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.
Directed By
Robert Alvarez, Russell Calabrese, Written By
Nina Bargiel, Jeremy J. BargielStudio
Cartoon Network StudiosWatch on these services
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Cast of Billy & Mandy's Big Boogey Adventure
Billy & Mandy's Big Boogey Adventure Reviews