The Grim Adventures of Billy and Mandy (2001) Season 5 is the fifth installment of the popular animated television show created by Maxwell Atoms that continues to follow the bizarre and macabre ...

Billy and Mandy tell Grim it is "Opposite Day" and that, when they say something, they really mean the opposite.

To make the tree happy, Mandy and Grim set out to trade the stolen belongings for a highly-valued Mickey Munchle baseball card, which is worth eleventy million dollars.