Episode Title:Battle for New York Part 1 & 2.Episode Description:Battle for New York Part 1: When the Turtles encounter a Kraang resistance team of mutants called "the Mighty Mutanimals" (consisting of Slash, Leatherhead, Dr. Tyler Rockwell's monkey form, and Pigeon Pete and backed by Jack J. Kurtzman), Leo and Slash butt heads over how to carry out a mission when Kraang Sub-Prime leads the Kraang in a plot to mutate the entire Earth with a giant mutagen-filled missile.
Battle for New York Part 2: Working together alongside the Mighty Mutanimals, the Turtles must brave the bizarre, upside-down world of Dimension X to bring home the enslaved people of New York while fighting Kraang Sub-Prime and Mrs. Campbell.