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Overview[]

Season Episodes Season premiere Season finale
Pilot 1 July 11, 2007
1 26 April 5, 2010 September 27, 2010
2 26 October 11, 2010 May 9, 2011
3 26 July 11, 2011 February 13, 2012
4 26 April 2, 2012 October 22, 2012
5 52 September 2, 2013 August 14, 2014
6 43 April 21, 2014 June 5, 2015
7 26 November 2, 2015 March 19, 2016
8 27 March 26, 2016 February 2, 2017
9 14 April 21, 2017 July 21, 2017
10 16 September 17, 2017 September 3, 2018
Shorts 10 July 10, 2012 September 2, 2016
Special 1 July 20, 2018

Pilot (2007)[]

Title Directed by Written by Original air date
"Adventure Time" Larry Leichliter, Hugo Morales, & Pendleton Ward Pendleton Ward January 11, 2007
Pen (later renamed to Finn) and Jake have to rescue Princess Bubblegum from the Ice King.

Season 1[]

No.

overall

No. in

season

Title Directed by Written and storyboarded by Original air date Prod.

code [17]

U.S. viewers

(millions)

1 1 "Slumber Party Panic" Larry Leichliter Elizabeth Ito & Adam Muto April 5, 2010 692-009 2.50[38]
Finn (voiced by Jeremy Shada) and Princess Bubblegum (voiced by Hynden Walch) must protect the Candy Kingdom from a horde of candy zombies they accidentally created and deal with the consequences of breaking a "royal promise." In the end, the two are able to avert the zombie apocalypse.
2 2 "Trouble in Lumpy Space" Larry Leichliter Elizabeth Ito & Adam Muto April 5, 2010 692-015 2.50[38]
Finn must travel to Lumpy Space to find a cure for Jake (John DiMaggio), who contracted "The Lumps" from Lumpy Space Princess (voiced by Pendleton Ward) at Princess Bubblegum's marshmallow tea party. In Lumpy Space, Finn and Jake find the antidote, and the two are able to attend the "weekly Promcoming".
3 3 "Prisoners of Love" Larry Leichliter Adam Muto & Pendleton Ward April 12, 2010 692-005 1.85[61]
Having discovered that the Ice King (voiced by Tom Kenny) has captured a number of princesses he sees as potential brides, Finn and Jake team up with the prisoners to set everybody free.
4 4 "Tree Trunks" Larry Leichliter Sean Jimenez & Bert Youn April 12, 2010 692-016 1.85[61]
Tree Trunks (voiced by Polly Lou Livingston) joins Finn and Jake who go on a quest to fulfill her desire of picking a proposed legendary "crystal gem apple" in an evil forest. The three eventually find the tree, and Tree Trunks eats the apple, only to apparently explode and be transported to a crystal dimension.
5 5 "The Enchiridion!" Larry Leichliter Patrick McHale, Adam Muto & Pendleton Ward April 19, 2010 692-001 2.10[62]
Finn and Jake go on a quest for the titular magical book that would prove them worthy of being righteous heroes. After passing through a series of trials and tribulations, Finn acquires the legendary book.
6 6 "The Jiggler" Larry Leichliter Luther McLaurin & Armen Mirzaian April 19, 2010 692-011 2.10[62]
A strange creature attracted by Finn's auto-tuned singing voice follows the duo to their home and they keep him as a pet. Soon, however, the creature begins to show signs of sickness, and Finn and Jake realize the creature needs the love and attention of its mother. They then return it to its nest.
7 7 "Ricardio the Heart Guy" Larry Leichliter Sean Jimenez & Bert Youn April 26, 2010 692-007 1.91[63]
Finn believes that Princess Bubblegum's new friend, a literal heart named Ricardio (voiced by George Takei), is evil, and is proven right after learning that Ricardio is the heart of the Ice King. Ricardio reveals that he wants to "make out" with Bubblegum's heart, but he is defeated by Finn and Jake.
8 8 "Business Time" Larry Leichliter Luther McLaurin & Armen Mirzaian April 26, 2010 692-014 1.91[63]
Finn and Jake fall victim to their own laziness when they delegate their adventuring responsibilities to a group of businessmen they thawed from an iceberg. Eventually, the businessmen's efficiency causes them to become hazards to others, and they are refrozen into an iceberg.
9 9 "My Two Favorite People" Larry Leichliter Kent Osborne & Pendleton Ward May 3, 2010 692-004 1.65[64]
Jake feels overwhelmed at not having enough time for Finn and his girlfriend, Lady Rainicorn (voiced by Niki Yang), so he tries to get them to hang out more. Eventually, Finn and Lady Raincorn become closer than Jake is comfortable with, and he starts feeling jealous.
10 10 "Memories of Boom Boom Mountain" Larry Leichliter Sean Jimenez & Bert Youn May 3, 2010 692-010 1.65[64]
Finn, motivated by an upsetting experience when he was a baby, tries to reconfirm his desire for helping people out when confronted with one problem after another stemming from a violence-hating mountain.
11 11 "Wizard" Larry Leichliter Pete Browngardt, Adam Muto & Bert Youn May 10, 2010 692-020 1.82[65]
Finn and Jake are coaxed by a skeleton man to enroll in a course for free magic powers. After becoming full-fledged wizards, they realize they were tricked into helping stop an asteroid for all of eternity. Finn rejects the status quo and thinks of a different way to avert the crisis.
12 12 "Evicted!" Larry Leichliter Sean Jimenez & Bert Youn May 17, 2010 692-003 1.88[66]
Finn and Jake search the land of Ooo for a new home after a vampire queen named Marceline (voiced by Olivia Olson) claims the duo's treehouse as her own. Eventually, Marceline relents, because she thinks Finn and Jake are "cool".
13 13 "City of Thieves" Larry Leichliter Sean Jimenez & Bert Youn May 24, 2010 692-012 1.83[67]
When confronted by a Tree Witch over how uncorruptible he is, Finn enters the City of Thieves with Jake to confront a thief who is believed to have stolen a flower basket from a little girl named Penny. However, staying pure of heart within the city proves to be easier said than done.
14 14 "The Witch's Garden" Larry Leichliter Adam Muto, Kent Osborne & Niki Yang June 7, 2010 692-022 1.81[68]
Jake loses his enthusiasm for adventure when a witch strips him of his powers. After Finn is captured by a skeletal mermaid, Jake attempts to regain his powers; he realizes that he has to apologize to the witch in order to receive his powers, which he does.
15 15 "What Is Life?" Larry Leichliter Luther McLaurin & Armen Mirzaian June 14, 2010 692-017 1.64[69]
Finn builds a Never-Ending Pie-Throwing Robot (N.E.P.T.R., voiced by Andy Milonakis) to pull a prank on Jake, but the machine's conscience is conflicted by the will of the Ice King when he is attacked by a lightning bolt that contained the Ice King's private particles. Eventually, N.E.P.T.R. choose to side with Finn.
16 16 "Ocean of Fear" Larry Leichliter J.G. Quintel & Cole Sanchez June 21, 2010 692-025 2.00[70]
While Finn and Jake are playing by the sea, Finn realizes he is terrified of the ocean. The spectral Fear Feaster (voiced by Mark Hamill) taunts Finn about his fear, and Jake determines to help Finn overcome his fear of the ocean by traveling in it with a submarine.
17 17 "When Wedding Bells Thaw" Larry Leichliter Kent Osborne & Niki Yang June 28, 2010 692-013 1.92[71]
The Ice King suppresses his kidnapping urges to wed a suspicious bride (voiced by Kerri Kenney-Silver) and convinces Finn and Jake to throw him a "manlorette party". Eventually, Finn and Jake realize that the Ice King has placed a curse ring on his bride's finger, and the duo stop the wedding.
18 18 "Dungeon" Larry Leichliter Elizabeth Ito & Adam Muto July 12, 2010 692-023 2.48[72]
Finn's headstrong decision to explore a dungeon "in 11 minutes" in order to find the Crystal Eye causes a rift to form between Finn and Jake. Eventually, the duo reconcile their issues and discover the treasure, but are nearly killed, only to be saved by an irate Princess Bubblegum.
19 19 "The Duke" Larry Leichliter Elizabeth Ito & Adam Muto July 19, 2010 692-019 1.84[73]
Finn turns Princess Bubblegum green and bald, and faces a moral quandary—whether to confess his mistake and be hated by his friend forever, or let Princess Bubblegum wrongly accuse the Duke of Nuts, who has a pudding obsession, instead.
20 20 "Freak City" Larry Leichliter Tom Herpich & Pendleton Ward July 26, 2010 692-008 2.03[74]
After being transformed into a foot by Magic Man (voiced by Kenny), Finn goes to live with a band of misfits. The group realizes that by working together, they can overcome Magic Man. In the end, Magic Man returns Finn to his original form.
21 21 "Donny" Larry Leichliter Adam Muto, Kent Osborne & Niki Yang August 9, 2010 692-018 N/A
Finn and Jake help a grass ogre named Donny (voiced by Kevin Michael Richardson) turn his life around, without realizing the ecological damage they may be causing in the process. After the duo realizes that Donny's obnoxious personality is necessary for nature, they reverse their aid.
22 22 "Henchman" Larry Leichliter Luther McLaurin & Cole Sanchez August 23, 2010 692-021 2.17[75]
Finn takes his place as Marceline's new henchman. Marceline decides to prank Finn by telling him to do task that seem evil, but are actually benign. In the end, Marceline and Finn become friends after Finn saves her from a vampire-slaying Jake.
23 23 "Rainy Day Daydream" Larry Leichliter Pendleton Ward September 6, 2010 692-002 2.17[76]
Stuck indoors due to a raining knife storm, Finn discovers that Jake can make his imagination come to life, which starts to cause chaos. The two rush to turn off Jake's imagination, but Finn realizes he must turn his on to achieve their ends.
24 24 "What Have You Done?" Larry Leichliter Elizabeth Ito & Adam Muto September 13, 2010 692-027 1.89[40]
Without giving good details Princess Bubblegum tells Finn and Jake to capture the Ice King as their prisoner, but when they interrogate him they think that he is innocent. After realizing their grave mistake, Finn and Jake right the wrongs they have caused.
25 25 "His Hero" Larry Leichliter Adam Muto, Kent Osborne & Niki Yang September 20, 2010 692-026 1.83[77]
The great warrior Billy (voiced by Lou Ferrigno) inspires Finn and Jake to practice nonviolence, but the duo finds it difficult to resist old ways. Finn and Jake eventually confront Billy, and manage to successfully explain to him that violence is sometimes necessary.
26 26 "Gut Grinder" Larry Leichliter Ako Castuera & Bert Youn September 27, 2010 692-024 1.77[41]
Finn and Jake pursue a havoc-wreaking "Gut Grinder"—a creature that steals and eats others' gold. Jake begins to suspect he himself might be the culprit. Jake eventually battles and defeats the Gut Grinder, and Finn and Jake are able to return all of the stolen gold.

Season 2[]

No.

overall

No. in

season

Title Directed by Written and storyboarded by Original air date Prod.

code [5]

U.S. viewers

(millions)

27 1 "It Came from the Nightosphere" Larry Leichliter Adam Muto & Rebecca Sugar October 11, 2010 1002-029 2.00[29]
After Marceline (voiced by Olivia Olson) sings a song about the relationship between her and her estranged father, Finn (voiced by Jeremy Shada) releases Marceline's dad (voiced by Martin Olson) from the Nightosphere so that father and daughter can reconnect. However, Finn is forced to stop him from stealing all the souls in Ooo.
28 2 "The Eyes" Larry Leichliter Kent Osborne & Somvilay Xayaphone October 18, 2010 1002-031 2.26[56]
Finn and Jake are kept awake by an unsettling horse that does nothing but stare at them with its big eyes. Eventually, after a night of attempting to get the horse to leave them alone, the two discover that it is actually the Ice King (voiced by Tom Kenny) in disguise; he is trying to learn the secret to being happy like Finn and Jake.
29 3 "Loyalty to the King" Larry Leichliter Kent Osborne & Somvilay Xayaphone October 25, 2010 1002-027 2.54[33]
The Ice King shaves his beard after a princess "breaks up" with him, but when his new look proves to attract other princesses, he capitalizes on the unexpected opportunity by styling himself the "Nice King". At first, Finn and Jake are fooled, but eventually, they discover the truth and try to unravel the Ice King's plans.
30 4 "Blood Under the Skin" Larry Leichliter Benton Connor & Cole Sanchez November 1, 2010 1002-028 1.95[57]
After receiving a splinter on his finger and is harassed by Sir Slicer (Peter Stormare), Finn seeks the Magical Armor of Zelderon for protection, but cannot take the embarrassment. Eventually, Finn realizes that embarrassment is just part of life, and he challenges Sir Slicer to a duel.
31 5 "Storytelling" Larry Leichliter Ako Castuera & Tom Herpich November 8, 2010 1002-030 2.15[58]
While sick and stuck in bed, Jake wants Finn to tell him a story to make him feel better. He sets out into the woods, but his attempts to find a good story anger the local population. Eventually, he is scheduled to be sacrificed by the forest creatures, until he uses his oratory prowess to convince them not to hurt him.
32 6 "Slow Love" Larry Leichliter Benton Connor & Cole Sanchez November 15, 2010 1002-032 2.09[59]
Finn and Jake try to woo a group of lady snails in order to save their house from a giant snail named Snorlock (voiced by Biz Markie), who was using it as a shell. Finn and Jake soon discover that Snorlock is not actually a snail, but rather a slug, which is why he was unable to engage with any snails.
33 7 "Power Animal" Larry Leichliter Adam Muto & Rebecca Sugar November 22, 2010 1002-033 2.23[60]
Jake must stay focused in order to rescue Finn, who has been kidnapped by an evil gnome (voiced by Paul Reubens) bent on turning Ooo literally upside down. After several distracts, Jake eventually comes to Finn's rescue.
34 8 "Crystals Have Power" Larry Leichliter Jesse Moynihan & Cole Sanchez November 29, 2010 1002-036 2.00[61]
Finn and Jake visit a crystal dimension where giant crystal creatures begin to turn Finn into a crystal being. It is revealed that the domain is ruled by Tree Trunks, who disappeared in the eponymous first season episode. She has become the crazed ruler of the crystal dimension, but Finn and Jake save her.
35 9 "The Other Tarts" Larry Leichliter Ako Castuera & Tom Herpich January 3, 2011 1002-038 N/A
Finn and Jake volunteer to help Princess Bubblegum (voiced by Hynden Walch) with a dangerous assignment: toting rare and delicious tarts for the Annual Royal Back Rubbing Ceremony. The two decided to take a dangerous path, figuring that no tart bandits would look for them there. After a trip full of mishaps, the tarts are successfully delivered.
36 10 "To Cut a Woman's Hair" Larry Leichliter Kent Osborne & Somvilay Xayaphone January 10, 2011 1002-035 1.89[62]
Finn must get a lock of hair from a princess to save Jake from the balding Tree Witch (voiced by Thurop Van Orman), but this task proves harder than expected. After Finn successfully gets some of Princess Bubblegum's hair, the witch refuses to let Jake go, because the hair is merely candy. Eventually, Finn sacrifices his long golden hair to save his friend.
37 11 "The Chamber of Frozen Blades" Larry Leichliter Adam Muto & Rebecca Sugar January 17, 2011 1002-037 N/A
Finn and Jake—obsessed with the notion of ninjas—await for the Ice King and Gunter to return to the kingdom, thinking that he is coming back with a stolen princess, and find the Ice King's secret sanctum. When the Ice King returns, the three have a ninja duel.
38 12 "Her Parents" Larry Leichliter Ako Castuera & Tom Herpich January 24, 2011 1002-034 2.18[63]
Jake's relationship with Lady Rainicorn is in danger when he promises to meet with her parents (voiced by Henry Rollinsand Laura Silverman), as both species had a long history of war with each other. Jake disguises himself as a Rainicorn, but eventually his cover is blown. Lady Rainicorn's parents are ecstatic, however, because they have an admiration for dogs.
39 13 "The Pods" Larry Leichliter Kent Osborne & Somvilay Xayaphone January 31, 2011 1002-039 1.94[64]
Finn and Jake are assigned to watch three magical beans; two of the beans are innocent, but one of them is evil. Finn and Jake plant the three beans and wait for the evil to grow. Eventually, one of the stalks produces evil piglets, and Finn and Jake defeat the beings using a novel method that involves ice cream.
40 14 "The Silent King" Larry Leichliter Jesse Moynihan & Cole Sanchez February 7, 2011 1002-040 N/A
Finn becomes the king of a goblin clan in order to prevent a conflict of violence, but their strange rules prove to be not of his liking. Finn decides to abdicate, but does it in secrecy, so that the goblins continue to think Finn is ruling them, when he is in fact not.
41 15 "The Real You" Larry Leichliter Adam Muto & Rebecca Sugar February 14, 2011 1002-041 1.83[65]
Finn has to give a speech at Princess Bubblegum's science barbecue and seeks a quick fix to make himself smarter. By placing the Glasses of Nerdicon on, Finn becomes extremely smart, but accidentally creates a black hole in order to impress the princess.
42 16 "Guardians of Sunshine" Larry Leichliter Ako Castuera & Tom Herpich February 21, 2011 1002-042 1.73[66]
Finn and Jake get sucked into one of BMO's games and they have to defeat all three of his bosses. The two accidentally are transported outside of the game when they tilt it, but three bosses follow them and try to destroy BMO.
43 17 "Death in Bloom" Larry Leichliter Jesse Moynihan & Cole Sanchez February 28, 2011 1002-044 1.98[67]
After killing Princess Bubblegum's plant when they were instructed to take care of it, Finn and Jake make a trip to the Land of the Dead in order to get its soul back. After Jake's memory is wiped and Finn loses a musical duel against Death (voiced by Miguel Ferrer), the two are nearly killed until a lucky coincidence causes Death to spare them.
44 18 "Susan Strong" Larry Leichliter Adam Muto & Rebecca Sugar March 7, 2011 1002-045 2.38[68]
Finn is excited to discover what appears to be a tribe of humans living underground near the Candy Kingdom, but gets more than he expected when he tries to teach one of them, the titular Susan Strong (voiced by Jackie Buscarino), about the surface world.
45 19 "Mystery Train" Larry Leichliter Kent Osborne & Somvilay Xayaphone March 14, 2011 1002-043 1.96[69]
Wanting to surprise Finn on his 13th birthday, Jake takes Finn on a train, where they get wrapped up in a murder mystery. In the end, Finn learns that the murders were all a hoax, perpetrated by Jake to make his birthday memorable and interesting.
46 20 "Go with Me" Larry Leichliter Ako Castuera & Tom Herpich March 28, 2011 1002-046 1.27[70]
Marceline and Jake give Finn advice so he can ask Princess Bubblegum to see a movie with him. Jake's advice is much more romantic, whereas Marceline's is more abrasive and rough. Eventually, Finn decides to go to the movies with Marceline, just as friends, but the two are disgusted by the overt displays of romance at the theater.
47 21 "Belly of the Beast" Larry Leichliter Kent Osborne & Somvilay Xayaphone April 4, 2011 1002-047 1.64[71]
In order to cure the stomach ache of a giant, Finn and Jake must break up a party happening in his belly caused by a clan of bears. The duo talk to the clan's leader Party Pat (voiced by Andy Samberg), and after awhile, are able to get everyone out before they are destroyed by lava.
48 22 "The Limit" Larry Leichliter Jesse Moynihan & Cole Sanchez April 11, 2011 1002-048 1.69[72]
Finn and Jake must risk it all to see their dreams come true at the center of a magic wish-granting maze. Jake, in order to make sure he and Finn do not get lost, stretches himself to his breaking point. Finn, however, is able to successfully retrieve the wish and right all the issues that were caused by the maze.
49 23 "Video Makers" Larry Leichliter Kent Osborne & Somvilay Xayaphone April 18, 2011 1002-051 1.73[73]
Finn and Jake are on an epic race to make a movie for their "Finn and Jake Movie Club", but end up arguing over the film's plot—whether it should be a romantic comedy (Jake's idea) or an action/adventure (Finn's idea). Eventually, BMO compiles the footage that shows Finn and Jake that fighting is not how friends should act.
50 24 "Mortal Folly" Larry Leichliter Adam Muto & Rebecca Sugar May 2, 2011 1002-049 1.92[74]
The first part of a two-part episode. Finn and Jake must go on a quest to find the Lich (voiced by Ron Perlman), while the Ice King pesters them for their blessing to marry Princess Bubblegum. The Ice King accidentally drops Bubblegum into the Lich's well of power.
51 25 "Mortal Recoil" Larry Leichliter Jesse Moynihan & Cole Sanchez May 2, 2011 1002-052 1.92[74]
The second part of a two-part episode. Princess Bubblegum is put into the hospital after accidentally being dropped into the Lich's well of power by the Ice King. But when the spirit of The Lich possesses Bubblegum, Finn and Jake team up with the Ice King to stop him. After Bubblegum is seriously wounded and there is not enough candy bio-mass to save her, she reverts to a 13-year-old.
52 26 "Heat Signature" Larry Leichliter Ako Castuera & Tom Herpich May 9, 2011 1002-050 1.98[34]
Marceline pranks Finn and Jake into thinking that they're vampires, but then her ghost friends start to take things too far and try to kill them. Although Marceline tries to save them, the ghosts decide to eat Finn and Jake's brains until all five are able to bond over the movie Heat Signature.

