Billy & Mandy's Big Boogey Adventure
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When Grim (voice of Greg Eagles) is brought to trial in the Underworld and stripped of his powers, he must find the Hand of Horror to restore his skills, but the Boogey Man is already in hot pursuit of it. Other voices include George Segal; Fred Willard; Billy West; Armin Shimerman.

Critic Reviews from Rotten Tomatoes

"Gruesome, goofy cartoon movie better for tweens+."
‑ Nancy Davis Kho, Common Sense Media
More reviews for Billy & Mandy's Big Boogey Adventure on Rotten Tomatoes