The Grim Adventures of Billy and Mandy
The Grim Adventures of Billy and Mandy
Runaway Pants #S04E19
Runaway Pants
The Grim Adventures of Billy and Mandy · Season 4, Episode 19
At school it is time for the "Presidents Fitness Test", but Billy is absolutely unfit for exercise. On the other hand, Nergal Junior uses his shape-shifting powers to become fit at will and excel in every test. Billy asks Junior to transform into a pair of pants that he can wear, so he can run fast and win the 50-meter race. Since Junior has never attempted to transform into inanimate objects he cannot stop running and cannot revert to his human form. Billy keeps running forever while he becomes a national sensation known as the "Fitness Lad". It is revealed that the story was just all a fabrication created by the narrator, who parodies The Twilight Zone.
Episode 19 of Season 4 from The Grim Adventures of Billy and Mandy — available to stream in HD on any device.
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