Season 3[]

No.

overall

No. in

season

Title Directed by Written and storyboarded by Original air date Prod.

code [57]

U.S. viewers

(millions)

53 1 "Conquest of Cuteness" Larry Leichliter Ako Castuera & Tom Herpich July 11, 2011 1008-053 2.69[29]
Finn (voiced by Jeremy Shada) and Jake (voiced by John DiMaggio) meet the "evil" Cute King (voiced by Jackie Buscarino) and the Cuties, who want to kill Finn and Jake. When they discover the Cuties have never won a fight, the two decide to fake their deaths in battle out of pity.
54 2 "Morituri Te Salutamus" Larry Leichliter Adam Muto & Rebecca Sugar July 18, 2011 1008-054 1.78[58]
Finn and Jake become trapped in an arena of gladiator ghosts. Finn gives in to bloodlust, and Jake becomes obsessed with keeping up the morale.
55 3 "Memory of a Memory" Larry Leichliter Ako Castuera & Tom Herpich July 25, 2011 1008-057 2.26[59]
When Marceline (voiced by Olivia Olson) accidentally traps herself in a sleep spell, Finn and Jake venture into her mind to save her. They soon learn that it was an elaborate trick by Marceline's ex-boyfriend Ash (voiced by Steve Agee) to win her back.
56 4 "Hitman" Larry Leichliter Jesse Moynihan & Bert Youn August 1, 2011 1008-055 2.27[60]
After being grounded by Finn and Jake, the Ice King (voiced by Tom Kenny) hires a hitman to go after them thinking that he's just going to punch them. When he sees the hitman actually trying to kill Finn and Jake, the Ice King plans to save them.
57 5 "Too Young" Larry Leichliter Tom Herpich & Jesse Moynihan August 8, 2011 1008-059 2.09[61]
When the Earl of Lemongrab (voiced by Justin Roiland) finds out that Princess Bubblegum (voiced by Isabella Acres as a young girl, and by Hynden Walch as an adult) has reverted back to being only 13 years old, he tries to usurp the Candy Kingdom throne. Finn tries to use pranks to coax him into leaving. Princess Bubblegum eventually makes herself 18 again so she can re-claim the throne.
58 6 "The Monster" Larry Leichliter Kent Osborne & Somvilay Xayaphone August 15, 2011 1008-056 2.24[62]
On a quest from her parents, Finn and Jake track Lumpy Space Princess (voiced by Pendleton Ward) to a village that is being terrorized by a monster. Finn and Jake learn that the monster is actually Lumpy Space Princess, who has run away from home.
59 7 "Still" Larry Leichliter Kent Osborne & Somvilay Xayaphone August 22, 2011 1008-060 2.29[63]
The Ice King paralyzes Finn and Jake with a potion and tries to bond with them. Meanwhile, Finn tries to summon an astral beast for help. In the end, the Ice King only manages to freeze himself.
60 8 "Wizard Battle" Larry Leichliter Ako Castuera & Jesse Moynihan August 29, 2011 1008-061 2.30[64]
The Ice King enters a wizard contest, in which the winning wizard receives a kiss from Princess Bubblegum. When Finn realizes the prize, he and Jake enter and help a wizard named Abracadaniel (voiced by Steve Little) in order to stop Ice King. The Princess does kiss Finn (for the final time to date), then slaps him for cheating.
61 9 "Fionna and Cake" Larry Leichliter Adam Muto & Rebecca Sugar September 5, 2011 1008-058 3.32[33]
The titular Fionna (voiced by Madeleine Martin) and Cake (voiced by Roz Ryan), a human girl and her cat, replace Finn and Jake as they battle the Ice Queen (voiced by Grey DeLisle) to save Prince Gumball (voiced by Neil Patrick Harris) and the Candy Kingdom. In the midst of the Ice Queen's latest plan, Fionna must also reconcile her feelings for Prince Gumball and also come to terms with who she is.
62 10 "What Was Missing" Larry Leichliter Adam Muto & Rebecca Sugar September 26, 2011 1008-062 2.19[65]
Finn (beatboxing), Jake (playing viola), Princess Bubblegum (playing Beemo as an 8-bit instrument) and Marceline (playing bass guitar) form a band in order to defeat the Door Lord and recover what the creature had stolen from them.
63 11 "Apple Thief" Larry Leichliter Tom Herpich & Bert Youn October 3, 2011 1008-067 2.00[66]
When Tree Trunks' apples are stolen, Finn and Jake dive into the slums of the Candy Kingdom to find the thief.
64 12 "The Creeps" Larry Leichliter Ako Castuera & Jesse Moynihan October 17, 2011 1008-070 2.03[67]
Finn, Jake, Princess Bubblegum, Lumpy Space Princess, Beemo (voiced by Niki Yang), and Cinnamon Bun (voiced by Dee Bradley Baker) are invited to a masquerade ball hosted by a mysterious "ghost" who begins murdering everyone. Terrified, Finn tries to find the killer.
65 13 "From Bad to Worse" Larry Leichliter Kent Osborne & Somvilay Xayaphone October 24, 2011 1008-064 2.22[68]
When Princess Bubblegum's zombie formula from "Slumber Party Panic" re-infects the Candy Kingdom due to Cinnamon Bun's carelessness, Finn, Jake, Lady Rainicorn, and Lumpy Space Princess must attempt to create a cure.
66 14 "Beautopia" Larry Leichliter Adam Muto & Rebecca Sugar November 7, 2011 1008-065 1.92[69]
Susan Strong (voiced by Jackie Buscarino) returns and needs help from Finn and Jake to protect her home from "Lub-Glubs", who are revealed to be demonically possessed pool toys.
67 15 "No One Can Hear You" Larry Leichliter Ako Castuera & Jesse Moynihan November 14, 2011 1008-066 2.48[70]
After a deer knocks Finn unconscious and breaks his legs, he wakes up six months later to find that the Candy Kingdom has been deserted and that Jake has gone insane from a hit to the head; Jake thinks that everyone is having a surprise birthday party for him. But when Finn hears candy people in the sewers and tries to investigate, Jake stops him because he thinks Finn is going to ruin the surprise.
68 16 "Jake vs. Me-Mow" Larry Leichliter Adam Muto & Rebecca Sugar November 21, 2011 1008-071 2.26[71]
A small cat and assassin named Me-Mow (voiced by Kyla Rae Kowalewski) blackmails Jake with poison into trying to kill Wildberry Princess (voiced by Maria Bamford) by hiding in his nose.
69 17 "Thank You" Larry Leichliter Tom Herpich November 23, 2011 1008-063 2.33[72]
When a Firewolf pup (voiced by Dee Bradley Baker) accidentally gets lost in the mountains and is found by the Snow Golem, they strike up a strange friendship as he tries to return it to its family before being melted by its fire-overrun home.
70 18 "The New Frontier" Larry Leichliter Tom Herpich & Bert Youn November 28, 2011 1008-072 2.39[73]
When Jake has a prophetic "croak dream" that illustrates his death after coming into contact with a mysterious Banana Man (voiced by "Weird Al" Yankovic), Finn tries to make sure that it does not come true. Everything, however, proceeds according to the dream, save for Jake dying.
71–72 19–20 "Holly Jolly Secrets" Larry Leichliter Kent Osborne & Somvilay Xayaphone December 5, 2011 1008-068 1008-069 2.51[74]
Finn and Jake stumble across the Ice King's video diary and look to uncover his secrets before the Ice King can discover them. Then Ice King tries to get the video diaries back. Finn and Jake soon discover, via the tapes, that the Ice King was formerly a human archaeologist who was cursed with his powers after he put his crown on his head.
73 21 "Marceline's Closet" Larry Leichliter Ako Castuera & Jesse Moynihan December 12, 2011 1008-073 2.50[75]
Finn and Jake hide from Marceline in her own closet after a game of "cloud hunt" goes awry. The two voyeuristically see everything that happens, but are soon discovered; Marceline, however, shows no ill will, revealing that she spies on the duo all the time.
74 22 "Paper Pete" Larry Leichliter Kent Osborne & Somvilay Xayaphone January 16, 2012 1008-075 N/A
While Jake reads up on Rainicorn history, Finn meets the Pagelings and their leader Paper Pete (voiced by Peter Browngardt). Finn soon helps defend the books of the library from the destructive Moldos.
75 23 "Another Way" Larry Leichliter Tom Herpich & Bert Youn January 23, 2012 1008-076 N/A
Finn is scared by clown nurses who want to heal his foot, so he seeks out the magical tears of a cyclops.
76 24 "Ghost Princess" Larry Leichliter Ako Castuera & Jesse Moynihan January 30, 2012 1008-077 N/A
Finn and Jake try their hand at being detectives in order to discover how Ghost Princess (voiced by Maria Bamford) died so that she can ascend into Ghost World. Ghost Princess eventually falls in love with another ghost named Clarence (voiced by Sam Marin), but it is revealed that during their mortal lives Ghost Princess was accidentally killed by Clarence, who in his grief then died from an over-consumption of cheese.
77 25 "Dad's Dungeon" Larry Leichliter Natasha Allegri, Adam Muto & Pendleton Ward February 6, 2012 1008-078 2.60[76]
Jake and Finn's deceased dad reveals, via a holographic projector, that he built a dungeon to toughen up Finn. Finn is saddened and offended by his dad's perceived meanness, but beats the challenges, realizing that his father was doing it for Finn's own good.
78 26 "Incendium" Larry Leichliter Adam Muto & Rebecca Sugar February 13, 2012 1008-074 N/A
Trying to help a brokenhearted Finn, Jake seeks the Flame King's (voiced by Keith David) consent for Finn to date his daughter, Flame Princess (voiced by Jessica DiCicco).

Season 4[]

No.

overall

No. in

season

Title Directed by Written and storyboarded by Original air date Prod.

code [6]

U.S. viewers

(millions)

79 1 "Hot to the Touch" Larry Leichliter Cole Sanchez & Rebecca Sugar April 2, 2012 1008-082 2.66[30]
Finn (voiced by Jeremy Shada) develops a crush on Flame Princess (voiced by Jessica DiCicco) and tries to get to know her, which proves difficult due to her destructive and uncontrollable power.
80 2 "Five Short Graybles" Larry Leichliter Tom Herpich, Skyler Page & Cole Sanchez April 9, 2012 1008-079 N/A
A series of short stories—concerning BMO (voiced by Niki Yang), Finn and Jake (voiced by John DiMaggio), Princess Bubblegum (voiced by Hynden Walch), the Ice King (voiced by Tom Kenny), and Lumpy Space Princess (voiced by Pendleton Ward)—all centered around a common theme of the five senses, hosted by a mysterious man named Cuber (Emo Philips) from the future.
81 3 "Web Weirdos" Larry Leichliter Ako Castuera & Jesse Moynihan April 16, 2012 1008-081 N/A
Finn must help a grumpy spider couple (voiced by Bobcat Goldthwait and Susie Essman) reconcile before he and Jake are eaten.
82 4 "Dream of Love" Larry Leichliter Somvilay Xayaphone & Bert Youn April 23, 2012 1008-080 N/A
Tree Trunks (voiced by Polly Lou Livingston) is courted by Pig (voiced by Ron Lynch), but their over-expressive love begins to make many people uncomfortable.
83 5 "Return to the Nightosphere" Larry Leichliter Ako Castuera & Jesse Moynihan April 30, 2012 1008-085 N/A
Finn and Jake awaken in the dreaded Nightosphere, and buried under a pile of bananas, with no recollection of how they arrived. They seek out the underworld's leader, Marceline's father (voiced by Martin Olson), who apparently is the one who imprisoned them in the first place.
84 6 "Daddy's Little Monster" Larry Leichliter Cole Sanchez & Rebecca Sugar April 30, 2012 1008-086 N/A
After discovering that her father tricked her into turning into an evil demon, Finn and Jake attempt to save Marceline. Jake learns a disturbing secret of the world's bananas (which turns out to be the demons' Feces).
85 7 "In Your Footsteps" Larry Leichliter Tom Herpich & Skyler Page May 7, 2012 1008-083 N/A
A bear befriends Finn. Jake, however, thinks he is trying to steal Finn's identity. At the end of the episode, Finn kindly gives the Enchridion, the Book of Heroes, to the bear, believing he wishes to learn how to be a hero himself; however, it is revealed that the bear is secretly working for the Lich, as he is shown giving the book to the Lich's possessed-snail form.
86 8 "Hug Wolf" Larry Leichliter Somvilay Xayaphone & Bert Youn May 14, 2012 1008-084 N/A
After an encounter with an Alpha Hug Wolf, Finn goes through a werewolf-like transformation, turning into a Beta Hug Wolf. It is up to Jake to break the curse and turn Finn back to normal.
87 9 "Princess Monster Wife" Larry Leichliter Somvilay Xayaphone & Bert Youn May 28, 2012 1008-088 N/A
When the princesses start losing body parts left and right, Finn and Jake investigate. They confront the Ice King, who shows them a princess he made out of the missing body parts. She is so horribly deformed that Finn and Jake cannot view her directly without fainting.
88 10 "Goliad" Larry Leichliter Tom Herpich & Skyler Page June 4, 2012 1008-087 N/A
Princess Bubblegum begins to fear for her mortality, and creates an eternal sphinx named Goliad (voiced by Graham Linehan's daughter) to be her successor. Things go awry, however, when the sphinx turns against Bubblegum.
89 11 "Beyond This Earthly Realm" Larry Leichliter Ako Castuera & Jesse Moynihan June 11, 2012 1008-089 N/A
When Finn finds and touches a porcelain lamb, it transports him into the spirit world and only the Ice King can help get him out.
90 12 "Gotcha!" Larry Leichliter Cole Sanchez & Rebecca Sugar June 18, 2012 1008-090 2.39[58]
In order to do research for her tell-all memoir about men, Lumpy Space Princess goes undercover working for Finn and Jake. She eventually learns that Finn is selfless, which makes him "hot on the inside".
91 13 "Princess Cookie" Larry Leichliter Tom Herpich & Skyler Page June 25, 2012 1008-091 N/A
Finn and Jake are sent in to rescue the hostages from a rogue cookie Baby-Snaps (voiced by Donald Faison). Things get complicated when Jake begins to sympathize with him; he learns that Baby-Snaps only wants to be a princess, like Bubblegum.
92 14 "Card Wars" Larry Leichliter Somvilay Xayaphone & Bert Youn July 16, 2012 1008-092 N/A
Finn and Jake play Card Wars, a tabletop game, in which Jake becomes overly competitive.
93 15 "Sons of Mars" Larry Leichliter Ako Castuera & Jesse Moynihan July 23, 2012 1008-093 N/A
When the Martian deity Grob Gob Glob Grod (voiced by Tom Gammill, Miguel Ferrer, Melissa Villasenor, and Kenny) comes to arrest Magic Man (voiced by Kenny) for his crimes, he uses his magic to disguise himself as Jake to escape his trial while having the real Jake take his place.
94 16 "Burning Low" Larry Leichliter Cole Sanchez & Rebecca Sugar July 30, 2012 1008-094 3.50[33]
Finn and Jake become convinced that Princess Bubblegum is jealous now that Finn is hanging out with Flame Princess. In reality, Bubblegum is worried that Flame Princess will be unable to withstand romance without burning a hole in the Earth's crust.
95 17 "BMO Noire" Larry Leichliter Tom Herpich & Skyler Page August 6, 2012 1008-095 N/A
BMO goes on the hunt for Finn's missing sock.
96 18 "King Worm" Larry Leichliter Steve Wolfhard, Somvilay Xayaphone & Bert Youn August 13, 2012 1008-096 N/A
Finn and Jake find themselves trapped in their own subconscious by the King Worm (voiced by Erik Estrada).
97 19 "Lady & Peebles" Larry Leichliter Cole Sanchez & Rebecca Sugar August 20, 2012 1008-098 2.75[59]
Princess Bubblegum and Lady Rainicorn (voiced by Yang) go searching for Finn and Jake, who have been missing for three weeks after fighting with the Ice King. It is revealed that Ricardio (voiced by George Takei), the Ice King's living heart, has trapped them and wishes to marry Bubblegum.
98 20 "You Made Me" Larry Leichliter Tom Herpich & Jesse Moynihan August 27, 2012 1008-099 N/A
When Lemongrab (voiced by Justin Roiland) upsets the Candy Kingdom and demands citizens for his isolated castle, Princess Bubblegum sends the Pup Gang. However, Lemongrab is not satisfied with these rude citizens. Bubblegum eventually makes him a twin to rule with.
99 21 "Who Would Win" Larry Leichliter Ako Castuera & Jesse Moynihan September 3, 2012 1008-097 N/A
Finn and Jake challenge a monster named "The Farm" to fight but end up battling each other.
100 22 "Ignition Point" Larry Leichliter Somvilay Xayaphone & Bert Youn September 17, 2012 1008-101 2.26[60]
Finn and Jake sneak into the Fire Kingdom on a quest for the Flame Princess. Once there, they discover a plot to assassinate the Flame King (voiced by Keith David), and try to thwart it.
101 23 "The Hard Easy" Larry Leichliter Tom Herpich & Skyler Page October 1, 2012 1008-100 2.64[35]
A group of River Scamps ask Finn and Jake to protect them from the Mega Frog, their predator.
102 24 "Reign of Gunters" Larry Leichliter Ako Castuera & Jesse Moynihan October 8, 2012 1008-102 1.85[61]
After stealing a demonic wishing eye, Gunter creates clones of himself which cause chaos when he tries to take over the Candy Kingdom.
103 25 "I Remember You" Larry Leichliter Cole Sanchez & Rebecca Sugar October 15, 2012 1008-103 2.54[62]
Ice King and Marceline create a song, and Marceline tries to get the Ice King to remember who he really is. This episode reveals that Marceline and the Ice King knew each other during the atomic war that occurred a thousand years previous, but the Ice King had to leave Marceline because he was going crazy because of the crown.
104 26 "The Lich" Larry Leichliter Tom Herpich & Skyler Page October 22, 2012 1008-104 2.59[36]
Finn has an ominous dream about the Lich (voiced by Ron Perlman), and sets off with Jake to warn Billy (voiced by Lou Ferrigno).

