The Hole Idea.A scientist, Professor Calvin Q. Calculus, successfully creates a portable hole invention, despite disapproval from his nagging wife. He displays his creation in a newsreel, showcasing the various uses for a portable hole: Rescuing a baby from a safe, cheating at your golf game, and giving dogs a new place to bury their bones. Spurred by the film, a thief steals Calvin's portable hole and uses it for criminal purposes, including emptying Fort Knox and abducting a dancing girl from a burlesque house. However, he is chased by the police until he is backed against a wall; he uses the last portable hole in the briefcase to go through the wall and seemingly escape, but it's revealed that the other side is inside a prison...