Format Animated series
Created by Maxwell Atoms
Starring Diedrich Bader
Vanessa Marshall
Maxwell Atoms
C. H. Greenblatt
Armin Shimerman
Grey DeLisle
Richard Steven Horvitz
Greg Eagles
Dave Wittenberg
Rachael MacFarlane
Phil LaMarr
Greg Ellis
Dan Gilvezan
Jess Harnell
Martin Jarvis
Country of origin United States
No. of seasons 1
No. of episodes 1 (List of Episodes)
Running time 22 minutes (planned)
Original channel Cartoon Network
Original run October 12, 2008 (2008-10-12)
Status Ended

Underfist: Halloween Bash was a spin-off of The Grim Adventures of Billy & Mandy. It aired on October 12, 2008. The series would have continued had Atoms contract not expired.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.