Season 5[]

No.

overall

No. in

season

Title Directed by [nb 2] Written and storyboarded by Original air date Prod.

code [121]

U.S. viewers

(millions)

105 1 "Finn the Human" Larry Leichliter

Nate Cash

Tom Herpich & Jesse Moynihan November 12, 2012 1014-105 3.44[87]
Finn (voiced by Jeremy Shada) and Jake (voiced by John DiMaggio) chase The Lich (voiced by Ron Perlman) through a dimensional portal where they meet Prismo (voiced by Kumail Nanjiani), a wish granter, who tells them that the Lich wished for the extinction of all life. This leads Finn to wish that the Lich "never even ever existed". Finn is then warped to an alternate timeline, where he is a normal human living with his family and his dog Jake on a farm.
106 2 "Jake the Dog" Larry Leichliter

Adam Muto

Cole Sanchez & Rebecca Sugar November 12, 2012 1014-106 3.44[87]
While Finn's alternative timeline goes astray, Prismo tells Jake that if he can make the correct wish, everything will go back to normal. Jake—with help from Prismo—eventually wishes that the Lich had actually desired for Finn and Jake to return home. Thus, the world is righted again.
107 3 "Five More Short Graybles" Larry Leichliter Tom Herpich & Steve Wolfhard November 19, 2012 1014-107 2.60[122]
A series of short stories—centered around Finn and Jake, Marceline (voiced by Olivia Olson), Tree Trunks (voiced by Polly Lou Livingston), the Ice King (voiced by Tom Kenny), and BMO (voiced by Niki Yang)—with a common theme revolving around the five tastes, hosted by a mysterious man named Cuber (voiced by Emo Philips) from the future.
108 4 "Up a Tree" Larry Leichliter Skyler Page & Somvilay Xayaphone November 26, 2012 1014-108 2.38[123]
Finn and Jake's game of catch goes awry when their frisbee gets stuck in a large tree. Finn decides to fetch it without Jake's help, but he inadvertently gets captured by the residents of the tree, who repeatedly utter the mantra, "In the tree, part of the tree." Finn teams up with a squirrel who is berated for believing he is a flying squirrel (voiced by Marc Maron) and the two successfully escape.
109 5 "All the Little People" Larry Leichliter Ako Castuera & Jesse Moynihan December 3, 2012 1014-109 2.53[124]
Finn and Jake find a bag full of miniature versions of their friends given to them by Magic Man (voiced by Kenny). Finn plays with them but begins to toy with their relationships. Later, the two discover that the small people are actually from an alternate reality and everything that they had done to them was real. However they are unable to communicate with them and the alternate versions blame everything on the small Finn instead of the real one.
110 6 "Jake the Dad" Larry Leichliter Tom Herpich & Steve Wolfhard January 7, 2013 1014-111 3.19[90]
After Lady Rainicorn (voiced by Yang) gives birth to five puppies, Jake—wanting to be a good father—becomes an overprotective parent. Eventually, he realizes that the puppies are not completely helpless and that he should stop babying them.
111 7 "Davey" Larry Leichliter Skyler Page & Somvilay Xayaphone[nb 3] January 14, 2013 1014-112 2.31[125]
Finn, after realizing that he is being hindered by folks stopping to thank him for being a hero, decides to create an alter ego. He shaves part of his hair, makes a fake mustache, and takes the moniker Davey (voiced by Davey Johnson). However, Davey soon begins to take over Finn's mind, and Jake is forced into action to get his old friend back.
112 8 "Mystery Dungeon" Larry Leichliter

Nate Cash

Ako Castuera & Jesse Moynihan January 21, 2013 1014-113 2.71[126]
Ice King, N.E.P.T.R. (voiced by Andy Milonakis), Tree Trunks, Shelby (voiced by Pendleton Ward) and Lemongrab (voiced by Justin Roiland) find themselves mysteriously trapped in a dungeon and must band together to get out. Eventually, the Ice King reveals that he kidnapped them so that he could use their individual talents to pass successfully through the maze and meet the Ancient Sleeping Magi of Life Giving so that his fan fiction, Fionna and Cake may become reality.
113 9 "All Your Fault" Larry Leichliter Tom Herpich & Steve Wolfhard January 28, 2013 1014-115 2.71[127]
Princess Bubblegum (voiced by Hynden Walch) sends Finn and Jake on a mission to the Earls of Lemongrab (voiced by Roiland) in order to investigate a distress message. It is revealed that the Earls have depleted their candy stores by bringing their food to life. After Finn and Jake halt their advancing army from taking over the Candy Kingdom for food, Bubblegum erases the secret to candy life from the minds of the two Lemongrabs.
114 10 "Little Dude" Adam Muto Michael DeForge & Cole Sanchez February 4, 2013 1014-114 2.60[128]
Finn's hat comes to life after it is touched by a wizard (voiced by Dana Snyder) who can bring inanimate objects to life. Unfortunately, the hat wants to be placed on someone's head so that it can take them over and fill them with evil. Finn, Jake, and the wizard track the hat down, and manage to turn the hat good.
115 11 "Bad Little Boy" Larry Leichliter Cole Sanchez & Rebecca Sugar February 18, 2013 1014-110 3.08[91]
In this episode, the princesses are tired of Ice King's crazy Fionna and Cake fan fiction stories, so Marceline stops by the Ice Kingdom to show him how to properly write a story. Marceline's story revolves around her male counter-part, Marshall Lee (voiced by Donald Glover), who tries to flirt with Fionna (voiced by Madeleine Martin).
116 12 "Vault of Bones" Adam Muto Kent Osborne & Somvilay Xayaphone February 25, 2013 1014-116 2.70[129]
Flame Princess (voiced by Jessica DiCicco) begins to doubt whether or not she is in fact evil. Finn is insistent that she is not evil and takes her on a journey into a dungeon to help her sort out her thoughts. Flame Princess eventually proves to be a lover of destruction, but assures Finn that she only destroys bad guys.
117 13 "The Great Bird Man" Nate Cash Ako Castuera & Jesse Moynihan March 4, 2013 1014-117 2.58[130]
Finn and Jake get lost in the badlands, and are saved by Xergiok (voiced by Johnson), the former goblin king who was deposed by Finn and Jake in the second season episode "The Silent King". He claims to have turned over a new leaf after he lost his sight. However, once it is returned, he threatens to take over the goblin kingdom once again. Eventually, he realizes the errors of his ways and removes his eyes again.
118 14 "Simon & Marcy" Adam Muto Cole Sanchez & Rebecca Sugar March 25, 2013 1014-118 2.60[131]
Marceline decides to tell Finn and Jake about her and the Ice King's adventures 996 years ago following the "Mushroom War". In her story, Marceline and Simon—the name of the Ice King before he was corrupted by his crown—traverse a ruined city to find chicken soup to cure a cold that Marceline has. Along the way, they are attacked by mutated creatures, forcing Simon to wear the ice crown and slowly lose his mind.
119 15 "A Glitch Is a Glitch" David OReilly David OReilly April 1, 2013 1014-120 2.00[132]
The Ice King decides to create a computer virus that will delete everyone in Ooo except for him and Princess Bubblegum. Finn and Jake hack into the universal source code and attempt to destroy the virus before they themselves are deleted.
120 16 "Puhoy" Nate Cash Tom Herpich & Steve Wolfhard April 8, 2013 1014-119 2.75[133]
Finn begins second-guessing his relationship with Flame Princess, so he builds a giant pillow fort. While navigating it, Finn seemingly falls asleep and dreams that he ends up in a pillow world where he marries a pillow woman named Roselinen (Mandy Siegfriend) and has two children with her. Finn eventually wakes up in the real world, and he receives a call from Flame Princess, reaffirming their relationship.
121 17 "BMO Lost" Nate Cash Tom Herpich & Steve Wolfhard April 15, 2013 1014-123 2.39[134]
BMO is kidnapped by an eagle and then is forced to find a way home. On its way, BMO meets Bubble (voiced by Levar Burton) and a baby, and the three decide to journey home together. BMO and Bubble grow attached to the child until the baby's mother finds and takes her child, devastating BMO. The remaining two make their way back home and profess their love for each other, until Jake pops Bubble. BMO's sadness is short-lived, however, as Bubble is revealed to actually be Air, and will now be with BMO forever.
122 18 "Princess Potluck" Adam Muto Kent Osborne & Cole Sanchez April 22, 2013 1014-122 2.27[135]
Ice King does not get an invitation to the princess' potluck, so he tries to ruin the party in a myriad of ways, such as sending Gunter—disguised as a princess—to throw fruit punch on everyone, and throwing another party to rival the princess'. Eventually, he attacks the party, but learns that the princesses did invite him via mail, but that he never bothered to read it.
123 19 "James Baxter the Horse" Adam Muto Pendleton Ward & Somvilay Xayaphone May 6, 2013 1014-124 2.21[136]
Finn and Jake stumble across a horse named James Baxter (voiced by James Baxter) who has the ability to make sad people feel better. Eventually, the two anger the spirit of a deceased creature at a funeral and are nearly killed by it. However, James Baxter arrives at the last moment and cheers the spirit up.
124 20 "Shh!" Elizabeth Ito Graham Falk May 13, 2013 1014-129 2.35[137]
Finn and Jake make a bet to see who can not talk the longest, and the two use signs to communicate. However, BMO thinks that the two are possessed by a malevolent force and hides in the walls of Finn and Jake's tree house.
125 21 "The Suitor" Nate Cash Jesse Moynihan & Thomas Wellmann May 20, 2013 1014-130 2.41[138]
Peppermint Butler (voiced by Steve Little) thinks that Princess Bubblegum is working too hard in her lab, so he tries to get her a suitor named Braco (voiced by Johnny Pemberton). Braco ends up bothering Princess Bubblegum so much that she creates him a cyborg-clone of herself to give to him. In the meantime, Peppermint Butler strikes a deal with a demon (voiced by James Adomian) that makes Braco the object of everyone's desire, but physically deformed.
126 22 "The Party's Over, Isla de Señorita" Elizabeth Ito Kent Osborne & Cole Sanchez May 27, 2013 1014-131 2.11[139]
After another one of his schemes fails to woo Princess Bubblegum, Ice King decides to give up. He takes a boat into the ocean, but shipwrecks onto a mysterious island that turns out to be a sentient female (voiced by Riki Lindhome). The island is in a relationship with the Party God (voiced by Sanchez), and Ice King convinces her to break up with him because he treats her poorly. However, the Party God discovers what Ice King has done, and the two engage in a fight. Inspired by this ordeal, Ice King decides to "break up" with Princess Bubblegum.
127 23 "One Last Job" Nate Cash Ako Castuera & Jesse Moynihan June 10, 2013 1014-121 2.38[140]
Jake Jr. gets involved with a group of troublemakers, and Jake is forced to reunite his old criminal gang—which includes Tiffany (voiced by Collin Dean), Gareth (voiced by Sam Marin), and the Flying Lettuce Brothers—to rescue his daughter. The group is tasked with stealing the "Baker's Shard", the purest form of sugar known. Jake successfully completes the raid, but it is revealed that Jake Jr. set up the entire thing to impress her father.
128 24 "Another Five More Short Graybles" Nate Cash Tom Herpich & Steve Wolfhard June 17, 2013 1014-132 2.27[141]
A series of short stories—centered around Finn, Jake, and Jake Jr; Cinnamon Bun (voiced by Dee Bradley Baker); the Ice King; the Earls of Lemongrab; and Mr. Fox (voiced by Tom Herpich)—hosted by a mysterious man named Cuber from the future (voiced by Emo Philips).
129 25 "Candy Streets" Elizabeth Ito Luke Pearson & Somvilay Xayaphone June 24, 2013 1014-133 2.09[142]
Lumpy Space Princess (voiced by Ward) is robbed, but before she is able to explain the details to Finn and Jake, she faints. Finn and Jake decide to play cops and apprehend a suspect that they think is guilty. In the end, however, it is revealed that a pizza delivery boy idiomatically "stole" Lumpy Space Princess's heart, and that no actual theft took place.
130 26 "Wizards Only, Fools" Nate Cash Jesse Moynihan & Thomas Wellmann July 1, 2013 1014-134 2.50[143]
After Starchy (voiced by Kenny) comes down with a cold and needs a magic cure, Finn, Jake, and Princess Bubblegum disguise themselves as wizards and sneak into Wizard City. However, Bubblegum keeps insisting to everyone that magic is just a fancy way of explaining science. The three, along with Abracadaniel (voiced by Little) are eventually arrested for impersonating wizards, but manage to break out of prison with the help of a "cold" spell that literally produces cold weather.
131 27 "Jake Suit" Elizabeth Ito Kent Osborne & Cole Sanchez July 15, 2013 1014-135 2.46[144]
Jake gets upset with the manner in which Finn uses his body as a suit of armor, so he bets Finn that he could not withstand being used as a suit of armor by Jake. Jake forces him to do various things, such as dance in his underwear in front of Flame Princess's extended family or almost jump into a volcano, before he realizes that Finn is indeed good at withstanding the hurdles that Jake throws at him.
132 28 "Be More" Nate Cash Tom Herpich & Steve Wolfhard July 22, 2013 1014-136 2.67[145]
After BMO accidentally deletes a core system driver, Finn and Jake disguise themselves as MOs in order to infiltrate the MO factory and fix BMO. However, the three are pursued by security guard SMOs (voiced by Paul F. Tompkins); Finn, Jake, and BMO eventually run into Moseph "Moe" Giovanni (voiced by Chuck McCann), the ancient and benevolent human-cyborg creator of the MOs, who explains BMO's backstory.
133 29 "Sky Witch" Nate Cash Ako Castuera & Jesse Moynihan July 29, 2013 1014-138 2.08[146]
Marceline enlists Princess Bubblegum's help in order to track Maja the Sky Witch; it is revealed that Marceline's ex-boyfriend Ash sold Marceline's beloved stuffed animal Hambo to Maja. Only when Bubblegum trades her prized rock shirt—which was given to her by Marceline—is Hambo able to be reunited with Marceline.
134 30 "Frost & Fire" Elizabeth Ito Luke Pearson & Somvilay Xayaphone August 5, 2013 1014-137 3.01[92]
Finn has an interesting dream which involves Flame Princess and Ice King fighting each other, but he wakes up before he can finish it. He then decides to stage a fight between the two in real life to see if he can finish the dream. However, during the fight, Flame Princess destroys the Ice Kingdom and discovers that Finn set up the fight. Saddened that she was betrayed by her boyfriend, she needs some time alone.
135 31 "Too Old" Nate Cash Tom Herpich & Steve Wolfhard August 12, 2013 1014-140 2.38[147]
Finn and Princess Bubblegum travel to the Earldom of Lemongrab for a diplomatic dinner. Finn, in the meantime, tries to woo Bubblegum after his "break-up" with Flame Princess. The two learn that the original Lemongrab is now a tyrant. However, a young lemon child named Lemonhope is discovered, and Bubblegum and Finn are able to successfully take him back to the Candy Kingdom; at the same time, Finn realizes that Bubblegum is indeed too old for him.
136 32 "Earth & Water" Elizabeth Ito Seo Kim & Somvilay Xayaphone September 2, 2013 1014-141 1.86[148]
Princess Bubblegum tests Flame Princess to understand why her emotions can become volatile. However, Bubblegum leaves Flame Princess in the care of Cinnamon Bun, who frees her and tells her the story of how she was locked up by her father. Flame Princess eventually overthrows her evil father, the Flame King, and installs a government based on honesty. She forgives Finn, but the two only remain friends.
137 33 "Time Sandwich" Elizabeth Ito Kent Osborne & Cole Sanchez September 9, 2013 1014-139 1.98[149]
Magic Man steals Jake's sandwich and seals himself in a molasses bubble that slows time down. Finn and Jake then call on BMO, Princess Bubblegum, and Marceline in order to get the sandwich back. Eventually, Jake realizes the key to getting into the bubble is to be sad. He musters up all the sadness he can handle and achieves his goal of punching Magic Man, who falls to the ground, breaking the bubble.
138 34 "The Vault" Nate Cash Ako Castuera & Jesse Moynihan September 16, 2013 1014-142 2.26[150]
Finn begins having nightmares about the Green Lady, an apparition that he saw during the events of the season threeepisode "The Creeps". Undergoing regression analysis, Finn soon learns that the ghost is connected to a girl named Shoko (voiced by Isabelle Fuhrman), who was one of his past lives. Shoko stole an amulet from Princess Bubblegum during the beginnings of the Candy Kingdom. Upon learning this knowledge, Finn is able to right the wrong that was done in his past life.
139 35 "Love Games" Elizabeth Ito Kent Osborne, Andy Ristaino& Cole Sanchez September 23, 2013 N/A 2.02[151]
Slime Princess (voiced by Maria Bamford) is in need of a husband, lest she will lose her kingdom to her sister Blargatha (voiced by Katie Crown). Finn decides to help her out, but is forced to participate and win various "Love Games" to prove to Elder Plops (voiced by John Hodgman) that they are in love. In the end, it is revealed that Blargatha faked having a husband in the first place; Slime Princess, therefore, retains the crown.
140 36 "Dungeon Train" Nate Cash Tom Herpich & Steve Wolfhard September 30, 2013 1014-144 2.04[152]
Finn and Jake discover a train in which each car contains a new villain to fight. Jake soon gets bored with the train; Finn, on the other hand does not wish to leave. Eventually, after realizing that his love for the train will lead to a rift between him and Jake, Finn decides to leave on his own terms.
141 37 "Box Prince" Elizabeth Ito Seo Kim & Somvilay Xayaphone October 7, 2013 1014-145 1.99[153]
Finn meets the Box Prince—a cat with a box on its back—and learns that the Box Kingdom has been taken over by an imposter. Finn must therefore help the real Box Prince reclaim the throne. Meanwhile, BMO and Jake try to extract a piece of a tortilla chip that has lodged itself between two of Jake's teeth.
142 38 "Red Starved" Nate Cash Ako Castuera & Jesse Moynihan October 14, 2013 N/A 1.77[154]
Finn, Jake, and Marceline get trapped in a cave. After Jake eats all of Marceline's red snacks, she begins to go "feral" and threatens to eat Jake's blood. Finn sets out to find something red to quench Marceline's hunger, but fails. In the nick of time, Princess Bubblegum arrives, and Marceline is able to satiate herself on part of Bubblegum's pink flesh.
143 39 "We Fixed a Truck" Elizabeth Ito Andy Ristaino & Cole Sanchez October 21, 2013 N/A 2.02[155]
Finn, Jake and BMO decide to fix up a truck with the help of Banana Man (voiced by "Weird Al" Yankovic). BMO later stays up all night fixing it, only to hear a radio program claiming that Princess Bubblegum is a mutant reptile. Later on, the four take the newly fixed truck into the Candy Kingdom and learn that Bubblegum was actually replaced by a mutant. With the help of the truck, they save the real Bubblegum and destroy the creature.
144 40 "Play Date" Elizabeth Ito Seo Kim, Kent Osborne & Somvilay Xayaphone November 4, 2013 1014-149 1.92[156]
Finn and Jake are tired of Ice King living with them, so they invite Abracadaniel over for a "play date" with Ice King. Abracadaniel and Ice King soon get into trouble, however, when they summon the demon Kee-Oth (voiced by Noah Nelson), who kidnaps Jake.
145 41 "The Pit" Nate Cash Ako Castuera & Jesse Moynihan November 18, 2013 N/A 2.27[157]
Kee-Oth the Blood Demon kidnaps Jake and takes him to his demonic dimension and imprisons him in a pit. Finn and Lady Rainicorn team up to save him. While in the pit, Jake meets a humanoid-dog woman named Samantha (voiced by Marina Sirtis). Eventually, Finn and Lady arrive and defeat Kee-Oth and save Jake.
146 42 "James" Elizabeth Ito Andy Ristaino & Cole Sanchez November 25, 2013 1014-151 2.61[158]
Finn and Jake accompany Princess Bubblegum on her study of the Desert of Wonders. However, they are soon attacked by goo monsters, and Finn and Jake think that Bubblegum's candy helper James (voiced by Andy Merrill) is hindering their rescue. It is revealed that Bubblegum has been sabotaging Finn's plans because they won't work. James then sacrifices himself for the greater good.
147 43 "Root Beer Guy" Adam Muto Graham Falk December 2, 2013 1014-153 1.84[159]
Root Beer Guy (voiced by Jack Pendarvis) witnesses Finn and Jake abduct Princess Bubblegum, but no one believes him. He eventually decides to take matters into his own hands. In the end, it is revealed that Bubblegum set up the entire situation to test her police force: the banana guards. Because he solved the case, Root Beer Guy is promoted to head of the banana guards.
148 44 "Apple Wedding" Nate Cash Tom Herpich & Steve Wolfhard January 13, 2014 1014-148 1.86[160]
Tree Trunks and Mr. Pig (voiced by Ron Lynch) arrange for the King of Ooo (voiced by Andy Daly) to marry them. Princess Bubblegum tries to prove that he is a fraud, and when she is unable to find evidence convicting him, she throws everyone—including Tree Trunks and Mr. Pig—in prison. After Tree Trunks performs her own marriage ceremony, Bubblegum relents.
149 45 "Blade of Grass" Elizabeth Ito Seo Kim & Somvilay Xayaphone January 20, 2014 1014-154 2.61[161]
Finn and Jake decide that it is time for Finn to replace his broken demon blood sword. Finn purchases a sword made of grass from an ominous grass wizard (voiced by Jeff Bennett), but the two soon realize that the new sword is cursed. Finn initially decides to confront the wizard, but after learning to control the weapon, is contented.
150 46 "Rattleballs" Elizabeth Ito Andy Ristaino & Cole Sanchez January 27, 2014 1014-156 2.21[162]
Finn meets an old sword-fighting robot named Rattleballs (voiced by Rainn Wilson), and learns that Rattleballs was part of an elite force made by Bubblegum long ago to protect the Candy Kingdom; however, the group became too destructive and so they were all destroyed, save for Rattleballs. After a short skirmish, Rattleballs proves that he is not a threat, so Bubblegum relents and does not destroy him.
151 47 "The Red Throne" Elizabeth Ito Seo Kim & Somvilay Xayaphone February 10, 2014 1014-158 2.11[163]
The Flame King, along with the help of Don John (voiced by Roddy Piper), escapes from his prison and reclaims the throne, forcing Flame Princess to turn to Finn for help. Finn hopes to rekindle his relationship with Flame Princess. Eventually, Cinnamon Bun, Finn, and Flame Princess are able to quell the revolt, and Cinnamon Bun professes his love to Flame Princess, much to Finn's unhappiness.
152 48 "Betty" Nate Cash

