The Newtralizer returns to New York City more powerful than ever before and joins forces with a dangerous, yet unexpected ally. With the help of Mona Lisa, the Turtles fight back to defend their city.

Cast: Seth Green, Sean Astin, Greg Cipes, Rob Paulsen, Mae Whitman, Kelly Hu, Brian Bloom, Keith David, Scott Menville, Kate Micucci, Nolan North, Cassandra Peterson, Peter Stormare, Danny Trejo, Zelda Williams