Teenage Mutant Kungfu Turtles

The Teenage Mutant Ninja Turtles have lost their groove; crime is all around them, but they are uninspired to stop it. Who should they stumble upon but a Panda with a particular tool they could add to their black belts. Will the Turtles be inspired by Kung Fu? Or will it be too hard to get them out of their pizza boxes? Who will save the day?