When Splinter allows his teenage sons, the Mutant Ninja Turtles, to visit the surface for the first time, they discover that the surface world isn't as simple as it first appears.

When Splinter allows his teenage sons, the Mutant Ninja Turtles, to visit the surface for the first time, they discover that the surface world isn't as simple as it first appears.

To prove that Turtles can be friends with humans, Michelangelo uses a social networking site to befriend Chris Bradford, a famous martial artist.

Weary of using his simple bo staff to fight the technologically advanced Kraang, Donatello creates Metalhead, a remote-controlled robot turtle to fight in his place.

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

Leo fears his act of mercy has come back to haunt him when Xever holds a local noodle shop owner hostage.

After April receives a warning from her imprisoned father, she and the Turtles embark on a mission to save him and stop the Kraang from detonating a mutagen bomb in the city.

The Turtles must defend their home in the sewers when Bradford tries to destroy it with a dangerous chemical.

When simultaneous threats from the Purple Dragons and Baxter Stockman's mechanical Mousers force the Turtles to split into two groups, Donnie & Mikey must prove that their "B Team" is just as valuable as Leo & Raph's "A Team."

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

Leonardo, tired of Raphael's constant criticism, lets his brother try his hand at leadership for a while. Meanwhile, Leonardo meets a beautiful and dangerous female ninja who tries to lure Leonardo to the dark side.

The Turtles get their first taste of high school when April's school project draws Kraang attention.

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.

Fed up with being humiliated by Fishface and Dogpound and defeated by the Turtles, Baxter Stockman seeks revenge by luring both parties into a deadly labyrinth.

After witnessing the Kraang in action, Karai realizes the seriousness of the alien threat and approaches the Turtles to propose an alliance.

While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April, forcing her to fend for herself in a battle of wits against Karai.

Donatello breaks into a secret Kraang detention center in order to rescue Kirby O'Neil. But when he discovers they are trapped inside with a deadly mutant prisoner, he realizes that breaking in was the easy part.

As the Turtles make a desperate assault on TCRI to shut down an alien portal, they find themselves engaging in the most difficult battle yet.

As the Turtles make a desperate assault on TCRI to shut down an alien portal, they find themselves engaging in the most difficult battle yet.

When Shredder teams with the Kraang to receive a batch of mutagen, the Turtles' problems only get worse--even putting their friendship with April at stake.

Donatello obsessively experiments with mutagen in a bid to find a cure for April's mutated father. Unfortunately this puts April in danger from a new threat--Mutagen Man!

April tries to resume a normal teenage life, but when Karai starts hunting her again, April realizes she may have put her new friend Casey Jones in danger as well.

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.

Feeling left out of the action, April insists on joining the Turtles on a mission to TCRI, where they learn a shocking secret about April's past.

A fungus mutant spreading through the sewers causes the Turtles and April to experience their worst fears as Leonardo must face his greatest fear--losing his team.

The Rat King returns and tries to take control of Splinter again. Meanwhile, April leaves a cat with Mikey and he turns it into a mutant.

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.

Facing Shredder's deadly new assassin, Leo must decide whether to risk his brother's lives or ask for Splinter's help. Donnie must put aside his rivalry with Casey in order to uncover a new Kraang plot.

When the Turtles play a fantasy LARP game to get their mind off of things, they must separate the difference between fantasy and reality.

The Turtles create a retro-mutagen to help April's father;Stockman-Fly kidnaps April.

Michaelangelo must battle Pizza Face, a mutant pizza that eats humans, in order to save his family.

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

When Raph accidentally damages a Kraang machine, it allows him to switch brains with a Kraang. Now he must find a way to convince his brothers and Splinter that it's really him, before the Kraang controlling his body destroys his brothers or worse, reveals their location to the rest of the Kraang.

Donnie becomes increasingly jealous of April and Casey's relationship; April is kidnapped by an evil spirit who intends to drain her powers.

Leo and Donnie disagree about their plan to stop the Kraang invasion. When Leo makes a critical mistake, he is separated from the team and Donnie must step up as a leader.

Leo and Donnie disagree about their plan to stop the Kraang invasion. When Leo makes a critical mistake, he is separated from the team and Donnie must step up as a leader.

After being provoked from stopping the Kraang invasion and being outmatched by Shredder and Kraang Prime, April, Casey and the Turtles take refuge inside a cabin far from the city in the woods.

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

The turtles find an old alien spacecraft that is connected to April's past.

Mikey runs away and befriends a mutant frog. Only to learn the frog and his family have nefarious plans.

The turtles get trapped in their dreams by Dream beavers. They can't escape except with the help of a man.

When Casey and Donatello work together to build a hot rod, a mutant challenges them.

