After the defeat of their old arch nemesis, The Shredder, the Turtles have grown apart as a family. Struggling to keep them together, their rat sensei, Splinter, becomes worried when strange things begin to brew in New York City.

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.

Leonardo, Raphael, Michaelangelo and Donatello must save New York City from the evil crime lord Shredder and his assistant, Baxter Stockman. The Turtles must fight foot soldiers, mice, and gangs and get help from their sensei Splinter, her friend April O'Neil, and her partner Casey Jones in an action-packed new series.

The Teenage Mutant Ninja Turtles are back in an all-new animated series on Nickelodeon! Surfacing topside for the first time on their fifteenth birthday, the titular turtles, Leonardo, Michelangelo, Raphael and Donatello, find that life out of the sewers isn't exactly what they thought it would be. Now the turtles must work together as a team to take on new enemies that arise to take over New York City.

Series of short animation projects shown by Nickelodeon.

After years of being sheltered from the human world, the Turtle brothers set out to win the hearts of New Yorkers and be accepted as normal teenagers through heroic acts. Their new friend April O'Neil helps them take on a mysterious crime syndicate, but they soon get in over their heads when an army of mutants is unleashed upon them.

When a kingpin threatens New York City, a group of mutated turtle warriors must emerge from the shadows to protect their home.

Rise up! The Teenage Mutant Ninja Turtles get an all-new look, new weapons, and awesome new powers! Join the legendary heroes, Raph, Leo, Donnie and Mikey as these brothers discover a Hidden City beneath New York, learn amazing mystic ninja skills, battle absurd mutants… and always find time for a slice of their favorite pizza! Cowabunga!

After supervillain Shredder escapes custody, he joins forces with mad scientist Baxter Stockman and two dimwitted henchmen, Bebop and Rocksteady, to unleash a diabolical plan to take over the world. As the Turtles prepare to take on Shredder and his new crew, they find themselves facing an even greater evil with similar intentions: the notorious Krang.

The Turtles — Leo, Raph, Donnie and Mikey — each will go it alone for the first time. Faced with new threats and teaming up with old allies, the Turtles will discover who they really are when they don’t have their brothers at their sides.

When a mysterious stranger arrives from the future with a dire warning, Leo is forced to rise and lead his brothers, Raph, Donnie, and Mikey in a fight to save the world from a terrifying alien species.

Turtles Forever is a made-for-tv animated movie. Produced in celebration of the 25th anniversary of the Teenage Mutant Ninja Turtles franchise, the movie teams up different incarnations of the titular heroes—chiefly the light-hearted, child-friendly characters from the 1987 animated series and the darker cast of the 4Kids' own 2003 animated series—in an adventure that spans multiple universes.

When the Teenage Mutant Ninja Turtles acquire Mutastones from Crys-Mu, the spirit of light, they acquire the ability to enhance themselves into Super Turtles for a duration of three minutes. Meanwhile, the evil Shredder and his minions Bebop and Rocksteady stumble upon the Dark Mutastone, which transforms them into Devil Shredder, Supermutant Bebop and Supermutant Rocksteady, respectively. But the Turtles have one more trick up their shells: all four of them can combine into their ultimate form—Turtle Saint.

A live concert video, with the help of the fans and April O'Neil, the Ninja Turtles have to stop Shredder and Baxter Stockman from destroying all of the music in the world.

Told in the style of Playmates' Half-Shell Heroes action figure line, the storyline finds the Turtles going back in time to the Jurassic Era, where they encounter friendly dinosaurs from the past and dangerous aliens from the future who have a nefarious plan of their own. However, things get even more complicated when Triceratons, Bebop and Rocksteady show up!

The creator of Nickelodeon’s Invader Zim takes on the Turtles in this San Diego Comic Con exclusive animated short! It’s on! Donatello and Raphael have a score to settle and won’t rest until a true victor is crowned.