Splinter is contacted telepathically by his sensei, Master Mogo-san who requests that Splinter meet him at Pier 17.

At the Museum of Fine Art Shredder uses his time portal to journey back to ancient Japan so that he can destroy Splinter and the turtles.

While rummaging through the local junkyard the Turtles witness the crash landing of an alien spacecraft.

Donatello’s Early Detection system sounds its alarm. According to Donatello’s readings, the city has experienced a major vibration emanating from the Earth.

Eric Red, seizes both April and Professor Swenson’s map to the underground volcanoes in Scandinavia to tap into the molten energy and melt the polar ice caps.

The Turtles are in England, when they are taken back to the past, via an experimental atomic clock and must team up with Sherlock Holmes and Doctor Watson in order…

April is covering the revival of the Orient Express. Shredder is on the train with Rocksteady and Bebop carrying the supercharger, a device to accelerate the train to super speed.

April is covering the showing of the world-famed Duchess Diamond. Krang wants the diamond, a flawless stone, to focus the rays on his laser dimension blade.

Shredder, Rocksteady and Bebop are searching for a valuable energy source in Athens and discover that it is April’s new necklace.

In Dimension X Krang is using a long-range scanner and discovers a rare metal buried in a ruined castle in England. The metal turns out to be King Arthur’s legendary…

Krang and Shredder decide to use Ireland as their base for the Technodrome. With a device called the Rainbow Trans-Charmer, the villains intend to turn harmless little creatures like sheep…

Two snobbish art-collecting aliens arrive in Florence and begin stealing great works of art.

Krang sends Shredder to set up a special lens that will focus the sun’s rays to create a devastating heat ray.

The Turtles are vacationing in the Alps, as Splinter goes off to a nearby mountain to meditate. April is in an Alpine village with Irma when she notices the ice…

Krang decides to use a hydrofluxer device to flood Venice, holding it for ransom.

The Turtles and Splinter win a trip to Europe, but wind up riding in a crate with the Turtle Van. Meanwhile, Krang devises a giant electromagnet to pull the Technodrome…

Krang works on an oxidizer rocket with enough power to blast the Technodrome to Earth, but something goes wrong, and instead of thrust, the device grows rust.

While the Turtles are watching their favorite TV show April interrupts the broadcast with a special bulletin about a break-in at Dynamic Science Labs.

Burne assigns April a story reporting on the increase in urban crime. The only problem is that urban crime is decreasing.

Michaelangelo returns from his sojourn to the pet shop with a monkey named Clyde. After only a few minutes with the undisciplined pet Leonardo, Donatello and Raphael demand that it…

While practicing their martial arts, Leonardo tells Splinter that he is convinced that there is one combat maneuver he has yet to teach the Turtles.

When Donatello, Michaelangelo, and Raphael return from the video arcade they discover that Donatello’s lab is in disarray and Leonardo is missing.

After another night’s performance of the robotic Willie Wombat Revue at the Willie Wombat Revue Theatre, a mysterious figure, wearing a long black cape, black fedora, white face mask, and…

Donatello goes to Channel Six News to give Vernon a piece of his mind after he had made disparaging comments about Turtles on live TV.

Donatello tells the other three Turtles that, based on his calculations, the Earth has changed its orbit and is heading for the Sun.

Donatello’s newest invention, the Dream-o-Vision helmet, causes Michaelangelo and Leonardo to be stuck in a nightmare world.

The Turtles go to the Top Notch Scientific Corporation to stand guard over the sonic disintegrator.

Shreeka, an alien with an attitude and a vendetta against Krang, after having spent eons tracking him down, has finally found him.

While the Turtles are busy trying to decide what costumes to wear to this year’s Channel Six Halloween party, April and Irma are doing a story on the reverse polarity…

Krang plans to blow up the Tri-State Bridge just as a convoy of trucks carrying a rare form of toxic waste passes overhead.

While Splinter is away on meditative satori, Donatello sets his sights on solving world hunger. He invents the food revivafiver, a device designed to reverse the aging process of food.

Under the Arctic Ocean Krang is tuning up his Robotic Body. While no one is looking, Bebop and Rocksteady inadvertently destroy an important computer chip and surreptitiously replace it with…

Krang summons General Tragg from the Dimension X to keep the Turtles busy while Shredder places a remote control transmitter upon a rocket ship preparing to launch a satellite with…

The turtles, Groundchuck and Dirtbag are taken to Shellri-La by an alien “Turtleoid” named Kerma. Kerma seeks help from the turtles to defend his planet from a two-headed dragon named…

While the other Turtles go off to the local Planetarium to see O’Malley’s comet, Michaelangelo visits the Natural History Museum with April O’Neil for the unveiling of the mummy of…

Krang wants to get a hold of the Polarisoids’ camera. Krang sends a fake invitation to the Polarisoids to visit Earth, only the Polarisoids think that the invitation is from…

The City Mayor announces an end to crime when he introduces Professor Mindbender and the professor’s latest invention: LEX, a robotic police officer. LEX rids the streets of crime enough…

Raphael’s ego is bruised when the other Turtles laugh at him for taking a correspondence class in the art of disguise. Raphael challenges his brothers to go to Central Park…

Zach, the Turtles’ young friend, and honorary fifth Turtle, is infatuated with comic books, especially ‘The Alien Invaders.’ Zach retires his Turtle costume when his parents enroll him in the…

A series of baffling crimes are being committed by “brawny burglars” with thick Austrian accents and the Turtles are on the case, but so is Casey Jones and that could…