The Grim Adventures of Billy and Mandy · SEASON 1

Big Trouble in Billy's Basement

Episode 20 · 2002-10-11

★ N/A
The Grim Adventures of Billy and Mandy poster
Season 1Episode 20★ N/A/10
  • Animation
  • Comedy
  • Kids

Episode overview

Billy steals Grim’s “bad book” and accidentally brings about the beginning of an apocalypse. Hoss Delgado returns to lend a hand as Grim and Mandy try to stop Billy from bringing existence to an end!

Season 1 episodes