Underfist: Halloween Bash (2008)
Irwin, Hoss Delgado, Jeff the Spider, Fred Fredburger, and General Skarr from the "Grim Adventures of Billy and Mandy" team up to fight an evil candy army from the Underworld on Halloween.
- Released
- 2008-10-12
- Genres
- Action, Comedy, Family, Fantasy, Animation, TV Movie, Adventure, Horror
- Runtime
- 61 min
- Status
- Released
- Directed / written by
- Shaun Cashman, Maxwell Atoms
- TMDB rating
- 7.4/10 from 18 votes
Cast
- Grey DeLisle as Mandy / Aunt Sis / Kid / Ike (voice)
- Greg Eagles as Grim / Sperg / Giant Candy Bar (voice)
- Richard Steven Horvitz as Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
- Vanessa Marshall as Irwin / Hoss's Mom (voice)
- Diedrich Bader as Hoss Delgado (voice)
- Armin Shimerman as General Skarr / Candy Skeleton / Rat / Creepy Gnome (voice)
- C.H. Greenblatt as Fred Fredburger (voice)
- Maxwell Atoms as Jeff the Spider (voice)
- Phil LaMarr as Dracula / Grandmama / Bougersnatch (voice)
- Rachael MacFarlane as Mindy (voice)
- Dave Wittenberg as Bun-Bun / Trick-or-Treater Eater #1 / Jimbo (voice)
- Dan Gilvezan as Confic / Humicun (voice)
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