Billy & Mandy's Jacked-Up Halloween
Jack, a headless prankster from Grim's past, uses Billy to steal Grim's scythe so he can destroy Grim and take over the world with demons from the Netherworld.
Genres: Adventure, Animation, Comedy, Horror
Directors: Juli Murphy, Robert Alvarez
Writers: Brett Varon, Maxwell Atoms, Paul McEvoy
IMDB: tt0592979