S1, E5: Me-ow-ark! Dr Claw has disguised MADcat as the world’s oddest dog in an attempt to hypnotize and enslave the world’s dogs, starting at the prestigious Dog and Boney show. Gadget is sent in undercover as a Dog Show judge, a job he takes a little too seriously. AND Dr Claw has created a serum capable of turning harmless apples into vicious, JUICY monsters! Chief Quimby gets wind of it and dispatches Gadget and Penny to investigate.