Season two starts off with a bang in the premiere episode, "The Mutation Situation". In the episode, the Turtles discover that the alien Kraang survived their previous showdown and now have dropped mutagen canisters all over NYC. Throughout the season, the Turtles' mission is to recover the canisters before more mutants can be created. Meanwhile, the Kraang and Shredder have united to put an end to the Turtles once and for all, which results in some very scary characters coming after the brothers. With Casey Jones' help, the Turtles take on some of the most bizarre and dangerous villains they have ever seen, all the while trying to unravel the mystery regarding April O'Neil and her importance to the Kraang.
Season two stars Sean Astin ("Lord of the Rings") as Raphael, Rob Paulsen ("Planet Sheen") as Donatello, Greg Cipes ("Teen Titans") as Michelangelo, Jason Biggs ("Orange is the New Black") as Leonardo, Mae Whitman ("Parenthood") as April O'Neil, Hoon Lee ("Royal Pains") as Master Splinter and Kevin Michael Richardson ("Penguins of Madagascar") as Shredder. Joining the cast will be Josh Peck ("Drake & Josh") as TMNT fan-favorite Casey Jones, a teenage hockey player with a rebellious attitude and a lust for cracking down on bad guys, and Corey Feldman ("The Goonies") reoccurs as Slash.
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