Adam Muto

Ako Castuera & Jesse Moynihan February 24, 2014 1014-155 1.71[164]
The Ice King reverts to Simon after being exposed to an anti-magic being named Bella Noche, and gets help from Finn, Jake, and Marceline in order to get Betty (voiced by Lena Dunham), his former fiancée, back. Once he succeeds in bringing her back, however, he begins to die, forcing Betty herself to defeat Bella Noche.
153 49 "Bad Timing" Adam Muto Kent Osborne & Pendleton Ward March 3, 2014 1014-160 1.45[165]
Lumpy Space Princess reconnects with a former classmate named Johnnie (voiced by Mark Proksch) and the two begin a relationship. After Lumpy Space Princess begins to think Johnnie is being wooed by Princess Bubblegum, she uses a time manipulation device invented by Bubblegum to send Johnnie back to before he met her for a "second chance". Unfortunately, Lumpy Space Princess traps Johnnie in a different dimension.
154–155 50–51 "Lemonhope" Nate Cash Tom Herpich & Steve Wolfhard March 10, 2014 1014-152

1014-157

1.97[166]
Lemonhope (voiced by Justin Roiland) grows unhappy with Princess Bubblegum's constant reminders of his responsibility to help the lemon people, haunted by recurring nightmares that pressure him even more. Finally having enough, Lemonhope runs away from the Candy Kingdom to set out on his own adventure to be his own person. But the nightmares persist as he becomes stranded in a desert where he nearly succumbs to death. Eventually, after a long and arduous adventure, Lemonhope resolves to defeat Lemongrab once and for all by using his lyre's pleasing melody to blow up the despot. After Princess Bubblegum is able to reconstitute Lemongrab into a patchwork creature by grafting leftover parts from his clone brother and some deceased Lemon people caught in the blast, Lemonhope turns down the offer to rule the Lemon Kingdom and leaves to live out his life. A thousand years later, an aged Lemonhope returns to the Lemon Kingdom in his final living moments.
156 52 "Billy's Bucket List" Nate Cash

Adam Muto

Ako Castuera & Jesse Moynihan March 17, 2014 1014-159 2.34[94]
Finn finds Billy's (voiced by Lou Ferrigno) bucket list and decides to complete the unfinished items, as a tribute toward the fallen hero. After completing most of the items, including taking Billy's ex-girlfriend Canyon (voiced by Ako Castuera) on one last motorcycle ride, and conquering his fear of the ocean, an apparition of Billy appears to Finn, telling him that Finn's biological father is still alive.

Season 6: 2014-2015[]

No.

overall

No. in

season

Title Supervising

direction by

Written and storyboarded by Original air date [nb 2] Prod.

code [105]

U.S. viewers

(millions)

