Leonardo, Donatello, Raphael, and Michelangelo are back in the classic final season that pits turtles from the past and present against the evil Lord Dregg and his minions. Determined to enslave mankind, Dregg will stop at nothing to win - causing a piece of the sun to crash into Earth, opening a giant portal to pull the planet into Dimension X, and even draining the life energy from the Teenage Mutant Ninja Turtles!