Leo and Donnie disagree about their plan to stop the Kraang invasion; Donnie must step up as the leader of the bunch when Leo makes a mistake and is separated from the team.

The turtles engage in a difficult battle, as they make a desperate assault on TCRI to shut down the Kraang portal.

With the world at stake, the only thing of importance is that the Turtles complete their mission. No matter what ...

With the demise of their beloved father and Karai incapacitated, the Turtles, April, and Casey, infiltrate Super Shredder's new lair to put an end to Oroku Saki once and for all, no matter what it takes.

Super Shredder has returned with even greater vengeance, forcing the Turtles to enlist the combined aid of Splinter, April, Casey, Karai, Shinigami and the Mighty Mutanimals to destroy him once and for all.

When the turtles get word of the Kraang's return, they realize there is an even bigger threat coming to Earth.

After being kidnapped by the hypnotized Karai, the Turtles are placed in deadly traps that they must work together in in order to escape. Splinter, in his efforts to save the turtles, is forced to face Karai in order to free her from Shredder's control.

Leo stages a rescue for Karai against Splinter's wishes. While the mission is a success, Karai's knowledge of the truth makes her rush out to take her revenge on Shredder for killing her mother and lying to her for so long, leading to an unexpected turn of events.

When the Turtles go to the bizarre realm of Dimension X, Mikey is the only one who can figure the place out.

Leonardo considers asking Splinter for help while facing Shredder's new assassin; Donnie must put aside his rivalry with Casey in order to uncover a Kraang plot.

The Turtles are transported to another dimension where they meet their 1980s counterparts and work together to battle Krang.

After witnessing the Kraang in action, Karai realizes the seriousness of the alien threat and proposes an alliance with the Turtles....unless the Shredder finds out.

When Tiger Claw returns, he vows to hunt and destroy the turtles, as well as April and Casey. Meanwhile, Karai finds out the truth about her mother and real father, forcing her to make a life changing decision.

Donnie's grudge with Don Vizioso threatens the Turtle's newest mission.

The Turtles must defeat the mighty demodragon Kavaxas to prevent him from destroying the world.

The Shredder kidnaps and experiments on the Mighty Mutanimals.

Leo and Donnie disagree about their plan to stop the Kraang invasion; Donnie must step up as the leader of the bunch when Leo makes a mistake and is separated from the team.

Leo takes the Turtles to train in the woods in an advanced ninja ritual; the Turtles must overcome their weaknesses and face their enemies to become a true ninja.

The Turtles get their first look at high school when April's school project draws attention from the Kraang.

An older, weathered Raphael battles road gangs in a post-apocalyptic mutant wasteland.

Leonardo considers asking Splinter for help while facing Shredder's new assassin; Donnie must put aside his rivalry with Casey in order to uncover a Kraang plot.

As the team finally reaches Earth, the Fugitoid reveals a horrible secret about his past.

The Turtles create a retro-mutagen to help April's father; Baxter Stockman threatens to mutate April.

While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April.

After encountering mutants and ninjas, Casey Jones decides to take on "pure evil" alone. When he meets Raphael, the two hot-headed fighters must put their dislike for each other aside and work together against a common foe.

The Turtle team hunts for their Sensei, but soon realizes they are being hunted as well.

When the Turtles are accidentally transported to the past, they happen to cross paths with a familiar ninja clan.

Leo tries to convince the team to rescue Karai; a master thief steals Shredder’s helmet.

The Turtles face an army of robot foot soldiers; Karai captures Leonardo and forces him to do battle with ninjas that can adapt to his every move.

When the turtles get word of the Kraang's return, they realize there is an even bigger threat coming to Earth.

April feels left out and insists on joining the Turtles on a mission to TCRI; A secret about April's past is revealed...

Snakeweed returns and begins abducting people. Tired of Raphael's constant criticism while trying to stop Snakeweed, Leonardo lets Raphael try his hand at leadership. While away from the group, Leonardo meets a female Foot Ninja named Karai, who tries to lure him to the dark side.

Raphael meets a confused alien dinosaur named Zog, the Triceraton.

An older and weathered Raphael battles road gangs in a post-apocalyptic mutant wasteland.

When the Rat King returns, Splinter must overcome his fears in order to defeat his enemy.

The Turtles, their 1987 counterparts, April and the Mighty Mutanimals must work together to stop 80s' Shredder and Krang from destroying the world. Meanwhile, Bebop and Rocksteady are faced with a difficult and life-changing decision.