157 1 "Wake Up" Elizabeth Ito Andy Ristaino & Cole Sanchez April 21, 2014 1025-166 3.32[80]
Finn and Jake try to commit a cosmic crime in order to gain access to a multiverse prison called the Citadel, in which Finn's father is trapped. Revealing himself as a dream-based manifestation, Prismo (voiced by Kumail Nanjiani) offers to help them by instructing them to bring him the old man who dreamt him up so they can wake him up. However, having been in a comatose state since his previous plan was ruined, the Lich (voiced by Ron Perlman) beats the duo to the punch by waking up the old man and then killing him; the Citadel's guardian subsequently captures him.
158 2 "Escape from the Citadel" Adam Muto Tom Herpich & Steve Wolfhard April 21, 2014 1025-163 3.32[80]
Hitching a ride on the Lich's crystalized prison, Jake and Finn find the latter's father Martin (voiced by Stephen Root), who is not what Finn expected, as they are forced to flee when the Lich destroys the Citadel while putting the prisoners under his control to begin his plan of destruction. While Finn and Jake are distracted with the Lich, Martin flees with Finn giving chase. In the ensuing chase, Finn's grass sword takes over his entire arm, causing Finn to lose it as Martin escapes. Despite this setback, the Lich is turned into a giant baby, who they leave with Tree Trunks and Mr. Pig.
159 3 "James II" Elizabeth Ito Seo Kim & Somvilay Xayaphone April 28, 2014 1025-164 2.03[106]
Finn and Jake learn that Clone James (voiced by Andy Merrill) has been faking his death in order to collect medals. After discovering that there are, in fact, 25 Jameses on the loose, Princess Bubblegum orders them to be arrested. However, before they can be apprehended, the goo monsters from the previous season episode "James" attack. The clones of James redeem themselves, however, by sacrificing themselves to save Princess Bubblegum, who in turn banishes the Jameses to the wasteland in return for new medals every day.
160 4 "The Tower" Andres Salaff Tom Herpich & Steve Wolfhard May 5, 2014 1025-168 2.10[107]
Finn is not happy with his replacement arms made by the princesses, and his emotional anguish manifests itself in the form of a telekinetic arm. With his psychic prosthesis, he decides to build a tower into space in order to find his father, and exact revenge by ripping off his arm. Finn becomes obsessed with building this tower, alarming Princess Bubblegum. After Finn breaches the atmosphere of Earth, he begins to hallucinate, but is rescued at the last minute by a spaceship. On board the spaceship, Finn thinks he see his father and attempts to exact his revenge, only to find himself unable to follow through. Once Finn gives up, Princess Bubblegum reveals that she set up the simulation after rescuing Finn, and that he is not actually on board his father's spacecraft.
161 5 "Sad Face" Adam Muto Graham Falk May 12, 2014 1025-162 1.77[108]
With N.E.P.T.R. (voiced by Andy Milonakis) and BMO watching, Jake's tail goes to work at traveling bug circus once every month when Jake is asleep. The tail works as a clown with the stage name Blue Nose; he is berated by the circus's ring leader (voiced by Brett Gelman) and asked to make his performances "less artsy and more fartsy". Blue Nose is displeased with the manner the ring leader treats a captured chipmunk, who is paraded around like a wild beast. Blue Nose makes a deal with the ring leader that stipulates that if he can pull in more money than the chipmunk, it will be set free. Blue Nose then performs a hilarious routine that brings in money, but the ringer leader tries to not honor his agreement; Blue Nose and the chipmunk subsequently escape, and Blue Nose returns to Jake, just as the latter wakes up.
162 6 "Breezy" Andres Salaff Derek Ballard & Jesse Moynihan June 5, 2014 1025-165 2.27[109]
Warned by Doctor Princess that his flower-arm will die if he does not begin to feel again, Finn decides to try and kiss as many Princesses in order to regain his sense of emotion and excitement. Finn soon meets a bee named Breezy (voiced by Ashly Burch), who acts as his wingman; however, Breezy has ulterior motives, desiring Finn's flower, which leads to Breezy developing feelings for Finn. Eventually, his flower changes into a tree that explodes, revealing that his arm has regrown inside.
163 7 "Food Chain" Masaaki Yuasa Masaaki Yuasa June 12, 2014 1025-161 1.97[110]
On a field trip to the Candy Kingdom Museum of Natural History, Finn and Jake learn about the food chain after being turned into its different parts—small birds, big birds, bacteria, plants, and finally caterpillars—by Magic Man (voiced by Kenny). As Finn and Jake journey along the food chain, they meet another character named Erin (voiced by Minty Lewis), whom Finn falls in love with and attempts to marry. The episode concludes with all the main characters singing a song about how the food chain works.
164 8 "Furniture & Meat" Elizabeth Ito Andy Ristaino & Cole Sanchez June 19, 2014 1025-171 1.86[111]
BMO, concerned that Finn and Jake's massive hoard of gold is threatening the structural integrity of their treehouse, talks Finn into spending the money at an expensive resort at Wildberry Kingdom. Chaos ensues when Jake begins wildly spending money and bribing local officials. After disrespecting her authority, Wildberry Princess orders Finn and Jake to be arrested and for their money to be seized and melted down; she punishes them to be covered in molten gold, but BMO and N.E.P.T.R. arrive just in time and save the two.
165 9 "The Prince Who Wanted Everything" Adam Muto Adam Muto, Kent Osborne, Emily Partridge & Bert Youn June 26, 2014 1025-167 2.48[112]
Lumpy Space Princess kidnaps and ties up Ice King, forcing him to read her own fan-fiction of Fionna and Cake about "the beautiful and sensitive" Lumpy Space Prince (voiced by Peter Serafinowicz) who flees his cruel parents to start a new life. Lumpy Space Prince eventually meets Fionna (voiced by Madeleine Martin) and Cake (voiced by Roz Ryan) and tries to learn their simpler ways of life. Eventually, he is able to overcome the power of his parents by "not caring", saving the day and winning the hearts of both Fionna and Cake.
166 10 "Something Big" Andres Salaff Jesse Moynihan July 3, 2014 1025-170 1.95[113]
Maja the Sky Witch summons Daren, The Ancient Sleeper (voiced by Alan Oppenheimer) and orders him to attack the Candy Kingdom so that she may use the sentimental affection and caring of its citizens as fuel for her powers. Root Beer Guy sacrifices himself to stall Daren and Maja while Finn brings in his Ancient Psychic Tandem War Elephant to fight back. After defeating Maja and Daren, Finn decides that he cannot give orders to the Elephant anymore and decides to let him roam freely. The elephant eventually decides to help Maja recover from the coma he put her in.
167 11 "Little Brother" Elizabeth Ito Madéleine Flores & Adam Muto July 10, 2014 1025-172 2.10[114]
While throwing a party in Jake's Viola, Shelby (voiced by Ward) accidentally cuts his lower half off, which becomes sentient. Shelby names his new brother Kent (voiced by Thurop Van Orman), and seeks Jake's help in order to be a good sibling. Jake tells Shelby to give Kent a sword and have him fight bad guys, which Shelby does. Kent journeys into the roots of the treehouse and encounters the Rat King (voiced by James Urbaniak), whom he eagerly challenges. Kent is knocked out and his sword is destroyed, but he is found by an inhabitant of the roots named Leaf-Beard (voiced by Urbaniak) who explains that his village has been tormented by the Rat King for some time. Kent acquires three materials, gets a new sword forged by a local blacksmith (voiced by Burch), and squares off against the Rat King, defeating him.
168 12 "Ocarina" Andres Salaff Tom Herpich & Steve Wolfhard July 17, 2014 1025-173 1.86[115]
After Finn and Jake arrive to the birthday party of Jake's children 3 hours late, Jake begins to irritate his business-savvy son Kim Kil Whan (voiced by Marc Evan Jackson) with his childish antics. Fed up, Whan purchases the deed to Finn and Jake's treehouse from Marceline and promptly rents out the treehouse to multiple tenants. After several days of dealing with Whan as the landlord, Jake becomes convinced that Whan simply wants to be noticed by his father. As result, Jake hand-crafts an ocarina for Whan, using it as collateral for the deed to the treehouse. Whan later meets with his wife and reveals that the real reason he bought the treehouse was to try and force Jake to become a productive and responsible person. Although his plan failed, Whan finally realizes the true nature of his father.
169 13 "Thanks for the Crabapples, Giuseppe!" Elizabeth Ito Seo Kim & Somvilay Xayaphone July 24, 2014 1025-174 2.18[116]
Ice King, Abracadaniel (voiced by Steve Little), Little Dude (voiced by Sanchez), the Life-Giving Magus (voiced by Dana Snyder), Ron James (voiced by Duncan Trussell), female water sprites (voiced by Walch and Grey DeLisle), and several other wizards go on a road trip in a bus to forge their own school of magic. However, their bus runs out of gas and loses its tires, forcing Ice King to freeze a road that the bus can slide on. After encountering a crabapple tree, an elderly wizard named Giuseppe is left behind by Ice King after he attempts to gather apples for the bus patrons. The bus eventually crashes into a swamp. In the nick of time Giuseppe soon arrives and uses psychokinetic magic to lift the bus out of the swamp, before disappearing in a sparkling fog. After this ordeal, the group feels as though they now have a secret to be proud of.
170 14 "Princess Day" Elizabeth Ito Seo Kim & Somvilay Xayaphone July 31, 2014 1025-169 1.91[110]
During the annual Princess Day meeting held in Breakfast Kingdom, Lumpy Space Princess clashes with Breakfast Princess over the year's events. After Breakfast Princess mocks Lumpy Space Princess's status in front of everyone, the latter leaves angrily. Meanwhile, Marceline gets bored during the meeting and follows Lumpy Space Princess outside and suggests that the two engage in pranks. The duo begin ransacking Breakfast Princess's room until they get chased out by guards. The two then steal Breakfast Princess's car, only to accidentally run over Breakfast Princess, who was attempting to stop them from leaving. Knocked out, Breakfast Princess is dragged into the trunk and then dumped off in the middle of the desert. Lumpy Space Princess and Marceline then take Breakfast Princess's car and accidentally drive it off a cliff.
171 15 "Nemesis" Andres Salaff Derek Ballard & Jesse Moynihan August 7, 2014 1025-175 1.90[117]
During the meeting of Starchy's Veritas Brigade, a man calling himself Peace Master (voiced by Rainn Wilson) appears and claims that there is a terrible evil trying to consume the Candy Kingdom. Princess Bubblegum, who is spying on the meeting, thinks Peace Master is talking about her. Meanwhile, Peppermint Butler (voiced by Steve Little), fearing that he has been found out by Peace Master, takes to his room and uses a ritual to track down Peace Master and confront him to a battle. Peace Master overpowers him, forcing Peppermint Butler to retreat. Peace Master then challenges Peppermint Butler to a final duel, during which the former loses. By order of Peppermint Butler as the victor, Peace Master leaves Candy Kingdom with Princess Bubblegum being completely unaware of Peppermint Butler's ways.
172 16 "Joshua & Margaret Investigations" Elizabeth Ito Andy Ristaino & Cole Sanchez August 14, 2014 1025-176 2.05[118]
During Jake's birthday party, Jake tells Finn and BMO a story about how his parents Joshua (voiced by Kent Osborne) and Margaret (voiced by Maria Bamford) hunted down a dangerous menace in the woods of Ooo before Jake was born. It is revealed that while hunting some sort of monster, Joshua was bitten by an otherworldly shape-shifter. Eventually, the wound started to grow, resulting in Jake being born from his father's head.
173 17 "Ghost Fly" Cole Sanchez Graham Falk & Cole Sanchez October 28, 2014 1025-181 1.30[84]
During a dark and stormy night, Jake kills a fly that eats some of his soup. In retaliation, the vengeful soul of the fly haunts the tree house. Finn and Jake attempt to get Peppermint Butler to exorcise the fly's spirit, but he leaves out of fear. After failing to adhere to proper exorcist protocol, Finn is turned into a fly. Jake gets BMO to karate chop his heart, allowing him to fight the fly on its own plane of existence. After a struggle, Jake kills the fly's spirit and is brought back to life.
174 18 "Everything's Jake" Cole Sanchez Seo Kim & Somvilay Xayaphone November 24, 2014 1025-184 1.59[119]
After meddling courtesy of Magic Man, Jake finds himself transported inside of himself, wherein an entire civilization exists, made entirely out of Jake's flesh. Jake tries to leave to get something to eat, but the world's inhabitants— including Jake's supposed best friend Goose (voiced by Billy West)—will not let him because they may face extinction.
175 19 "Is That You?" Andres Salaff Jesse Moynihan November 25, 2014 1025-182 1.76[119]
Following a memorial service for Prismo, Jake begins acting strangely. Finn soon realizes that the real Jake has been transported into Prismo's alternate dimension. After recreating the elaborate ritual that triggered the events, Finn is also transported to the dimension, wherein he runs into a program of Prismo. This program explains an elaborate plan that will allow Prismo to be resurrected. Both Finn and Jake follow Prismo's instructions, and are successful in reviving their friend.
176 20 "Jake the Brick" Kent Osborne Kent Osborne November 26, 2014 1025-177 2.00[120]
Jake wants to fulfill a bizarre lifelong ambition of being a brick inside a shack as it collapses. Finn, being supportive, leaves a walkie talkie with Jake, who absentmindedly begins to narrate the events around him. Finn and BMO are drawn into Jake's storytelling, and Finn uses Starchy's radio station to broadcast Jake's narration of the trials and tribulations of a rabbit. All of Ooo is soon engrossed in the radio broadcast, unbeknownst to Jake.
177 21 "Dentist" Andres Salaff Tom Herpich & Steve Wolfhard November 28, 2014 1025-188 1.40[121]
When Finn's toothache gets too much to take, he has no choice but to visit the ants, led by General Tarsal (voiced by Lucy Lawless), who provide dental care in exchange for a tour of duty. However, Finn soon finds himself partnered up with Tiffany (voiced by Collin Dean), who constantly tries to kill him so that he may become Jake's best friend. Finn and Tiffany attempt to defend an underground intersection from aggressive worms. Just when victory is assured, Tiffany tries to kill Finn, but accidentally falls into the maw of the Queen Worm, to his apparent demise. Following this ordeal, Finn's teeth are promptly fixed.
178 22 "The Cooler" Cole Sanchez Andy Ristaino & Cole Sanchez December 4, 2014 1025-186 1.84[122]
After a natural disaster hits the Fire Kingdom, Flame Princess (voiced by Jessica DiCicco) is forced to team up with Princess Bubblegum. Unbeknownst to Flame Princess, Bubblegum set up the cooling in order to infiltrate the Flame Kingdom and deactivate the kingdom's Sleeping Fire Gods, extremely powerful and ancient weapons of mass destruction. Once Bubblegum's betrayal is known, the two princesses fight, resulting in destruction of all but one of the Fire Gods. Flame Princess calls Bubblegum a bad person, to which she protests. Eventually, after intense discussion, Flame Princess reveals her actual name—Phoebe—to Princess Bubblegum as a sign of friendship. Princess Bubblegum, in turn, pulls the plug from her extensive surveillance program.
179 23 "The Pajama War" Cole Sanchez Seo Kim & Somvilay Xayaphone January 8, 2015 1025-189 2.04[123]
At a slumber party at the Candy Kingdom, Princess Bubblegum and Finn are forced into a closet to play a variation of seven minutes in heaven; the two leave the party to hang out and go on a walk. However, the candy citizens believe that Finn and Bubblegum have passed out due to lack of oxygen and attempt to open the door. Eventually, the citizens form a makeshift government that quickly devolves into a despotism headed first by Col. Candy Corn (voiced by Keith Ferguson), and then Crunchy. The panic is only ended once Finn and Bubblegum return; before intervening, however, Bubblegum and Finn discuss how much they have enjoyed just spending time together.
180 24 "Evergreen" Andres Salaff Tom Herpich & Steve Wolfhard January 15, 2015 1025-178 1.75[124]
Millions of years before the start of the series, a mutated dinosaur by the name of Gunter (voiced by Pamela Adlon) and the ice elemental Urgence Evergreen (voiced by Kenny) try to save the planet from a comet by constructing a magical crown that will grants its wearer their one true wish. Although the two are able to secure a power supply for the crown, Evergreen is incapacitated before he can use it, resulting in Gunter placing it on his head; however, Gunter accidentally wishes to be an ice wizard like Evergreen, marring the crown for all future wearers, including the Ice King.
181 25 "Astral Plane" Andres Salaff Jesse Moynihan & Jillian Tamaki January 22, 2015 1025-180 1.86[125]
While camping with Jake, Finn begins astral projecting, which takes him on a journey across Ooo. After viewing Mr. Fox (voiced by Herpich), Bounce House Princess, Ice King, and Marceline, Finn begins to ponder the nature of life. Catching a ride on a space lard, Finn is carried to Mars, where he witnesses Grob Gob Glob Grod sacrifice himself to save the citizens of Mars from an incoming comet, which is later revealed to be a spacecraft being piloted by Finn's father, Martin.
182 26 "Gold Stars" Elizabeth Ito Seo Kim & Somvilay Xayaphone January 29, 2015 1025-179 1.85[126]
Tree Trunks and Mr. Pig's child, Sweet P (voiced by Ethan Maher), is bullied on his first day of school. The King of Ooo (voiced by Andy Daly) and his lawyer dog Toronto (voiced by Paul Sheer) then trick him into dancing for the amusement of other people; the King of Ooo and Toronto use Sweet P as a distraction so that they can pickpocket people. The two criminals convince Sweet P to continue working with them by giving him gold stars, but eventually, Sweet P learns that he is being used to hurt others, and the suppressed manifestation of the Lich (voiced by Ron Perlman) terrifies King of Ooo and Toronto into leaving Sweet P alone.
183 27 "The Visitor" Andres Salaff Tom Herpich & Steve Wolfhard February 5, 2015 1025-183 1.71[127]
After sleepwalking, Finn is led to both a friendly civilization, and to the mysterious location of a downed spaceship. In the area, Finn stumbles upon his father, Martin, and attempts to bond with him. However, Finn soon realizes that Martin seems to care about no one but himself; Finn even tries to pry details of his birth from his father, but Martin provides only a few vague details. Finn, fed up with his father, closes him in the spaceship's escape pod and activates it, sending Martin into space. Finn then proceeds to save the members of the friendly civilization from the downed spaceship.
184 28 "The Mountain" Andres Salaff Sam Alden & Jesse Moynihan February 12, 2015 1025-187 1.67[128]
Lemongrab and Finn go on an expedition through the Mountain of Matthew to learn more about themselves. After being presented with three mirrors that show the viewer two false realities and one true reality, both Finn and Lemongrab both chose correctly and soon come into contact with the being Matthew (voiced by Jim Cummings), who meets his demise thanks to the antics of Lemongrab.
185 29 "Dark Purple" Adam Muto Sloane Leong & Adam Muto February 19, 2015 1025-185 2.15[129]
Susan Strong (voiced by Jackie Buscarino) and her Hyooman associates infiltrate the mysterious Super Porp soda factory in order to save a baby that was kidnapped by one of its delivery drones. Susan Strong soon discovers a race of mutated beings, who slave all day to craft the delicious Super Porp. Susan and her associates eventually square off against Cheryl (voiced by Burch), the dying spokesperon for the company, who reveals that she needs the baby to keep brand awareness strong. Susan saves the child and has the plant dismantled, which results in terrible soda.
186 30 "The Diary" Cole Sanchez Jillian Tamaki February 26, 2015 1025-190 1.91[130]
Jake's son T.V. (voiced by Dan Mintz) finds an old diary, which revives a decades-old mystery surrounding the writer of the book. T.V. soon pours over the scrawling of the writer, whose initials are B.P. (voiced by Alia Shawkat). The more and more T.V. reads, however, the more obsessive he becomes, to the point where he soon begins to experience everything that the diary's author wrote about. Eventually, with the help of Jake, T.V. is able to discover that the diary belonged to Nurse Poundcake (voiced by Little) when she was younger.
187 31 "Walnuts & Rain" Andres Salaff Tom Herpich March 5, 2015 1025-193 1.68[131]
When Finn and Jake stumble into two different holes, they meet two different fates: Finn becomes the guest of the unstable King Huge (voiced by Matt L. Jones), who insists that Finn remain with him and stare at his idiosyncratic cuckoo clock; whereas Jake meets Seven (voiced by Chris Isaak), a bear whose makeshift air raft has been falling down the hole for years. Eventually, it turns out that the hole Jake and Seven are falling through is the chimney to the kitchen where Finn is being held captive. As such, Jake is eventually able to save Finn.
188 32 "Friends Forever" Cole Sanchez Andy Ristaino & Cole Sanchez April 16, 2015 1025-191 1.57[132]
The Ice King invites over the Life-Giving Magus under the guise of spending time together, when in reality Ice King wants to use him to bring his appliances to life in the hopes that he can befriend them. All of the newly conscious objects look down upon his sense of humor, except for a friendly lamp (voiced by Tipper Newton). After trying—and failing—to understand their ways, Ice King ends up destroying all of them in a blind rage after they mock him and try to take away his crown.
189 33 "Jermaine" Andres Salaff Brandon Graham & Jesse Moynihan April 23, 2015 1025-192 1.53[133]
After a chilling dream encounter, Finn & Jake are determined to reconnect with their reclusive brother, Jermaine (voiced by Tom Scharpling). The duo journey to their old familial house, which is still inhabited by Jermaine. The building is surrounded by demons, which Jermaine vigilantly fends off. Jermaine eventually gets into a fight with Jake, pointing out that he has had to take care of their father's affairs, whereas Jake has gotten to lead a life of adventure. Once the tensions cool—and the brothers' home burns to the ground—amends are finally made.
190 34 "Chips & Ice Cream" Cole Sanchez Seo Kim & Somvilay Xayaphone April 30, 2015 1025-194 1.69[134]
After a bizarre curse gets placed on Jake by a bear named Morty Rogers (voiced by Ron Livingston), Jake is forced to live with two creatures named Chips and Ice Cream (voiced by Riki Lindhome and Kate Micucci respectively) that talk in a nonsense language consisting only of their names. Jake initially tries to live his life with the two creatures, but their incessant chattering begins to drive Finn and Jake crazy. Eventually, BMO figures out how to free Chips and Ice Cream, and they ascend into the heavens.
191 35 "Graybles 1000+" Andres Salaff Steve Wolfhard May 7, 2015 1025-195 1.58[135]
Cuber (voiced by Emo Philips) must rely on his bag of graybles to survive after crash landing in a futuristic and bleak version of Ooo. Each of the graybles—revolving around Finn, Jake, and BMO; Ice King and Gunter; Princess Bubblegum and Starchy; and Cuber himself—allow Cuber to survive and adapt in this alien world, and successfully evade a group of vengeful creatures, bent on destroying Cuber after he accidentally disturbed a wedding of theirs.
192 36 "Hoots" Adam Muto Kent Osborne & Andy Ristaino May 14, 2015 1025-196 1.54[136]
After the Cosmic Owl (voiced by M. Emmet Walsh) spies an attractive lady bird (voiced by Kay Lenz) in Finn's dream, he begins to shirk his duties. He proceeds to do everything in his power to talk to her and find out who she is. Eventually, the two meet up, and the Cosmic Owl unwittingly invites the lady bird into the dream of Princess Bubblegum. In this dream, the lady bird suddenly turns into a deadly demon, spelling doom for Princess Bubblegum and the Candy Kingdom - due to the prophetic nature of dreams featuring the Cosmic Owl, this may come to pass in the waking world. It is later revealed that the lady bird was the dream manifestation of Gunter.
193 37 "Water Park Prank" David Ferguson David Ferguson May 21, 2015 1025-202 1.42[137]
After rescuing Princess Orangutan from Daddy-sad-heads, Finn and Jake head to a post-apocalyptic water park for a day of fun. While at the park, they run into the Ice King and decide to prank him by blocking up the water slide he is trying to go down.
194 38 "You Forgot Your Floaties" Andres Salaff Jesse Moynihan June 1, 2015 1025-197 1.57[138]
Finn and Jake storm Magic Man's house to rescue his new apprentice, who turns out to be Betty (voiced by Lena Dunham). Betty and Magic Man create a system that will make Magic Man the new "globhead", allowing him to assume the position once held by his brother, Grob Gob Glob Grod. The two have a vision about an artificial intelligence that Magic Man created, called M.A.R.G.L.E.S., named after his dead wife who was taken by the entity Golb. M.A.R.G.L.E.S. was designed to be used as a weapon to stop Golb. A mishap, however, caused M.A.R.G.L.E.S. to severally damage Magic Man's brain. In the end, the magical procedure goes awry, and Betty absorbs Magic Man's powers, leaving him normal.
195 39 "Be Sweet" Elizabeth Ito Seo Kim & Somvilay Xayaphone June 2, 2015 1025-199 1.67[139]
A fed up Lumpy Space Princess leaves the woods in order to babysit Sweet Pea. After neglecting her duties and abandoning Sweet Pea, Lumpy Space Princess is tormented by a raccoon, who seems to verbally assault her with her subconscious fears: that she does not belong in the world of creature comforts. In the end, Lumpy Space Princess tracks down Sweet Pea, apologizes, and finally accepts her life in the woods. Later, Sweet Pea tells his parents about a recurring dream where in he was a comet.
196 40 "Orgalorg" Andres Salaff Graham Falk June 3, 2015 1025-198 1.30[140]
Gunter has strange visions after an accident. It is revealed that Gunter is really Orgalorg, a primordial chaos demon that once terrorized a faraway system of planets. After angering Abraham Lincoln, the King of Mars, Orgalorg was defeated by Grob Gob Glob Grod and banished to Earth. The planet's gravity compressed the being into a penguin, and for thousands of years he wandered for most of human history until finally being taken in by the Ice King.
197 41 "On the Lam" Elizabeth Ito Seo Kim, Cole Sanchez & Somvilay Xayaphone June 4, 2015 1025-201 1.48[141]
Finn's father, Martin, fights for freedom on a new planet. There he meets a little alien he names Martin II; the alien, in turn, refers to Martin as "papa". Martin tries to escape from the guards, who threaten to destroy everyone if the "rebel leader" does not reveal himself. Martin decides to sacrifice himself to save Martin II, but it turns out that Martin II was actually the rebel leader. Martin abandons Martin II and steals the alien king's gold and escapes into space on a giant moth.
198 42 "Hot Diggity Doom" Andres Salaff Tom Herpich & Steve Wolfhard June 5, 2015 1025-203 1.55[85]
On election day, Princess Bubblegum's attention is diverted by a presence in the sky. Her inattention to the election leads to the King of Ooo winning and deposing her. She voluntarily goes into exile. Finn and Jake, having sworn allegiance to the kingdom, watch out for her people, but soon discover that Orgalorg has awakened inside of Gunter. The demon commandeers one of Bubblegum's spaceships and flies it out of the atmosphere in an attempt to absorb the power of rapidly approaching catalyst comet. Finn and Jake give chase and trail the newly manifested demon into space.
199 43 "The Comet" Elizabeth Ito Jesse Moynihan & Andy Ristaino June 5, 2015 1025-200 1.55[85]
After Orgalorg reveals its true, gigantic form, Finn and Jake are jettisoned into space and separated. Finn wills the universe to obey his wishes, and Martin appears. Orgalorg consumes the comet, but Finn jumps into its belly, wherein his long-dormant grass curse reactivates, growing into a whip-like hand. Finn's power cracks open the comet, revealing a cosmic entity (voiced by Tig Notaro), who offers Finn the opportunity to ascend to a higher plane of existence. Finn politely declines, saying he is rather fond of his life in Ooo. Martin takes the being up on its offer and disappears, and Finn and a critically wounded Orgalorg are rescued by Jake and Banana Man. The Earth's gravity once again compresses Orgalorg into the powerless Gunter.

