Billy & Mandy's Big Boogey Adventure (2007)
- HD 1080
- Runtime: 80m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Sue Perrotto, Kris Sherwood, Matt Engstrom, Eddy Houchins, Shaun Cashman, Russell Calabrese, Phil Cummings, Gordon Kent, Michel Lyman, Christine Kolosov, Robert Alvarez, Juli Murphy
- Stars: Richard Steven Horvitz, Grey DeLisle, Greg Eagles, Vanessa Marshall, Maxwell Atoms
- Production_studio: Cartoon Network Studios
- The Billy & Mandy's Big Boogey Adventure is featured in the top rankings of 2007
- #14 in Top Animation of 2007
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.