The Turtles are on a visit to the zoo, so that Dr. Jane Goodfellow can give veterinary treatment to Michelangelo's pigeon friend Pete. After the examination, Michelangelo sets off on his own while the other Turtles head home. However the other three turtles get kidnapped by robots created by Dr. Lesseau. The robots take the TMNT to an island near the zoo where Dr. Lesseau is awaiting their arrival. Dr. Lesseau is a scientist who is using his robots to steal animals from the zoo. He is experimenting on them to create a single animal with the best traits of all animals combined to conquer the world with. The mad Doc wants the Turtles for their brains.