Baxter Stockman seeks revenge on Fishface and Dogpound as well as the Turtles, and lures them all into a deadly labyrinth.

When the Turtles discover Bigfoot in the woods, Donnie befriends it and insists they protect it from a hunter.

When 80s Shredder and Krang appear in the 2012 dimension, they employ Bebop and Rocksteady and find their plans are succeeding better than ever. Meanwhile, the Turtles try to adjust to life without serious bad guys.

Savanti is soon to recruit Frankenstein's Monster and unleash all of his monstrous recruits on the 21st Century.

The Newtralizer returns to New York City, more powerful than ever before, and joins forces with a dangerous and unexpected ally. With the help of Raphael's Salamandrian girlfriend, Mona Lisa, the Turtles fight back to defend their city.

When Casey, Raph, Mikey and Donnie are captured by a new mutant, April and Leo must overcome disabilities in order to save them.

The Turtles are in danger of exposure when hot-headed Raphael is caught on video arguing with a human on the street. He must learn to control his temper in order to help the others retrieve the video before it falls into the wrong hands.

When Donatello loses confidence in his bo staff as an effective weapon, he constructs Metalhead, a fully armed robotic turtle based on Kraang technology.

When April O'Neil is abducted, the Turtles search leads to the base of the robotic Kraang army, and Leonardo struggles to unify his rebellious brothers to victory.

Michelangelo plays with some mutagen, contracting a dangerous infection that mutates out of control.

The Turtles and their enemy crash-land on an ice moon and they must put aside their differences in order to survive.

The Turtles' plans to enjoy Halloween are put on hold when strange monsters threaten to transform New York City.

When microscopic aliens invade Mikey's mind, the Turtles have to chase them through the strange world of Mikey's subconscious.

For fifteen years, four mutant Turtles and their rodent sensei have lived a secret life beneath the sewers of New York. Coming to the surface for the first time, the Turtles soon find their day out interrupted as a young girl and her father become the targets of mysterious, and dangerous, men...

The Turtles believe they have defeated most of their old enemies, but they soon discover that a new evil is rising from the ashes.

The Turtles discover that the Kraang survived their previous showdown and have dropped mutagen canisters all over New York City.

When Casey and Donatello bond while building Casey's new hot rod, the bond is challenged by a hot-rodding mutant.

The team must journey through an ancient alien temple to get a piece of the black hole generator.But they get an ancient star which marks the Aeons

The Turtles meet their first fan when a teenager decides to dress up and fight crime as "The Pulverizer."

The Turtles experience outer space and alien life for the first time.

The team must overcome impossible odds in order to obtain the final Black Hole Generator piece that is located on the planet Magdomar.

While trying to foil a Kraang invasion plot, the Turtles are hunted by a giant cockroach.

The Turtles must face off against a new enemy, The Rat King, who threatens not only to take control of the city, but of Splinter's mind as well.

Part 2

When he gets upset, Mikey flees and befriends a mutant frog in the woods, only to learn the frog and his family have nefarious plans.

Donatello and April investigate a scientist’s disappearance, but discover a conspiracy regarding a bizarre psychic monkey instead.

When the guys discover a Kraang ship buried under April's house, they also uncover April's lost mother.

While tracking mutagen, the Turtles bring a mutated squirrel back to the lair. When it starts multiplying, the Turtles must hunt the squirrel mutants and prevent them from escaping into the city.

When Donatello's latest invention gives failed inventor and perpetual loser Baxter Stockman enhanced abilities, the turtles must learn to use their heads instead of brute force to defeat him.

Donatello experiments with mutagen in an attempt to find a cure for April's mutated father. But one of his expirements goes wrong and he is unleashed in the city.

While breaking into the hostile environment of TCRI headquarters, the Turtles discover the true intent of the Kraang and resolve to stop the alien invasion once and for all.

Mikey struggles to convince the others that a new mutant is trying to attack and capture people using living pizzas.

When Raphael loses his fighting mojo, he must overcome his feelings to save his brothers from certain doom.

An older and weathered Raphael battles road gangs in a post-apocalyptic mutant wasteland.

Renet transports the Turtles to 13th century Transylvania to stop Savanti Romero.

When the Turtles are trapped in their dreams by creatures, April and Casey must figure out how to wake them up.

To prove that Turtles can be friends with humans, Michelangelo uses a social networking site to befriend a famous martial artist who is secretly Shredder's top lieutenant.

The Turtles must gain the trust of the Utrom Council in order to find the next piece of the black hole generator.