It's non-stop action as the Teenage Mutant Ninja Turtles battle against Shredder's new assassin, a new Kraang plot, a new mutant enemy, and a master thief! Plus, Leo defies Splinter, April is kidnapped, the Turtles enter a bizarre new realm and more.

The Manhattan project -- Mazes & mutants -- The lonely mutation of Baxter Stockman -- Newtralized! -- The wrath of tiger claw -- Pizza face -- The legend of the kuro kabuto -- Plan 10 -- Vengeance is mine -- A Chinatown ghost story -- Into dimension x! -- The invasion.