Teenage Mutant Ninja TurtlesSeason 21988 · 13 episodesEpisodes1Return of the ShredderJust when the Turtles believe themselves rid of Shredder, tin-grin is able to persuade Krang to return him to Earth.2The Incredible Shrinking TurtlesWhile practicing their martial arts in Central Park, the Turtles witness an alien spaceship crash into a small pond. The pilot warns them that they must find the three fragments of the Eye of Zarnof.3It Came from Beneath the SewersWhile the Turtles and April O'Neil scour the city for the Second Fragment of the Eye of Zarnov, Shredder sheepishly reports to Krang that he has lost the First Fragment.4The Mean MachinesAfter the batteries died in the alien crystal converger, Donatello, using spare circuits from the space ship, builds a tracking device to help locate the second fragment of the Eye of Zarnov.5Curse of the Evil EyeThe Turtles are still on the search for the last fragment. Shredder finds the last fragment and connects all three to his helmet.6The Case of the Killer PizzasKrang finally relents and provides Shredder with help in defeating the Turtles.7Enter: The FlyFrustrated at Baxter's latest failure, Shredder contacts Krang in Dimension X and demands that Rocksteady and Bebop be sent to aid him.8Invasion of the Punk FrogsShredder plans to acquire more mutagen and create more mutants. An ion storm in Dimension X interferes with the dimensional portal.9Splinter No MoreSensing Master Splinter's despair at his new life as a rat, the Turtles agree to use the small amount of mutagen that they have left to concoct a formula that will revert Splinter back into Yoshi.10New York's ShiniestShredder learns that the police have created a robotic cop and plans to steal then clone it. April gets a tip about the new experimental cop Rex-1 and breaks into the lab with her news camera for an exclusive story.11Teenagers from Dimension XWhile cruising around Dimension X, the Nutrinos decide to buzz the Technodrome. The Nutrinos learn of Krang & Shredder's latest plan to destroy the Turtles.12The Catwoman from Channel SixWhile experimenting with a matter transporter in his secret hideout, Shredder sends Rocksteady and Bebop to a nearby garbage dump. Through a series of mishaps, Rocksteady and Bebop find themselves in the Turtles' Lair.13Return of the TechnodromeKrang, sick of Shredder's constant failings, resolves to return the Technodrome to Earth.Season 1Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10