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

Actor:

Greg Eagles , Richard Steven Horvitz , Grey DeLisle

Quality:

HD

Status:

Ended

First Air:

2001

IMDb:

8.1