The Grim Adventures of Billy and Mandy

Season 1 Episode 20: Big Trouble in Billy's Basement

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!

Genre:

Animation, Comedy, Kids

Seasons:

7

Episodes:

184

Cast:

Greg Eagles, Richard Steven Horvitz, Grey DeLisle

Quality:

HD

Duration:

11 min

First Air:

2001

Rating:

8.1