
Mutant heroes live in New York sewers and train in martial arts to protect the city from crime.

Michelangelo sets out to rescue the other Turtles after they are captured by an evil scientist.

When Donatello earns his degree and asks Irma to go in his place, he discovers a plot by professor Philo Sopho to destroy the Earth.

Krang and Shredder use Krang's new transdimensional portal to access their armies and resources.

The Turtles discover that the Shredder is behind a string of cuff link thefts.