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. ...

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. ...

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. ...

When the Turtles face Shredder's newest threat, an army of Robot Foot Soldiers, Karai captures Leonardo and forces him to do battle with these new and improved ninjas tha ...

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. ...

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. ...

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 re ...

When Shredder schemes to create a fearsome army of mutants, the Turtles have no choice but to rely on the help of the newest recruit to the Foot Clan: The Pulverizer! ...

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. ...

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

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. ...

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

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 ...

When simultaneous threats from the Purple Dragons and Baxter Stockman's mechanical Mousers force the Turtles to split into two groups, Donnie and Mikey must prove that th ...

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

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 c ...

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

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

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 ...

Taping the Seinfeld reunion proves to be difficult after Larry's fight with a local coffee vendor alienates Jason Alexander and costs him quality time with Cheryl. ...

Rehearsals for the Seinfeld reunion show get complicated when Larry's text message exchange with a 9-year-old Seinfeld fan lands him in trouble with the local authorities ...

Approaching the 10-year mark, Larry and Jeff finally agree to do a Seinfeld reunion show. However, after getting a bad set of tickets to a Lakers game, he tries to call t ...

Plankton hasn't tried to steal the secret formula in a while - and that's making Mr. Krabs nervous. When Patrick discovers the pineapple's library, SpongeBob introduces h ...

Once Fred's leg heals up, SpongeBob is determined to keep it out of harm's way. Patrick's lemonade stand is unsuccessful until he gets a secret ingredient from Squidward. ...

In order to prank a rival monarch, King Frederic recruits Eugene to help pull off a scheme. ...

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