The Grim Adventures of Billy & Mandy

Puddle Jumping (4x18)

Air date: Jun 27, 2005

When Billy jumps into a supernatural puddle (a Cosmic Sinkhole, according to Grim), it takes him to the home of Granny Applecheeks, who wants to bake him into a pie. It's up to Mandy and Grim to save him, if the puddle can take them to right place.