The Grim Adventures of Billy and Mandy - Season 0 Episode 3 Underfist: Halloween Bash
Billy, Irwin and Mandy go trick-or-treating on Halloween, and an evil marshmallow bunny attacks children with chocolate beasts.
- Genre: Animation, Comedy, Kids
- Studio: Cartoon Network
- Keyword: grim reaper, spin off
- Cast: Greg Eagles, Richard Steven Horvitz, Grey DeLisle, Vanessa Marshall
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