The Shredder thinks he's Michaelangelo after a computer malfunction.

The personalities of Shredder and Splinter are switched when a device is accidentally activated during a battle between the Turtles and their enemies. As Shredder plans the Turtles' demise and Splinter plans on how to get back to his body, everyone else is clueless.

An eager vigilante is causing a stir in the city, while Krang and Shredder take control of all the machines in the city. Maybe this new 'hero' can help the Turtles.

Leatherhead has come to the city searching for the Turtles. While crawling through the sewers he encounters the Rat King who charges him with trespassing.

After several setbacks, Shredder and Krang steal all of New York's electricity and charge it into a giant transdimensional gateway, designed to send Earth into Dimension X. The Turtles must defeat their enemies once and for all before Earth is destroyed by Krang's Rock Soldier army.

The Turtles learn the cost of slacking off when Splinter is badly hurt during a confrontation with Shredder.

Krang's computers detect an alien metal on the surface of the Earth. Krang sends Shredder, along with an Alien Metal Detector, to the surface to find it.

High ranking corporate executives are kidnapped by men in business suits. The Turtles don't get involved until they learn that one of these corporations is the world's largest suppliers of pizza.

Michaelangelo gets a job as a pizza delivery boy. But who's his new boss?

The Turtles are frustrated that they let Shredder slip away from them again. They feel like giving up, and wish they had never been born.

Gangsters are swiping all the antiques in town. And when they swipe most of our heroes, it's up to Donatello and April to find out why. Could Shredder be behind this?

Thompson assigns April to research the growing rat infestation. She is pursued by an army of rats and escapes on a passing city bus.

Dinosaurs invade the Big Apple. Befriending a young diplodocus the Turtles trace the invading dinosaurs to their source finding a lost world.

Full of self doubt, Leonardo leaves the team. Michaelangelo, Raphael, and Donatello all take turns being leader as they try to figure out why the sun is getting smaller.

Shredder and Krang produce hi-tech versions of Rocksteady and Bebop to keep the Turtles busy.

It's Michaelangelo's birthday, but none of his brothers seem to remember, and it frustrates him greatly.

The intentions of the Ninja Turtles are put to the test when a controversial TV-figure portrays our heroes as menaces to society.

The Turtles go flying when the Shredder invents a gravity-altering device.

Still searching for a way to destroy the Turtles, Krang develops a super pump that he intends to use to flood the sewers.

While Raphael is reliving the past, via the Turtles' photo album, their frog friends in the Florida Swamps are being terrorized by a mutant alligator known as Leatherhead.

A rabbit ronin warrior from an alternate dimension is lost in our world. While the Turtles help him adjust, Shredder steals a dragon egg to unleash it on the city.

An interdimensional alien spacecraft leads Baxter Stockman to his latest vengeful plot to destroy the Turtles and Shredder.

The Technodrome is up and running again, and it is up to the Turtles to hinder Shredder and Krang from getting to the surface.

In the middle of a summer heat wave, someone is destroying all the air conditioners and taking all the city's freon. In the meantime, Vernon and Burne go looking for the Turtles, but find something else.

Baxter Stockman returns for revenge against the Turtles and Shredder, while our heroes attempt to stop Shredder's plan to siphon water from an underground reservoir.