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

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 return to New York, facing the Kraang and Kraang Prime for a rematch to see who New York really belongs to.

As the Turtles search for Karai, they must deal with a city filled with Kraang and Shredder.

Donnie finishes a new batch of Retro-Mutagen in hope of saving Karai; the Turtles are hunted by Shredder's new henchmen, Bebop and Rocksteady.

Leo is suspicious when Slash emerges leading a team called the Mighty Mutanimals; the Turtles must brave the bizarre world of Dimension X to save the enslaved people of New York.

Leo is suspicious when Slash emerges leading a team called the Mighty Mutanimals; the Turtles must brave the bizarre world of Dimension X to save the enslaved people of New York.

Casey Jones thinks he can take on the criminal underworld on his own, but soon discovers that he is in over his head.

A new mutant called Muckman starts to gain notoriety as NYC's "Monster Hero".

The Shredder kidnaps and experiments on the Mighty Mutanimals.

Michelangelo meets Mondo Gecko, a skateboarding mutant, and tries to save him from being condemned to a life of crime.

When Karai is brainwashed, she begins hunting the Turtles.

Leonardo decides to sneak into Shredder's lair alone, and winds up facing the biggest mutant threat yet.

After an accident, Donnie finds himself slowly losing his intelligence.

The Turtles are baited by an unknown enemy into deadly traps.

Raph makes a new friend named Zog, an alien dinosaur. But Zog is hiding a dark secret.

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

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

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

When the team crash lands on an ice moon along with an enemy, all must put their differences aside to survive.

Casey Jones accidentally unleashes a fourth-dimensional being called Wyrm.

Lord Dregg sets a fearsome bounty hunter, the shark mutant Armaggon, on the trail of the Turtles.

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

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

The turtles are captured and thrown into the Triceratons' battle area.

The Turtles journey through the cosmic ocean of Varuna, where they must proves themselves worthy to Hiidalra. Hiidalra is an aquatic alien queen who holds the second piece of the black hole generator.

Donatello is feeling inferior to the Fugitoid, but his intellect is put to the test when the Triceratons attack.

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

The team must overcome impossible odds in order to obtain the final Black Hole Generator piece.

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

April faces a deadly, new enemy when she graduates to full Kunoichi; the Turtles must deal with the return of some old foes.

When Leonardo secretly allied himself with Karai, he gets himself into deeper danger than he could have realized.

The team faces Stockman-Fly's new insect minions, and Raph has to man up to overcome his fear of insects and lead the team.

Michelangelo befriends some odd, new superheroes named Wingnut and Screwloose.

For the first time, the Turtles encounter something they cannot defeat... The Super Shredder!

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

Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.

A dangerous female mutant, by the name of Alopex, appears with a personal vendetta against Tiger Claw. The Turtles, April and Casey try to befriend her, but turns on them and furiously goes after Tiger Claw alone. Unfortunately for her, Tiger Claw has prepared for her unexpected arrival.

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.

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.

The team faces a new enemy with mystical powers named Kavaxas.

Karai searches for the Kuro Kabuto, claiming to be the rightful heir to the Foot Clan, when she encounters an old rival.

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

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

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

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

Renet returns to ask the Turtles for help, to stop Savanti Romero from unleashing an undead army on Modern-day New York.

Upon returning to present-day New York City, Renet and the Turtles discover (much to their horror) that the dystopian zombie-infested city is ruled by even more monsters, vampires and zombies than before, realizing that their previous failures to defeat Savanti when they had the chance has made the mishap plummet from bad to even worse. After returning to the safety of their underground sewer lair, they have one last chance to have order restored, but when their lair is discovered and trashed by Savanti's monster tribe, who infect Donnie and turn him into a vampire in the chaos of the brawl, things become even worse.

The Turtles must train their 1980s selves to fight back against a massive threat. The danger is bigger than any of them have encountered before, so they must be prepared.

The 1980s Shredder and Krang employ Rocksteady and Bebop and discover that their plans are working out better than they ever thought when they travel dimensions.

April faces a deadly, new enemy when she graduates to full Kunoichi; the Turtles must deal with the return of some old foes.

Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.

Donnie becomes increasingly jealous of April and Casey's relationship; April is kidnapped by an evil spirit who intends to drain her powers.

While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April, forcing her to fend for herself in a battle of wits against Karai.

Feeling left out of the action, April insists on joining the Turtles on a mission to TCRI, where they learn a shocking secret about April's past.

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

April tries to resume a normal teenage life, but when Karai starts hunting her again, April realizes she may have put her new friend Casey Jones in danger as well.

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

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

When Shredder teams with the Kraang to receive a batch of mutagen, the Turtles' problems only get worse--even putting their friendship with April at stake.