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52
The turtles find out where the Ooze, the substance which made them mutate, came from. Unfortunately Shredder learns about it too, and uses it to enhance himself. So the turtles have to prove again who's the better ninja fighter.
Frank Welker
Rahzar / Tokka
David Warner
Professor Jordon Perry
François Chau
Shredder
Kevin Clash
Splinter