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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.

Director
Producers
Studio
Cartoon Network Studios, Cartoon Network Movies
Original Title
Underfist - Halloween Bash
Underfist: Halloween Bash on the Web

The Grim Adventures of Billy and Mandy Collection

Billy and Mandy are a mismatched pair of youngsters who befriend the Grim Reaper after winning a limbo contest against him. Since the Grim Reaper lost, he has to be their friend, and the three go on a...

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