Four turtles fall into the sewers and are befriended by Hamato Yoshi a Japanese man sent to New York who was forced to live in the sewers. One day he sees a strange green glow which transforms the four turtles into human-like creatures. Hamato (now Master Splinter) changes into a giant rat from the green glow and teaches the turtles the skills of the ninja as they team up with news reporter April O'Neil to battle against Yoshi's arch enemy Shredder and Krang, an alien warlord from Dimension X.
Teenage Mutant Ninja Turtles (Staffel 2)

Return of the Shredder (Folge 1) 6.5
Autor: Patti Howeth
Sendedatum: 1988-10-01
Laufzeit: 22 min
Übersicht: Just when the Turtles believe themselves rid of Shredder, tin-grin is able to persuade Krang to return him to Earth.

The Incredible Shrinking Turtles (Folge 2) 6.3
Autor: Larry Parr
Sendedatum: 1988-10-08
Laufzeit: 22 min
Übersicht: While 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.

It Came from Beneath the Sewers (Folge 3) 6.2
Autor: Larry Parr
Sendedatum: 1988-10-15
Laufzeit: 22 min
Übersicht: While 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.

The Mean Machines (Folge 4) 6.2
Autor: Michael Reaves
Sendedatum: 1988-10-22
Laufzeit: 22 min
Übersicht: After 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.

Curse of the Evil Eye (Folge 5) 6.3
Autor: Martin Pasko
Sendedatum: 1988-10-29
Laufzeit: 22 min
Übersicht: The Turtles are still on the search for the last fragment. Shredder finds the last fragment and connects all three to his helmet.

The Case of the Killer Pizzas (Folge 6) 7.7
Autor: Doug Booth
Sendedatum: 1988-11-05
Laufzeit: 22 min
Übersicht: Krang finally relents and provides Shredder with help in defeating the Turtles.

Enter: The Fly (Folge 7) 6.6
Autor: Michael Reaves
Sendedatum: 1988-11-12
Laufzeit: 22 min
Übersicht: Frustrated at Baxter's latest failure, Shredder contacts Krang in Dimension X and demands that Rocksteady and Bebop be sent to aid him.

Invasion of the Punk Frogs (Folge 8) 6.3
Autor: Michael Reaves
Sendedatum: 1988-11-19
Laufzeit: 22 min
Übersicht: Shredder plans to acquire more mutagen and create more mutants. An ion storm in Dimension X interferes with the dimensional portal.

Splinter No More (Folge 9) 6.8
Autor: Michael Reaves
Sendedatum: 1988-11-26
Laufzeit: 22 min
Übersicht: Sensing 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.

New York's Shiniest (Folge 10) 6.2
Autor: Richard Merwin
Sendedatum: 1988-12-03
Laufzeit: 22 min
Übersicht: Shredder 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.

Teenagers from Dimension X (Folge 11) 6.2
Autor: Michael Reaves
Sendedatum: 1988-12-10
Laufzeit: 22 min
Übersicht: While cruising around Dimension X, the Nutrinos decide to buzz the Technodrome. The Nutrinos learn of Krang & Shredder's latest plan to destroy the Turtles.

The Catwoman from Channel Six (Folge 12) 6.0
Autor: Richard Merwin
Sendedatum: 1988-12-17
Laufzeit: 22 min
Übersicht: While 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.

Return of the Technodrome (Folge 13) 6.8
Autor: Michael Reaves
Sendedatum: 1988-12-24
Laufzeit: 22 min
Übersicht: Krang, sick of Shredder's constant failings, resolves to return the Technodrome to Earth.
