

“Witness The Unspeakable! Billy and Mandy Encounter The Space Invaders”
Alien werewolves from the Moon attack Earth and steal all the cheese. It's up to Mandy, Grim, Billy, and Sperg to stop the alien ploy.
Part of a collection
Cartoon Network Invaded Collection
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Alien werewolves from the Moon attack Earth and steal all the cheese. It's up to Mandy, Grim, Billy, and Sperg to stop the alien ploy.
DirectorsRussell Calabrese,Juli Murphy,Kris Sherwood