The original Teenage Mutant Ninja Turtles film was released, establishing the franchise that would lead to Teenage Mutant Ninja Turtles II: The Secret of the Ooze.
The original Teenage Mutant Ninja Turtles comic book series was created by Kevin Eastman and Peter Laird, which later inspired the films and animated series.
The Turtles learn about the secret ooze responsible for their mutation and its potential for harm if it falls into the wrong hands.
Shredder breaks out of prison and begins plotting to obtain more mutagenic ooze to create powerful mutants.
Shredder uses the new ooze to mutate two dangerous creatures, Tokka and Rahzar, to battle the Turtles.
The Teenage Mutant Ninja Turtles fight against the new mutant threats created by Shredder's ooze experiments.
April is kidnapped by Shredder as bait to lure the Turtles into a trap for the ooze.
The Turtles discover the origin and nature of the mutagenic ooze and develop a plan to stop Shredder permanently.
The Turtles engage in a decisive battle with Shredder and his mutants to stop his plan and rescue April.
Shredder is defeated; the ooze is destroyed to prevent further misuse, restoring peace.