Season 7: 2015-2016[]

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season

Title Supervising

direction by

Written and storyboarded by Original air date Prod.

code [105]

U.S. viewers

(millions)

200 1 "Bonnie & Neddy" Andres Salaff Tom Herpich & Steve Wolfhard November 2, 2015 1034-209 1.07[87]
Under orders from the King of Ooo (voiced by Andy Daly), Finn and Jake explore a forbidden area under the Candy Kingdom, where they discover a Candy Dragon which is the source of the candy juice that serves as the lifeblood of the kingdom. The King of Ooo tries to monopolize the dragon for himself, but ends up scaring it away. Finn and Jake enlist the help of Bubblegum to get the dragon back, and she reveals that the dragon is in fact her brother, Neddy (voiced by Andres Salaff), who is incredibly shy and sensitive. Bubblegum tracks down Neddy, calms him down, and returns him to the Candy Kingdom after ensuring the King of Ooo cannot bother him again.
201 2 "Varmints" Elizabeth Ito Kris Mukai & Adam Muto November 3, 2015 1034-208 1.31[106]
Marceline visits the Candy Kingdom only to be surprised to learn that Bubblegum has been deposed. She arrives at Bubblegum's cabin, where Bubblegum enlists her help in eliminating varmints that have been eating her pumpkins. They track the varmints underground to an old mine tunnel Bubblegum and Marceline used to hang out in their youth. The Queen Varmint proves too powerful for them to defeat, and Bubblegum admits to Marceline that she still misses the Candy Kingdom. When they escape back to the surface, Marceline promises to help Bubblegum defeat the Queen Varmint.
202 3 "Cherry Cream Soda" Adam Muto Graham Falk November 4, 2015 1034-206 1.22[107]
Cherry Cream Soda (voiced by Anne Heche), now married to Starchy, is still troubled by the death of her previous husband, Root Beer Guy (voiced by Jack Pendarvis). Determined to put her past behind her, she buries Root Beer Guy's remains. However, a chance blast of lightning revives Root Beer Guy—who now goes by Dirt Beer Guy—who tries to return to Cherry Cream Soda. Cherry Cream Soda, terrified of his sudden return and newfound strength, initially rejects him. After a talk with Jake, Dirt Beer Guy works up the resolve to rekindle his relationship with Cherry Cream Soda, but is blocked by a jealous Starchy, who tries to kill him. Angered by Starchy's behavior, Cherry Cream Soda breaks up with Starchy and decides to start dating Dirt Beer Guy again.
203 4 "Mama Said" Elizabeth Ito Kris Mukai & Kent Osborne November 5, 2015 1034-218 1.16[108]
The King of Ooo orders Finn and Jake to find a flying mushroom so that he can ride on it. During their search, they encounter Canyon, who asks them to come with her to find a sacred spring. They decide to accompany Canyon, but are attacked by a giant flying mushroom. Canyon defeats the flying mushroom by digging up the sacred spring and turning its water into a blade to cut the mushroom apart. With no flying mushroom, Finn and Jake attempt to appease the King of Ooo by bringing him a mushroom pizza instead. However, the King of Ooo fires them for their failure. The episode features a non sequitur ending featuring a banana guard member singing The Shirelles' 1961 song, "Mama Said".
204 5 "Football" Andres Salaff Emily Partridge & Luke Pearson November 6, 2015 1034-207 1.26[109]
BMO talks with Football, his reflection in the mirror, and agrees to switch places with her for one day. BMO presses his hands against the mirror and is transported into the mirror world while Football is transported to the real world. However, Football ends up liking the real world since the mirror world is empty and lonely, and reneges on the deal, leaving BMO trapped in the mirror world. However, BMO haunts Football through any reflective surface. Terrified, Football accidentally falls into a reflective pond, switching places with BMO again. Fortunately, Football likes living in the pond, since it has the reflections of the pond's geese to keep her company, and apologizes to BMO. BMO accepts Football's apologies and celebrates being back in the real world.
205 6 "Stakes Part 1: Marceline the Vampire Queen" Andres Salaff Ako Castuera & Jesse Moynihan November 16, 2015 1034-212 1.87[90]
Marceline approaches Princess Bubblegum and asks her to cure her of her vampirism, as she no longer wants to be immortal. Bubblegum agrees to perform an experimental procedure which extracts the vampiric essence from Marceline's body, but is unsure of whether it has worked or not. As Marceline recovers, the extracted essence gains a mind of its own and escapes. Meanwhile, Finn and Jake are called out to investigate livestock being attacked by a bloodsucking creature. Suspecting Marceline, Finn and Jake confront of her, only to discover the extracted essence has transformed into the vampire attacking the livestock. However, as Finn and Jake chase the vampire, a mob of angry villagers capture Marceline and leave her to be destroyed by the rising sun.
206 7 "Stakes Part 2: Everything Stays" Elizabeth Ito Adam Muto & Hanna K. Nyström November 16, 2015 1034-213 1.87[90]
As the sunlight engulfs Marceline, she begins reliving memories of her past. As a child, she's comforted by her mother's lullaby. She witnesses Simon leaving her to protect her from himself. As a teenager, she hunts vampires and discovers she can absorb their powers. Later she befriends a tribe of Hyoomans, who are constructing a boat to escape the continent and avoid an impending catastrophe they fear will happen. Marceline helps fight off more vampires, and tells the Hyoomans to flee when the Vampire King arrives. Back in the present, everybody is shocked when they see that the sunlight doesn't kill Marceline, meaning that she has been cured of her vampirism. Meanwhile, Jake encounters the vampires Marceline had previously killed, now resurrected from Marceline's freed vampiric essence.
207 8 "Stakes Part 3: Vamps About" Andres Salaff Tom Herpich & Steve Wolfhard November 17, 2015 1034-214 1.82[91]
Old foes surface from Marceline's past. The five deadliest vampires on the planet are the Vampire King, strongest of the vampires, The Fool with his flight power, The Empress with her invisibility and her hypnotic eyes, the shape-shifting but old-fashioned Hierophant and the ever healing and nearly unkillable vampire named the Moon. The vampires are surprised that they are alive again, but quickly disagree on what to do next and go off on their separate ways. Witnessing this, Jake warns Finn and Marceline. Upon realizing the Vampire King is alive again, Marceline flashes back to her previous battle with him. In order to preserve the vampire race, the Vampire King sacrificed himself to bite Marceline, making her the last vampire. Marceline manages to track down and confront the resurrected Vampire King, killing the Fool and reabsorbing his power of flight. However, before she can battle the still weak Vampire King, he warns her that the Empress is headed for the Ice Kingdom. Fearing for The Ice King's safety, Marceline leaves immediately.
208 9 "Stakes Part 4: The Empress Eyes" Elizabeth Ito Seo Kim & Somvilay Xayaphone November 17, 2015 1034-215 1.82[91]
The Empress (who had previously known Simon) arrives at the Ice Kingdom and uses her powers to hypnotize the Ice King, ordering him to bring her the blood of Finn. Marceline attempts to attack the Empress right as the Ice King returns with a captured Finn. Finn escapes, and the Empress orders Ice King to capture them. In an attempt to jog the Ice King's memory, Marceline tells him that she was motivated to start hunting vampires when she killed one trying to attack a human family. However, it's revealed that the Ice King was never hypnotized by the Empress, but merely acting as he always does around women. Marceline then attacks the Empress, but the Empress quickly gains the upper hand until she is paralyzed by a special gun Bubblegum developed. Marceline kills the Empress and reabsorbs her power of invisibility. She then apologizes to her friends for trying to fight the vampires alone and tells them they will hunt the remaining vampires together.
209 10 "Stakes Part 5: May I Come In?" Adam Muto Emily Partridge & Luke Pearson November 18, 2015 1034-216 1.85[92]
While on the trail of the vampire known as The Moon, they then run into trouble when the shape-shifting vampire Hierophant tracks them and finds them. The group attempts to fight him, but he proves to be too powerful. When notified by Peppermint Butler that the Hierophant cannot enter houses without permission, Jake shapeshifts into a house and the group takes shelter inside. The Hierophant then tells Marceline that he didn't come to fight, but to propose an alliance to take down the Vampire King together. Marceline agrees only on the condition that the Hierophant no longer drinks blood, but he attacks her instead. During the struggle, he is accidentally knocked into Jake and dies due to entering a house uninvited. Marceline reabsorbs his shapeshifting powers but then falls ill, having been stung and poisoned by the Hierophant's stinger.
210 11 "Stakes Part 6: Take Her Back" Andres Salaff Ako Castuera & Jesse Moynihan November 18, 2015 1034-217 1.85[92]
Princess Bubblegum takes Marceline to the Candy Kingdom to try to find a cure for the Hierophant's poison. Meanwhile, Finn and Jake track down the Moon in hopes of using her healing power to heal Marceline. Upon finding the Moon, they find that due to her healing powers, they can't kill her with their stakes. When the sun sets, the Moon wakes up and Finn and Jake flee, luring the Moon to the Candy Kingdom. However, when they try to fight back, the Moon uses her powers to incapacitate Finn and Jake as she attempts to kill Marceline. Fortunately, Peppermint Butler stabs the Moon in the back, her only weak spot. Marceline reabsorbs the Moon's healing power and fully recovers from the poison.
211 12 "Stakes Part 7: Checkmate" Elizabeth Ito Ako Castuera & Jesse Moynihan November 19, 2015 1034-222 1.70[93]
While Marceline and the rest of the group plan how to battle the Vampire King, the Vampire King himself appears before them. The group attempts to attack him, but Vampire King reveals that he has no wish to fight them. He has grown tired of his endless battle against Marceline, and instead seeks a new path by asking Bubblegum to cure him of his vampirism. The group reluctantly agrees to help the Vampire King and takes him to Bubblegum's lab, where she extracts the Vampire King's vampiric essence. As a result, the Vampire King reverts to his original form, a lion. Bubblegum then tasks Peppermint Butler with properly disposing the essence to ensure it cannot harm anybody, but he accidentally drops the container and releases the essence, which explodes into a black cloud and begins to form into a giant monster.
212 13 "Stakes Part 8: The Dark Cloud" Andres Salaff Tom Herpich & Steve Wolfhard November 19, 2015 1034-219 1.70[93]
The essence forms into the Dark Cloud, which begins to make its way towards the Candy Kingdom. As Finn, Jake, and Bubblegum go out to battle the Dark Cloud, Marceline loses the will to fight, believing everything she has done has made matters worse. The Ice King then arrives to observe the battle and after a brief talk with him, Marceline decides to fight the Dark Cloud to save her friends. Meanwhile, the Candy People witness Bubblegum battling the Dark Cloud, and sick of the King of Ooo's leadership, overthrow him and head out to battle the Dark Cloud. Other Kingdoms from Ooo such as the Fire Kingdom join in on the attack. Marceline finally arrives and uses her demonic powers to absorb Dark Cloud at the cost of becoming a vampire again. However, Marceline is fine with being a vampire again, as she feels she managed to mature during her brief time as a mortal. As Marceline sings a song, it shown that Bubblegum once again becomes the Princess of the Candy Kingdom and the rest of the residents of Ooo return to their normal lives.
213–214 14–15 "The More You Moe, the Moe You Know" Andres Salaff (Part 1)

Elizabeth Ito (Part 2)

Tom Herpich & Steve Wolfhard December 3, 2015 1034-224

1034-228

1.20[110]
"Moe" (voiced by Chuck McCann) visits the tree house on BMO's birthday, with a special mission for the robot: return to the MO factory so as to grow up. BMO undertakes the mission, but is nervous, worrying that the process of growing up may affect the way others see them. At the MO factory, BMO, after nearly falling into a trash compactor, learns that "Moe" is actually AMO (voiced by Thu Tran), the first MO ever created, in disguise. AMO was built to receive love, which over the many years has turned the robot into a veritable monster desperate for affection, no matter the cost. BMO rushes back to the Tree Fort just in time to stop AMO, and in the resultant scuffle, AMO is accidentally hurled off of a cliff.
215 16 "Summer Showers" Elizabeth Ito Graham Falk January 7, 2016 1034-223 1.10[111]
Jake's daughter, Viola (voiced by Paget Brewster), is up for the lead role in a play directed by Lumpy Space Princess. She does not get the part, instead, being chosen by Lumpy Space Princess to be responsible for sound and practical effects, such as creating the illusion of rain. Lumpy Space Princess treats Viola poorly and focuses on the tiniest of details; for instance, she orders Viola to replicate raindrops perfectly. Viola puts up with her because she wants to make Jake proud. On opening night, the leading lady, Tree Trunks, is unable to perform, and Lumpy Space Princess decides to take her place. At the last minute, Viola teleports Lumpy Space Princess far away from the theater before the show starts so she can play the lead role. Lumpy Space Princess eventually makes her way back, but calms her anger once she sees the raindrops Viola was able to replicate.
216 17 "Angel Face" Elizabeth Ito Seo Kim & Somvilay Xayaphone January 11, 2016 1034-210 1.11[112]
BMO sets up an elaborate live-action cowboy role-play scenario. Using special "sentient sandwiches" as a bribe, BMO manages to convince Jake to take on the role as their horse, and the two set off to catch Finn, who is role-playing as an outlaw. Meanwhile, Me-Mow (voiced by Kyla Rae Kowalewski) sees a pretend wanted poster that BMO made with Finn's picture on it, and she kidnaps Finn in the hopes of receiving the fake bounty. Finn escapes with the help of BMO and Jake, the three then imprison Me-Mow deep inside the Candy Kingdom.
217 18 "President Porpoise Is Missing!" Andres Salaff Sam Alden & Kent Osborne January 12, 2016 1034-211 1.21[113]
While playing video games in their treehouse, Finn and Jake receive an emergency newsflash stating that President Porpoise has gone missing. They then decide they have to find Banana Man so they can get underwater before Vice President Blowfish takes over as President of the Ocean. To their surprise, Banana Man reveals that he was already in their treehouse listening to their conversation, along with Ice King; Finn, Jake, Banana Man, Ice King, and BMO then leave for the sea, but Finn and Jake convince BMO to stay behind and distract Ice King while they travel to the bottom of the ocean in Banana Man's submarine. Finn and Jake are granted permission to interrogate VP Blowfish, but they are unsuccessful at getting information from him. At the last moment, President Porpoise returns saying that he had just taken a long weekend.
218 19 "Blank-Eyed Girl" Andres Salaff Seo Kim & Somvilay Xayaphone January 13, 2016 1034-220 1.12[114]
One very spooky night, Finn and Jake come face-to-face with an urban myth: the Blank-Eyed Girl. These creatures seemingly hide in all corners of Ooo and unnervingly stare at individuals for no reason. The Blank-Eyed Girls terrify Finn and Jake, and so the two attempt to fight them off using various superstitions. When this does not work, Finn and Jake attempt to simply ignore them, but Jake breaks down and admits that the creatures are indeed creepy. Eventually, the creatures reveal that they are actually formless creatures in disguise, and they leave the Tree Fort via an open window.
219 20 "Bad Jubies" Kirsten Lepore Kirsten Lepore January 14, 2016 1034-205 1.22[115]
In this episode, a deadly storm (voiced by Kevin Michael Richardson) hits the grasslands, forcing Finn, Jake, BMO, and Lumpy Space Princess to build a bunker. While Finn, BMO, and Lumpy Space Princess all collect necessities, Jake appears to do nothing, which angers the trio. In the end, however, it is revealed that Jake was collecting sounds; after the storm threatens to destroy the group's bunker, Jake is able to use a beat box made up of the aforementioned sounds to successfully calm the storm.
220 21 "King's Ransom" Adam Muto Hanna K. Nyström & Andres Salaff January 15, 2016 1034-221 1.12[116]
An unknown individual steals Ice King's crown, along with Gunter, and he enlists the help of Finn and Jake to track down his property. After a wild goose chase in the forest, involving several foxes and faux crowns, Finn, Jake, and Ice King learn that Gunter and the real crown have been taken to a mysterious cave. Ice King makes the journey alone, where he meets Betty; it is revealed that Betty used Gunter's innate demon powers to manipulate the circuitry of the crown, although he exact intentions are unknown. Just as Ice King, the ice crown, and Gunter are reunited, Betty suddenly disappears.
221 22 "Scamps" Elizabeth Ito Kent Osborne & Somvilay Xayaphone January 21, 2016 1034-225 1.45[117]
After Finn and Jake foil a scam perpetrated by a group of at-risk candy kids, Finn decides to take the youths on a camping trip in an attempt to reform them. At first, things do not go as planned and the kids are unable to give up their immoral ways. Eventually, Finn is able to use reverse psychology to convince the kids to do what he wants them to do, and in the end the children learn their lesson and enroll in school to better themselves.
222 23 "Crossover" Andres Salaff Sam Alden & Jesse Moynihan January 28, 2016 1034-226 1.13[118]
Finn and Jake crossover into Farmworld (i.e. the dimension that was first created in the episode "Finn the Human") to stop Ice Finn and the Jake-Lich from using an alternate reality of the Enchiridion to open up doorways into all dimensions. After a long and drawn out battle, Finn, Jake, and Ice Finn team up to stop the Jake-Lich, and Finn and Jake are able to use a magical device courtesy of Prismo (voiced by Kumail Nanjiani) to remove the essence of the Lich from Farmworld Jake, returning Farmworld to normal.
223 24 "The Hall of Egress" Andres Salaff Tom Herpich March 5, 2016 1034-227 1.24[119]
Finn and Jake set out to found a dungeon, but, after the two find it, Finn ends up getting trapped within. In the center of the structure he finds a door that, when he closes his eyes, he is able to pass through. On the other side of this door is a maze, and past the maze is the outside world. However, every time Finn opens his eyes, he is transported back from where he came: outside the door. At first, Finn tries to live his life blindfolded, but he is always somehow forced to open his eyes. He eventually sets off on his own and wanders into an identical dungeon. In the center of this structure is a door that he can only pass through by opening his eyes. Finn does just that, and in doing so manages to escape the Hall of Egress.
224 25 "Flute Spell" Andres Salaff Sam Alden & Jesse Moynihan March 12, 2016 1034-231 1.01[120]
Huntress Wizard (voiced by Jenny Slate) seeks the help of Finn's flute playing skills to summon the Spirit of the Forest. Jake begins to suspect that Finn has feelings for Huntress Wizard, but Finn adamantly denies this assertion. After drinking from a magic spring, Finn briefly interacts with the Spirit (voiced by Matthew Broderick), but it is only by playing together that the two are able to summon the Spirit on the material plane. After being asked what he was thinking of which allowed their musical summons to work, Finn confesses that he was indeed thinking of Huntress Wizard. Huntress Wizard likewise admits that she was thinking of Finn; the two kiss, but realize they cannot be with one another.
225 26 "The Thin Yellow Line" Adam Muto KC Green & Emily Partridge March 19, 2016 1034-233 1.15[121]
After learning that a rogue banana guard has been painting murals on the sides of Candy Kingdom property, Princess Bubblegum orders Finn and Jake to infiltrate the banana guard ranks and find the culprit. Eventually, it is discovered that Banana Guard 16 (voiced by Tunde Adebimpe) is the one responsible, but he claims he has only been painting on the buildings because he ran out of space in his hidden art studio; he fears revealing that he is a painter because he has a terrifying opinion of the princess. Bubblegum, however, reveals that she wanted the one responsible tracked down so that she could hire him to paint an official mural in one of her halls.

