When reporter April O'Neil does a story on Professor Perry, and his efforts to uncover a certain toxic waste, the evil Shredder concludes that this is what gives the turtles their power, gets his hands on some and proceeds to create dangerous mutants. Armed with Professor Perry's anti-mutant... When reporter April O'Neil does a story on Professor Perry, and his efforts to uncover a certain toxic waste, the evil Shredder concludes that this is what gives the turtles their power, gets his hands on some and proceeds to create dangerous mutants. Armed with Professor Perry's anti-mutant antidote, it's up to the crime fighting turtles and a pizza delivery boy to conquer these mutants.

Info on Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991) at Rotten Tomatoes and at IMDB

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Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
Part 7
Part 8
Part 9
Part 10