Kim Possible and her best friend, Ron Stoppable, find new meaning in the phrase 'gone bananas' when they discover the truth about world-famous scholar Lord Monty Fiske. The nobleman's obsession with something called Monkey Kung Fu has led him to spend the family fortune on costly surgery. Now he's Lord Monkey Fist, a chimp with attitude. Can Kim and Ron stop him? Or will the whole world end up in his mutant monkey grasp?