Season 8: 2016-2017[]

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direction by

Written and storyboarded by Original air date [nb 1] Prod.

code [38]

U.S. viewers

(millions)

226 1 "Broke His Crown" Elizabeth Ito Ako Castuera & Hanna K. Nyström March 26, 2016 1034-234 1.13[122]
While visiting the Ice King, Princess Bubblegum and Marceline notice the Ice King acting stranger than usual. Bubblegum takes Ice King and his crown back to her laboratory, where she and Marceline enter the crown via virtual reality. They discover that the crown is a maze, with circuitry running on the walls of the maze. There, they also meet the original Gunther (voiced by Pamela Adlon). It is here that Marceline is reunited with Simon Petrikov, and he also expressed his worries about what had recently been happening within the crown. The group discover malware program, taking the form of a bodiless Betty, infecting the crown. Simon tries to get through to Betty to stop her from spreading the virus; he eventually succeeds, and the AI Betty is able to remember him and cease her alterations of the crown's circuitry. As such, the crown starts to reprogram to block access of foreign objects, and Marceline and Bubblegum are forced to leave. Marceline and Bubblegum return to the lab and take Ice King back to his kingdom—without him remembering a thing.
227 2 "Don't Look" Elizabeth Ito Seo Kim & Somvilay Xayaphone April 2, 2016 1034-230 1.13[123]
Finn unearths a treasure at the top of Dead Mountain: magical glasses. But these glasses come at a terrible price, for they turn those gazed upon into that which the wearer perceives them to be. Finn's gaze soon literally transforms Jake into a cooler older brother, BMO into a winged angel, Bubblegum into a "teenage boy heart-throb", the Ice King into Simon, and NEPTR into a microwave. Upon realizing that he turned NEPTR into an inanimate object, Finn breaks down and looks at himself in the mirror, which causes him to turn into an actual monster. Jake, however, is able to console his brother by telling him that, while Finn's eyes are bad at describing reality, his heart knows what is right. This breaks the spell and returns everything to normal.
228 3 "Beyond the Grotto" Andres Salaff[nb 2] Seo Kim & Somvilay Xayaphone April 9, 2016 1034-235 1.06[125]
Finn and Jake are tired of their sea lard, so they decided to throw it in the pond in front of their home. However, Shelby is quick to remind them that sea lards can only survive in salt water environments, and so Finn and Jake dive in after the lard and attempt to save it from dying. In doing so, they are led to a strange new world that superficially resembles Ooo, but is slightly off kilter. Eventually, Finn and Jake begin to forget who they are, and it is only the quick thinking of the sea lard that allows all three of them to return to Ooo. In the end, Finn and Jake realize they were in the wrong for trying to get rid of their lard, and they allow it live with them.
229 4 "Lady Rainicorn of the Crystal Dimension" Elizabeth Ito Graham Falk April 16, 2016 1034-232 0.90[126]
Jake's son TV (voiced by Dan Mintz) finds a hidden box, within which is a crystal sandwich. After eating it, TV draws attention from a Rainicorn named Lee (voiced by Bert Youn). Prior to her having arrived in Ooo, Lady Rainicorn had originally been in a relationship with Lee while living in the Crystal Dimension. Lee was adamantly anti-dog, and his increasingly radical and violent tendencies caused Lady to flee. In the present, it is revealed that the crystal sandwich is some sort of doomsday weapon, and only the combined efforts of Lady and TV are able to stop Lee from activating it and unleashing its power.
230 5 "I Am a Sword" Andres Salaff Sam Alden & Jesse Moynihan April 23, 2016 1034-236 0.91[127]
After Finn accidentally loses his Finn sword, it is stolen by Bandit Princess (voiced by Amy Sedaris) and used for evil. Finn and Jake pursue the thief, trailing her to both the Spikey Village and the Box Kingdom. It is here, in this last location, that Finn and Bandit Princess engage in a duel. While fighting, Finn's grass sword activates. With the grass sword, Finn accidentally pierces the hilt crystal of his Finn Sword, causing it to break. Finn enters into a depression, and Jake hangs up the broken Finn Sword above their fireplace. When the two are not looking, however, it begins to glow an eerie green color.
231 6 "Bun Bun" Elizabeth Ito Seo Kim & Somvilay Xayaphone May 5, 2016 1034-240 1.01[128]
Princess Bubblegum creates a small pastry named Bun Bun (voiced by Ashly Burch) to be Cinnamon Bun's squire. However, because Bun Bun is a veritable tabula rasa, she asks questions about everything. Cinnamon Bun eventually loses track of her, and she befriends the deposed Flame King (voiced by Keith David). He tries to use her as an instrument for evil, but her innocence eventually causes him to turn a new leaf. Meanwhile, Finn apologizes to Flame Princess for how he treated her before, during, and after their break-up. The amends and begin to rebuild their relationship by engaging in a free-style rap battle.
232 7 "Normal Man" Andres Salaff Sam Alden & Jesse Moynihan May 12, 2016 1034-241 1.38[129]
Normal Man (voiced by Tom Kenny) asks for Finn and Jake's help in order to save his brother, Glob (voiced by Kenny) from Tiny Manticore (voiced by Kenny). Tiny Manticore, hoping to make Magic Man suffer for the years of abuse that he caused others to suffer, steals Glob's head away to a dangerous mountain, and Finn, Jake, and Magic Man give chase. Eventually, Tiny Manticore has a change of heart, allowing Glob and Normal Man to finally make amends. Normal Man then returns to Mars to ascend the Martian throne; at first, the Martians do not trust him (given his history), but eventually is able to woo them with brownies.
233 8 "Elemental" Elizabeth Ito Kent Osborne May 19, 2016 1034-242 1.17[130]
Ice King digs up an ice sphere buried underneath the Ice Kingdom. Inside is Patience St. Pim (voiced by Lauren Lapkus), the ice elemental who has been asleep for a thousand years; she reveals that immediately prior to the Mushroom War, she froze herself to escape annihilation. Patience St. Pim reassembles the other elements—Princess Bubblegum, Slime Princess, and Flame Princess—and attempts to "get the band back together". However, the three captured princesses do not appreciate Patience St. Pim's aggressive style, and after she freezes Finn and Jake, they use their newfound elemental powers to overtake Patience St. Pim and escape.
234 9 "Five Short Tables" Elizabeth Ito Kris Mukai & Aleks Sennwald May 26, 2016 1034-237 1.36[131]
Ice King narrates several vignettes detailing Fionna (voiced by Madeleine Martin) and Cake's (voiced by Roz Ryan) adventures as they attempt to push Cake's cooking and artistic skills to an all-new level. Along the way, they interact with Prince Gumball (voiced by Keith Ferguson), Butterscotch Butler (voiced by Elle Newlands), Flame Prince (voiced by Hannibal Buress), Turtle Prince (voiced by Crispin Freeman), Marshall Lee (voiced by Donald Glover), Lumpy Space Prince, and Ice Queen (voiced by Grey DeLisle). In the end, it is revealed that the events of this episode are in turn being viewed by Cuber (voiced by Emo Philips)
235 10 "The Music Hole" Andres Salaff Polly Guo & Andres Salaff June 23, 2016 1034-239 1.15[132]
Finn, still despondent over the loss of his Finn Sword, is selected to be the judge of a battle of the bands. Almost everyone in Ooo takes part, but Finn becomes interested in a song that seemingly only he can hear. With Jake and Lady, Finn tracks down the source of the music: the titular Music Hole (voiced by Ashley Eriksson). The hole explains to Finn that its song can only be heard by either the innocent, or those who have experienced a great loss. After discussing the nature of loss and camaraderie, Finn declares the Hole to be the winner of the battle of the bands.
236 11 "Daddy-Daughter Card Wars" Andres Salaff Adam Muto & Steve Wolfhard July 7, 2016 1034-238 1.16[133]
Jake attempts to get his daughter Charlie (voiced by Alia Shawkat)—an expert tarot card reader—to team up with him so as to win a Card Wars competition. Jake is motivated by his desire to beat his former friend, Grand Prix (voiced by Rich Sommer). Charlie, meanwhile, only wants to obtain a bone from her father so as to cast a chaos magic spell. After seeing visions of her future self, Charlie decides to come to Jake's aid. The two make a formidable pair, but end up losing to Grand Prix regardless. However, Jake learns to live and let live, and his grudge dissipates.
237 12 "Preboot" Adam Muto Adam Muto & Aleks Sennwald November 19, 2016 1034-243 0.77[94]
During an excavation of human artifacts, Finn, Jake and Susan Strong (voiced by Jackie Buscarino) are greeted by a mysterious new stranger named Dr. Gross (voiced by Lennon Parham) who lives in a subterranean ship. This enigmatic figure believes that nature can be "upgraded" via cybernetics. At first hospitable, Dr. Gross turns violent and antagonistic when Finn, Jake, and Susan decline to be upgraded. During the course of the episode, Dr. Gross discovers Susan's cybernetic implant, but is unable to activate it before her ship is destroyed.
238 13 "Reboot" Elizabeth Ito Tom Herpich & Steve Wolfhard November 19, 2016 1034-244 0.77[94]
After Finn accidentally causes Susan to be shocked, her cybernetic implant activates, She turns into a mindless drone and attempts to capture Finn. In the process, a chance blast of energy from a gumball guardian causes Susan to grow into a hulking monster. Finn and Susan eventually arrive along the shore, where they engage in a fight. During the fray, Finn's grass arm attempts to harm Susan, and Finn resists. It eventually detaches from his arm and merges with the broken Finn Sword, creating a mysterious grass-hybrid creature.
239 14 "Two Swords"[39][40] TBA Tom Herpich & Steve Wolfhard[40] January 23, 2017[39] TBA 0.88
Finn and Jake contend with a mysterious, but familiar, new being.[39]
240 15 "Do No Harm"[39][41] TBA Laura Knetzger & Adam Muto[42] January 23, 2017[39] TBA 0.88
Finn makes amends at the Candy Hospital while Jake tries to connect with their unexpected houseguest.[39]
241 16 "Wheels"[39][18] TBA Graham Falk & Charmaine Verhagen[18] January 24, 2017[39] TBA 0.91
Kim Kil Whan is worried about his daughter's future and asks Jake for some parental advice.[39]
242 17 "High Strangeness"[39][43] TBA Pendleton Ward[43] January 25, 2017[39] TBA 0.95
An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom.[39]
243 18 "Horse and Ball"[39] TBA TBA January 26, 2017[39] TBA 0.76
When disaster befalls James Baxter, it's up to Finn and Jake to help him pick up the pieces.[39]
244 19 "Jelly Beans Have Power"[39][44] TBA Aleks Sennwald & TBA[44] January 27, 2017[39] TBA 0.91
Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity.[39]
245 20 "Islands Part 1: The Invitation"[39][45] TBA TBA January 30, 2017[46] TBA 1.20
A mysterious craft invades Ooo and Finn believes it may hold the secrets to his past.[39]
246 21 "Islands Part 2: Whipple the Happy Dragon"[39][45] TBA TBA January 30, 2017[46] TBA 1.20
Finn, Jake, and Susan set sail on a ocean voyage full of wonders and danger.[39]
247 22 "Islands Part 3: Mysterious Island"[39][45] TBA TBA January 31, 2017[46] TBA 1.09
After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends.[39]
248 23 "Islands Part 4: Imaginary Resources"[39][45] TBA TBA January 31, 2017[46] TBA 1.09
Finn and Jake travel to a land where reality has been redesigned and improved.[39]
249 24 "Islands Part 5: Hide and Seek"[39][45] TBA TBA February 1, 2017[46] TBA 1.01
While exploring some futuristic ruins, Susan sees glimpses of a familiar girl.[39]
250 25 "Islands Part 6: Min & Marty"[39][45] TBA TBA February 1, 2017[46] TBA 1.01
An unexpected revelation from Susan leads Finn closer to answers about his past.[39]
251 26 "Islands Part 7: Helpers"[39][45] TBA TBA February 2, 2017[46] TBA 1.00
Finn and his friends journey to a last refuge called Founders Island.[39]
252 27 "Islands Part 8: The Light Cloud"[39][45][47] TBA TBA February 2, 2017[46] TBA 1.00
Finn confronts the power behind Founders Island, but will he ever return home to Ooo?[39]

Season 9: 2017[]

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(millions)

253 1 "Orb" Elizabeth Ito Adam Muto & Aleks Sennwald April 21, 2017 TBA 0.71
While returning home from their adventure in Islands, Finn, Jake and BMO take a nap after eating a lot of bananas. A mysterious black orb in the sky begins to subject the three to strange dreams that quickly become nightmarish. Their nightmares begin to intertwine as they realize that they are dreaming and come in contact with a being that Finn dubs Nightmare Princess. This entity simply wants their bananas, but BMO strikes a bargain so that they get something in return. The group wake up to the orb taking some of their bananas and leaves a pink vile of nightmare juice. BMO looks through the telescope to discover that Ooo has changed radically.
254 2 "Elements Part 1: Skyhooks" Cole Sanchez Sam Alden & Polly Guo April 24, 2017[72] TBA 0.83
Finn, Jake and BMO arrive back in Ooo and discover that their home and the areas surrounding it have been entirely converted into candy. They also encounter Fern, N.E.P.T.R., Shelby, Lemongrab, Tree Trunks, Mr. Pig and Marceline who have been converted into happily brainwashed candy people. A frightened Sweet P is the only person who is still normal and directs the gang to a mysterious candy tower. The tower turns out to be Princess Bubblegum who has become a large candy being and attempts to convert the gang into candy people as well. While BMO is completely transformed, Finn and Jake are rescued by Ice King who takes them to the Sky Kingdom. As Finn and Jake look down, they discover that Ooo has been divided into four completely corrupted sections.
255 3 "Elements Part 2: Bespoken For" Elizabeth Ito Seo Kim & Somvilay Xayaphone April 24, 2017[72] TBA 0.83
Ice King explains what happened to Ooo while Finn and Jake were away. After the group left on their adventure, Ice King was visited by Betty (voiced by Felicia Day) who, frustrated over Ice King not remembering her, asks him out on a date. Betty recreates a restaurant from Ice King's previous life as Simon. When Ice King still can't remember his old life Betty drops him off back home and leaves him. Tiny Manticore gives Betty some advice; rather than trying to adhere to Simon, she should just reach out to him as Ice King due to her having changed as well. Betty returns to Ice King and they start playing together. Suddenly, Patience St. Pim (voiced by Lauren Lapkus) kidnaps Betty and begins using her magic to empower mind controlled Princess Bubblegum, Flame Princess and Slime Princess while Ice King flees with Gunter.
256 4 "Elements Part 3: Winter Light" Cole Sanchez Laura Knetzger & Steve Wolfhard April 25, 2017[72] TBA 0.98
Finn, Jake and Ice King travel to the Ice World and break through the large ice dome covering the center of the land. They encounter Carroll (voiced by Cameron Esposito), from "The Tower", who was converted to Ice and is genuinely pleased with her new appearance. The gang eventually encounter a powered up, and rather withheld, Patience who seems disappointed with the outcome of the new Ooo. While she succeeded in empowering the other elementals they have relegated themseleves to their sections of Ooo as Patience had forced them to power up rather than allow them to do so themseleves. The gang rescue Betty and leave while Patience bemoans the new world to an iced Choose Goose. Betty reveals that she can help them with the power of the Enchiridion which Finn has, causing Betty to ominously laugh.
257 5 "Elements Part 4: Cloudy" Elizabeth Ito Graham Falk & Kent Osborne April 25, 2017[72] TBA 0.98
In order to calm Finn down, Jake tucks him and himself into a cloud, but it floats away from Ice King and Betty. The two find themselves floating in the middle of endless sky while another cloud with a door flies past them. The two play pretend barber to pass the time and end up getting to the roots of their worries. The cloud flies past again and discover that it is actually a lard. They use the lard to fly back to Betty and Ice King where the former has discovered a way to return the land of Ooo to normal.
258 6 "Elements Part 5: Slime Central" Elizabeth Ito Hanna K. Nyström & Aleks Sennwald April 26, 2017[72] TBA 0.92
Finn and Jake arrive in the transformed Slime Kingdom to retrieve Slime Princess' crown for her jewel. They run into Lumpy Space Princess who is attending Slime Princess's roller skating party. The winners of the skating competition get absorbed into Slime Princess's whole being while the losers are caged up. Finn, Jake and Lumpy Space Princess enter, but lose, only to learn that by losing they still get absorbed. While Finn manages to grab the crown, Jake gets fully absorbed into Slime Princess forcing Lumpy Space Princess to save Finn, revealing in the process that 'her lumps' protect her from corruption. They are ejected from Slime Princess and forced to leave. Finn is saddened at the loss of Jake, but Lumpy Space Princess explains that Finn and Jake always win which inspires Finn to continue his mission.
259 7 "Elements Part 6: Happy Warrior" Cole Sanchez Sam Alden & Polly Guo April 26, 2017[72] TBA 0.92
Finn, Lumpy Space Princess, and Gunter arrive in a radically altered Fire Kingdom. The inhabitants, which include Wyatt (voiced by Andrew Daly) and Lady Rainicorn, attack the heroes. Finn and Gunter try desperately to restrain their violent tendencies as it would allow the kingdom to corrupt them. Eventually the group find Flame Princess who has transformed into a dragon. When she swallows the jewel necessary to save Ooo, Finn gives into his violence and begins attacking Flame Princess. Lumpy Space Princess angered by the violence yells at everyone to stop their fighting. The kingdom misinterprets her anger and decide to start a war with the Candy Kingdom. Cinnamon Bun, who was unaffected by the corruption, frets that this is the end of Ooo.
260 8 "Elements Part 7: Hero Heart" Elizabeth Ito Seo Kim & Somvilay Xayaphone April 27, 2017[72] TBA 0.90
Lumpy Space Princess chases Finn and attempts to turn him back to normal, but to no avail. Ice King and Betty try to intervene, but are swatted away by Flame Princess. The Fire Kingdom inhabitants 'fight' the Candy Kingdom inhabitants making Lumpy Space Princess upset. After eating some of Marceline, who is made of marshmallows, Lumpy Space Princess reaches out to Finn's hero heart by placing some of Princess Bubblegum onto him. Recalling happier times with PB, Finn returns to normal. PB then fires her candy powers into the air and converts everyone into obedient candy people, except for Finn who was protected by Lumpy Space Princess. Finn nabs the three jewels and gives them to Betty, but she leaves him behind. Finn finds himself surrounded by the Candy Kingdom.
261 9 "Elements Part 8: Skyhooks II" Cole Sanchez Steve Wolfhard April 27, 2017[72] TBA 0.90
Betty knocks out Ice King and reveals that she wants to use the jewels to go back in time and stop Simon from transforming into Ice King. Ice King, still oblivious to her plans accidentally ruins her spell causing her to get transported to Mars where she meets Normal Man. Lumpy Space Princess rescues Finn from the candy inhabitants as Princess Bubblegum enacts her plan to convert the rest of Ooo into candy while Patience freezes herself again. Finn realizes that LSP's immunity means that she is the anti-elemental. Ice King arrives with the gems and Lumpy Space Princess is able to transform all of Ooo back to normal. However, Jake comes back resembling his shapeshifter parent. Despite this, Finn is glad that he is reunited with his brother.
262 10 "Abstract" Adam Muto Graham Falk & Laura Knetzger[73] July 17, 2017 TBA 0.77
Finn, BMO and Lady Rainicorn are slightly disturbed by Jake's new alien appearance while Jake himself seems oblivious, or rather in denial about it. After having a bizarre dream about Jermaine (voiced by Tom Scharpling) painting abstract art, which according to Jake he hates, he decides to go look for him. Jake traverses the wasteland until he comes across Jermaine's studio. He tries to "rescue" Jermaine from changing, but Jermaine convinces Jake that change is a good thing as long as you remain the same on the inside. After examining and taking home one of Jermaine's paintings, Jake discovers that he has returned to normal and is greeted by a very pleased Finn.
263 11 Ketchup Elizabeth Ito Seo Kim & Somvilay Xayaphone July 18, 2017 1042-269 0.67
Marceline is unexpectedly visited by BMO causing the former to ask BMO to download a USB drive. While they wait, BMO tells the story of when it, Finn and Jake traveled the seas. However, the story is mostly inaccurate and involves a cat named Ted and a blue jay that says "OOOOOOHH!" (voiced by J.G. Quintel). Marcy then tells the story of "Lollipop Girl" and "Rock Star Girl" and their encounter with a "Blue Tranch" that resulted in "Weekend Island" getting taken over by potatoes. When the USB drive finally downloads, it reveals pictures of young Marcy with her mother. She feigns knowing them and asks BMO to tell their story resulting in a tale about "the Child and the Moon Girl" which Marcy thanks BMO for.
264 12 "Fionna and Cake and Fionna" Elizabeth Ito Hanna K. Nyström & Aleks Sennwald July 19, 2017 1042-269 0.69
At a Fionna and Cake book reading by Ice King, an old woman claiming to be Fionna (voiced by Charlotte Newhouse) arrives with a tape of an early Fionna and Cake adventure. Ice King is enamored by "Fionna" and invites her to stay with him. At night Ice King watches the remainder of the tape where Fionna and Cake find a mummy (voiced by Chelsea Peretti) only to learn that the mummy is really the Queen of Ooo. Ice King misinterprets the video and thinks that "Fionna" is a mummy. He confronts her and discovers that she was looking for more Fionna and Cake tapes only to find that Ice King doesn't have any. "Fionna" is really a bunny who picked up signals that played Fionna and Cake and wanted more. When she realizes what she has done she flees. Later that night, a mysterious beam containing clips of Fionna and Cake adventures are sent into Ice King's head.
265 13 "Whispers" Cole Sanchez Sam Alden & Polly Guo July 20, 2017 1054-270 0.76
While fishing, Finn and Fern encounter Sweet P who was running away from home after having a nightmare. Sweet P reveals that he has been having visions of a "whisper monster" trying to tell him he is evil. Finn and Fern decide to camp with Sweet P when they encounter the hand of the Lich that was cut off in "Crossover". Finn and Fern fight the Lich's hand, but it escapes. Finn gives chase and follows it into an underground tunnel where he ends up getting rescued by Sweet P (he had knocked out Fern so he could escape) who slays the hand. Fern feeling useless for not being able to help, plots to become the true Finn.
266 14 "Three Buckets" Cole Sanchez Tom Herpich & Steve Wolfhard July 21, 2017 1042-272 0.85
Fern reveals his ability to change his appearance to look just like Finn. Impressed, Finn joins Fern to a dungeon hidden away in a mountain. While there, Fern traps Finn in one of the rooms and reveals his plan to replace him. Finn finds out that his robotic arm can do a variety of things and drills his way out of the dungeon. Finn and Fern fight out in the field where Finn attempts to reason with Fern, however his robot arm misinterprets the word "finality" with "fatality" and he ends up destroying Fern. Finn returns home traumatized with Jake and BMO comforting him. Meanwhile, Princess Bubblegum's Uncle Gumbald (voiced by Fred Melamed) scoops up Fern's still living remains in a bucket.

