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Episode Details: Big Trouble in Billy's Basement
Big Trouble in Billy's Basement
Series: The Grim Adventures of Billy and Mandy
Season: Season 1
Episode Number: 20
Air Date:
Duration: N/A min
After taking the Underworld's "Bad Book" from Grim, Billy becomes possessed by an evil entity. Then, Billy steals Grim's scythe, and uses it to open a portal to summon Yog-Sothoth. In consequence, Mandy calls for Hoss Delgado to battle Billy. It is revealed that the portal can only be sealed by throwing the book into it. As Billy eats the book, Mandy throws Billy himself into the portal, restoring everything to normal. Instants later, a portal opens up and Billy comes out and says they didn't want him there.
Cast and Guests
Robert Alvarez
Director
Christopher McCulloch
Storyboard Artist
Diedrich Bader
Hoss Delgado (voice)