Gadget & the Gadgetinis - Season 1 Episode 19 Unpleasant Island
Overview: WOMP is broke so Gadget is entered into a TV survival show with a $10,000,000 grand prize. The problem is the other contestants on the island (the superstrong Mountain Momma, the slime monster Swamp Man and the feral Rat Boy) were specially recruited by MAD to destroy Gadget during the show's extreme stunts and make it look like an accident.