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.

  • Original title: Underfist: Halloween Bash
  • Release date: Oct. 12, 2008
  • Status: Released
  • Genres: Action, Comedy, Family, Fantasy, Animation
  • Runtime: 1h 1min
  • Producers: Cartoon Network Studios


Grey DeLisle Photo
Grey DeLisle

Mandy / Aunt Sis / Kid / Ike

Greg Eagles Photo
Greg Eagles

Grim / Sperg / Giant Candy Bar

Richard Steven Horvitz Photo
Richard Steven Horvitz

Billy / Harold / Pumpkin / Trick-or-Treater Eater

Vanessa Marshall Photo
Vanessa Marshall

Irwin / Hoss's Mom

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