Teenage Mutant Ninja Turtles — Episode 6: When Worlds Collide (2)

You are watching the episode When Worlds Collide (2) The Newtralizer returns to New York City, more powerful than ever before, and joins forces with a dangerous and unexpected ally. With the help of Raphael's Salamandrian girlfriend, Mona Lisa, the Turtles fight back to defend their city.