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

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

Irma accidentally becomes gigantic and her naturally clumsy nature makes her a danger to the city.

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?

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

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.

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.

A 14-year-old boy tries his best to help out the Turtles, but with some not so optimal results.

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.

Emperor Aleister of Malicuria comes to New York City, bringing along a shard of Lydium 90 to the USA.

A robot warrior arrives from 400 years in the future in 20th-Century New York.