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

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.

A mysterious young man requests to be trained under Master Splinter's guidance.

A power surge causes the release of Tempestra, and it's up to Leonardo to stop her.