The Grim Adventures of Billy & Mandy Season 4 Episode 10
“Zip Your Fly”
Billy and Mandy find a supernatural zipper from Grim’s robe, and while Billy uses it to create mischief, Mandy gets herself in a sticky situation.
“Puddle Jumping”
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 is up to Mandy and Grim to save him if the puddle can take them to the right place.
Episode Title: Zip Your Fly / Puddle Jumping
Air Date: 2005-07-01