Recently installed into a new body provided by his "good friend" President Bishop, a chipper Stockman finds himself anxious to begin his new life as one of the "good guys" and invites himself along to an intergalactic Science Expo with the Turtles. But when they get stranded on a hostile planet by the TriShreddatron, Stockman must choose between rejoining the Shredder and helping the Turtles survive.