Season 10: 2017-2018[]

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Written and storyboarded by Original air date Prod.

code [26]

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(millions)

267 1 "The Wild Hunt" September 17, 2017 0.76
Still feeling guilty over Fern's death, Princess Bubblegum tasks Finn to protect the banana guard from a monster later dubbed "the Grumbo". Finn can't bring himself to slay the monster as he keeps seeing Fern's face materialize when he's close to defeating it. Later, Finn meets up with Huntress Wizard (voiced by Jenny Slate) who is also trying to slay the Grumbo and she tries to give encouraging words to Finn. They find the Grumbo's cave and Finn once again stalls. Huntress Wizard puts herself in harm's way and Finn imagines Fern in her place and finally slays the Grumbo. Afterwards, Finn and Huntress Wizard casually admit their feelings for each other and realize that the Grumbo was artificially created. Uncle Gumbald plots to create another monster using the remains of Fern.
268 2 "Always BMO Closing" September 17, 2017 0.76
BMO and Ice King become door-to-door salesmen by posing as one body (Ice King as the body and BMO as the head). After selling a stick to Tree Trunks, the two get lost and end up at the dungeon where Gumbald is staying. They sell him Finn's baby teeth which he happily pays for with a silver cup. Finn is outraged that his baby teeth were sold and is further mortified when Baby Finns made of teeth begin attacking the tree house. Through Ice King's encouragement, BMO "sells" two mallets to Finn and Jake and they successfully defeat the teeth babies. Afterwards, Gumbald admits that his current plan was a bad idea.
269 3 "Son of Rap Bear" September 17, 2017 0.76
While at a party, Flame Princess accidentally signs a contract from Toronto stating that if she loses in a rap battle against Son of Rap Bear (voiced by Dumbfoundead) her kingdom will be forfeited to Toronto. She and Finn go meet Rap Bear (voiced by Rekstizzy) who explains that his son literally blew his legs off, frightening them. Despite training, Flame Princess still feels ill-prepared, and so she visits her father, the deposed Flame King (voiced by Keith David). She attempts to mend their rocky relationship, but much to her frustration, her father seems oblivious to the pain that he caused his daughter. Later, at the rap battle, Flame Princess begins to lose her composure, but after seeing the still-unapologetic Flame King in the crowd, she angrily expresses her frustrations with her father in a rap. The track impresses the crowd, and Flame Princess defeats Son of Rap Bear.
270 4 "Bonnibel Bubblegum" September 17, 2017 0.76
When Finn presents the silver cup from "Always BMO Closing", Princess Bubblegum decides to tell him, Marceline and Jake some more of her history. 800 years ago, a child version of Bonnibel discovers a family photo and decides to create a gum family. She creates Uncle Gumbald, Aunt Molly and Cousin Chicle to help farm the area. However, her family quickly turn on her with the prospect of "branding" their family. Gumbald creates a juice that transforms those into low minded candy people. Bonnibel fights back, transforming them into her eventual candy civilians and deciding on the title of princess. In the present, BMO reveals where it got the cup.
271 5 "Seventeen" December 17, 2017 0.76
At Finn's seventeenth birthday party, held at the Candy Kingdom, Princess Bubblegum, Marceline, Huntress Wizard and BMO present Finn with gifts. Suddenly, the Green Knight (voiced by Brad Neely) arrives and presents Finn with his own gift, an ax that he will reward him with if he attacks him with it. Thinking this is one of Jake's tricks, Finn beheads the Green Knight only for Jake to arrive and the Knight challenges him to a battle by blocking him from his friends. Finn accepts and the two play 2/3 with the party games held at the castle. While arm wrestling, the Knight reveals himself to be a revived Fern who makes short work of Finn. He is stopped by Gumbald, Lolly and Chicle who were returned to their original form by Lumpy Space Princess transforming Ooo at the end of Elements. The trio and Fern leave as Finn is devastated by his loss.
272 6 "Ring of Fire" December 17, 2017 0.76
Tree Trunks gets a call from her old flame Randy (voiced by David Herman) who wants his old ring back to propose to his new girlfriend. In flashback, Randy proposed to Tree Trunks after graduating high school. Immediately afterwards, Tree Trunks left him and became a pirate on the sea where she met and married Danny (voiced by Raza Jaffrey). She breaks up with him due to him lying to her and she moves on to becoming a CEO to a shipping company. She marries her employee Wyatt, but due to his clinging attitude breaks up with him and he flees with the ring. Mr. Pig, who followed arrives as does Wyatt who still has the ring. Randy gets it back and Tree Trunks and Mr. Pig reaffirm their love.
273 7 "Marcy & Hunson" September 17, 2017 0.76
Peppermint Butler gives Finn a new sword, the Night Blade. However, he also summons Hunson Abadeer. Peppermint Butler allows Hunson to roam the earth for one day and is restrained from using his powers. Finn and Jake take him to Marceline who is once again annoyed at her father's ignorance. When Finn and Jake let slip that Marceline has a solo concert for ghosts, Hunson forces his way in. Marceline gives her performance, but it is interrupted by Hunson's interference. Chicle, who has been following them, instigates a ruckus with the ghosts who proceed to beat up a weakened Hunson. Marceline is also powerless from stopping them, but Finn's new sword saves them. The group escape and meet with Princess Bubblegum and Marceline and Hunson make up.
274 8 "The First Investigation" December 17, 2017 0.76
Kim Kil Whan sends Finn and Jake to Joshua and Margaret's old office after one of his employees get frightened by something. Finn and Jake witness strange ghosts and other sightings as objects move around. Finn suddenly sees baby versions of himself, Jake and Jermaine and gives Jake a wet willy (earlier Jake claimed that Finn had given him one years ago and he denied it). Realizing that the ghosts are time remnants, Finn tries to look for the source while Jake accidentally scares Kim's employee and sees his own birth from "Joshua and Margaret Investigations". They discover that one of Dr. Gross' experiments, Time Bear, had been behind it and fix him with Finn leaving a note for past Joshua and Margaret. While outside, Jake meets his alien parent, is turned blue and taken away leaving a note for Finn that reads "BRB-Jake".
275 9 "Blenanas" March 18, 2018 TBA
Bummed about Jake being gone, Finn reads an issue of Ble Magazine and comes across a doodle of a caveman with his leg getting bit by a dog while a psychiatrist sits next to him. Finn writes "Ouch! Hey this isn't helping at all!". He shows it to BMO and Princess Bubblegum, but neither get it. Finn shows it to Ice King who reveals that he wrote to Ble Magazine to have his stories published, but they never were. They find the building guarded by a passive pudding troll and discover that the building has been abandoned for years. They decide to publish a new issue with the joke, but the pudding troll does not get it either. Finn comes to terms with the possibility that he just is not funny, but upon returning home he slips on some banana peels, rips his pants and crashes into a message chair. BMO and NEPTR laugh as Finn smiles.
276 10 "Jake the Starchild" March 18, 2018 TBA
Immediately after "The First Investigation", Jake is taken by his dying alien parent, Warren Ampersand, to his home planet and discovers he that must defeat an evil alien to save the inhabitants. Warren gives Jake a special belt while he wears one himself. As Jake uses his stretching powers, he becomes weaker and Warren becomes younger, revealing that the belts drain Jake's youth and energy. When Warren reveals his scheme as well as the fact the planet and evil alien are not real, Jake switches the belts and tricks Warren into giving his powers and youth back. Warren then tries to escape back to Earth after learning that Jake has children he could siphon from, but Jake tosses him into a black hole, leaving him stranded on the now empty space rock.
277 11 "Temple of Mars" March 18, 2018 TBA
Finn is visited by Jermaine who reveals that Jake is in space and that they must rescue him. They head to Mars where Normal Man, now King Man, has Betty doing labor to "cure" her. King Man has them enter a cave to search for a device to save Jake and encounter various puzzles. Eventually, they come across Past Betty who was to go on a trip in a week, but met Simon changing her plans. Finn and Jermaine tell her that Betty needs to think about herself and she "changes" her past so that she left that day instead of in a week. The cave turns out to be the device and they are reunited with Jake. However, Betty tells King Man that seeing Finn retrieve Jake has only increased her interest in rescuing Simon; she declares that she now has a plan to not only save Simon, but also retrieve Margles from GOLB, which frightens King Man.
278 12 "Gumbaldia" March 18, 2018 TBA
As Princess Bubblegum prepares for war with Gumbald, Finn and Jake decide to pay him a visit so as to prevent it from happening. They meet with the Gum Family who are hellbent on wanting to destroy PB. However, when Finn saves Gumbald from falling, the family come on good terms with Finn and Jake and sign a peace treaty. Before leaving, Finn and Jake are doused with celebratory juice. When they get back to the Candy Kingdom, the juice turns out to be dumdum juice and turns Peppermint Butler into a baby. With no other option, PB sets to go to war with her uncle. Gumbald learns of PB's survival and gathers many past villains throughout the series, including a confused Ice King, and prepares for the Gum War.
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"Come Along with Me" September 3, 2018 TBA
Part 1: In the far distant future, Shermy (voiced by Sean Giambrone) and Beth the Princess Pup (voiced by Willow Smith) run around in the long dried remains of Ooo. They encounter Finn's robotic arm and decide to take it to the King of Ooo, who turns out to be BMO, and he tells them of the Great Gum War. Just before the war starts, Finn and Jake try to convince Princess Bubblegum to reconsider after seeing Normal Man, Betty and Maja doing some kind of spell. Marceline also questions PB's motives, but Gumbald's constant spying pushes her to go forward. Just as the battle is about to begin, Finn has another idea and he Jake, PB, Gumbald and Fern attempt to have a civil discussion. When that does not work, Jake tosses the nightmare juice from "Orb" and they all get knocked unconscious.

Part 2: In the dream world, Gumbald abandons Fern, who begins fighting Finn, while he attempts to wake himself up, but is stopped by PB. Gumbald and PB switch places and begin seeing things from each other's perspective. Fern refuses to believe that Finn has suffered pain, so Jake ventures into Finn's subconscious to fetch his vault. Finn comes face to face with the grass demon and destroys it, freeing Fern from its influence, while PB and Gumbald make up. They all wake up, but Aunt Lolly transforms Gumbald with the dum dum juice because he "was never the epiphany type". As they settle on two candy kingdoms, a worried Normal Man arrives with GOLB appearing behind.

Part 3: GOLB sends his monsters out to attack the heroes as Normal Man tries to get Ice King to talk to Betty who is in a trance. While almost successful, Betty's rude awakening causes Maja to explode and she and Ice King are eaten by GOLB with Finn jumping in after them and losing his robot arm. As they are slowly being digested, Ice King becomes Simon and he and Betty make up. Outside, the heroes try battling the monsters and an infected Gumball Guardian with Marceline transforming into a giant beast and takes down one of them. Afterwards, she and PB confess their love for each other. Everyone else is critically injured leaving Jake to try and take down the Gumball Guardian, but he is too late to save the tree house.

Part 4: BMO consoles Jake with a song and they discover that it is enough to scare away the monsters and they get everyone to sing. Inside GOLB, Finn, Simon and Betty hear and an exit forms, but Betty stays behind when Ice King's crown activates. She tries to wish GOLB away, but it does not work and she instead wishes for Simon to be safe. Outside, everyone watches as the monsters disappear and GOLB gains a humanoid form and departs. Fern finally disintegrates and Finn plants his seed at the tree house's remains where a new tree immediately grows. BMO finishes his story as Shermy and Beth leave and realize that they know where the Fern tree is. The final scene has the Music Hole singing "Come Along With Me" while a montage of all the characters and their fates are shown. Shermy and Beth climb the tree, find the Finn Sword and recreate the familiar Finn and Jake pose from the intro.

Shorts[]

This short was first officially released on the season one DVD.

No. Title Written by Original air date
1 "The Wand" Tom Herpich July 10, 2012
Finn and Jake must team up with the Ice King to stop a misbehaving wand.

"Graybles Allsorts" shorts[]

These were referred to as "Graybles Allsorts" by the Adventure Time production staff, and they were released on CartoonNetwork.com between July 6 and November 1, 2015.[258]

No. Title Directed by Written by Original air date Prod.

code 

1 "All's Well That Rats Swell" Andres Salaff Steve Wolfhard July 6, 2015 1025-204A
BMO discovers a rogue rat in the Tree House's flour and attempts to drive off the creature.
2 "Have You Seen the Muffin Mess" Andres Salaff Steve Wolfhard August 3, 2015 1025-204B
Jake and Finn assist Princess Bubblegum in attempting to stop a muffin-based plague.
3 "Sow, Do You Like Them Apples" Andres Salaff Geneva Hodgson October 1, 2015 1025-204D
Ice King and Marceline are hungry for a snack.
4 "The Gift That Reaps Giving" Andres Salaff Polly Guo November 1, 2015 1025-204C
Death (voiced by Miguel Ferrer) tries to make a mixtape for his girlfriend, Life (voiced by Hynden Walch).

"Frog Seasons" shorts[]

These were advertised as "Adventure Time shorts"; the first four aired on Cartoon Network between April 2, 2016 and April 23, 2016, and the final was released exclusively online.[259][260]

No. Title [261] Directed by  Written by Original air date Prod.

code [262]

1 "Frog Seasons, Spring" TBA Hanna K. Nyström April 2, 2016 1034-229A
2 "Frog Seasons, Summer" TBA Adam Muto April 9, 2016 1034-229B
3 "Frog Seasons, Autumn" TBA Hanna K. Nyström April 16, 2016 1034-229C
4 "Frog Seasons, Winter" TBA Adam Muto April 23, 2016 1034-229D
5 "Frog Seasons, Spring (Again)" TBA Hanna K. Nyström September 2, 2016 1034-229E


Special[]

On November 17, 2017, it was announced that a bonus episode entitled "Diamonds and Lemons" would be produced by Microsoft's gaming studio Mojang and air sometime in the summer of 2018. The episode will be based on the sandbox video game Minecraft.

No. Title Written by Original air date
1 "Diamonds and Lemons" Hanna K. Nyström & Anna Syvertsson July 20, 2018
Finn and his friends experience setbacks and creative triumphs in a fantastic new vision of Ooo.
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