Underfist: Halloween Bash
2008, English. Directed by Shaun Cashman.
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.
- Runtime
- 1h 1m
- Post-credits
- None listed
- Language
- English
- Rated
- Check local
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Where to watch Underfist: Halloween Bash
Underfist: Halloween Bash isn’t streaming on any OTT platform in India yet; it released on 12 October 2008.
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The Grim Adventures of Billy and Mandy Collection
Part of a series
The Grim Adventures of Billy and Mandy: watch order
Cast & crew
- Shaun CashmanDirector
- Grey DeLisleMandy / Aunt Sis / Kid / Ike (voice)
- Greg EaglesGrim / Sperg / Giant Candy Bar (voice)
- Richard Steven HorvitzBilly / Harold / Pumpkin / Trick-or-Treater Eater (voice)
- Vanessa MarshallIrwin / Hoss's Mom (voice)
- Diedrich BaderHoss Delgado (voice)
- Armin ShimermanGeneral Skarr / Candy Skeleton / Rat / Creepy Gnome (voice)
- C.H. GreenblattFred Fredburger (voice)
- Maxwell AtomsJeff the Spider (voice)
- Phil LaMarrDracula / Grandmama / Bougersnatch (voice)
- Rachael MacFarlaneMindy (voice)
- Dave WittenbergBun-Bun / Trick-or-Treater Eater #1 / Jimbo (voice)
- Dan GilvezanConfic / Humicun (voice)
Details
- Released
- 12 October 2008
- Original title
- Underfist - Halloween Bash
- Country
- United States of America
- Written by
- Maxwell Atoms
Check ratings elsewhere
News & fan talk
Watch before Underfist: Halloween Bash
In release order. The films it follows, and anything it builds on.
If you liked Underfist: Halloween Bash
The Grim Adventures of the Kids Next Door
2007 · 7.2/10
Worth the HypeRecommended by TMDB viewers
Billy & Mandy's Big Boogey Adventure
2007 · 7.5/10
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Codename: Kids Next Door: Operation Z.E.R.O.
2006 · 8.0/10
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2013 · 6.6/10
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Marvel Rising: Secret Warriors
2018 · 6.4/10
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Scary Godmother: Halloween Spooktakular
2003 · 7.2/10
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Underfist: Halloween Bash: quick answers
What should I watch before Underfist: Halloween Bash?
Watch Billy & Mandy's Big Boogey Adventure (2007) and Billy & Mandy: Wrath of the Spider Queen (2007) first.
Is Underfist: Halloween Bash worth watching?
Underfist: Halloween Bash doesn’t have enough ratings for a verdict yet.
How long is Underfist: Halloween Bash?
Underfist: Halloween Bash runs 61 minutes (1h 1m).
Does Underfist: Halloween Bash have a post-credits scene?
None is listed for Underfist: Halloween Bash. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Underfist: Halloween Bash parents guide: is it suitable for kids?
No age rating is listed for Underfist: Halloween Bash yet.
Which OTT platform is Underfist: Halloween Bash on?
Underfist: Halloween Bash isn’t streaming on any OTT platform in India yet; it released on 12 October 2008. (Checked 9 November 2026.)
What movies are like Underfist: Halloween Bash?
If you liked Underfist: Halloween Bash, try The Grim Adventures of the Kids Next Door, Billy & Mandy's Big Boogey Adventure, Codename: Kids Next Door: Operation Z.E.R.O..
Who directed Underfist: Halloween Bash?
Underfist: Halloween Bash (2008) was directed by Shaun Cashman and stars Grey DeLisle, Greg Eagles, Richard Steven Horvitz.