Billy & Mandy's Big Boogey Adventure
When the Boogey Man causes Grim to lose his powers, rank, and title in the Underworld Court for misusing his powers, he plots to seek out Horror's Hand and take over the world. It's up to Billy, Mandy, Irwin, and Grim to get to Horror's Hand before the Boogey Man does.
Underfist: Halloween Bash
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.
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Robert Alvarez
Director
Maxwell Atoms
as
I'll Cut You Guy / Pirate #2 / Horrorbot / Burnt Skeleton Guard
Lauren Tom
as
Numbuh Three
Phil LaMarr
as
Space Villain / Glacier of Evil / Dracula / Judge Roy Spleen / Underworld Cop
Martin Jarvis
as
Nergai / Police Officer / Tarvis
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