Season 4
26 episodes · Oct 25, 2015
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.
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S4E1Beyond the Known Universe
Oct 25, 201522mThe Turtles experience outer space and alien life for the first time.
S4E2The Moons of Thalos 3
Nov 1, 201522mThe Turtles and their enemy crash-land on an ice moon and they must put aside their differences in order to survive.
S4E3The Weird World of Wyrm
Nov 8, 201522mCasey releases a wish-granting alien named Wyrm, who wants his freedom to do whatever he wants to the universe
S4E4The Outlaw Armaggon!
Nov 15, 201522mA shark-like bounty hunter is hired by Lord Dregg to destroy the turtles, who choose to hide out in an abandoned space station.
S4E5Riddle of the Ancient Aeons
Jan 10, 201622mThe 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
S4E6Journey to the Center of Mikey's Mind
Jan 17, 201622mWhen microscopic aliens invade Mikey's mind, the Turtles have to chase them through the strange world of Mikey's subconscious.
S4E7The Arena of Carnage
Jan 24, 201622mThe turtles are captured and thrown into the Triceratons' battle area.
S4E8The War for Dimension X
Jan 31, 201622mThe Turtles must gain the trust of the Utrom Council in order to find the next piece of the black hole generator.
S4E10Trans-Dimensional Turtles
Mar 27, 201622mThe Turtles are transported to another dimension where they meet their 1980s counterparts and work together to battle Krang.
S4E11Revenge of the Triceratons
Apr 3, 201622mDonatello is feeling inferior to Fugitoid, but his intellect is put to the test when the Triceratons attack.
S4E12The Evil of Dregg
Apr 10, 201622mWhen Raphael loses his fighting mojo, he must overcome his feelings to save his brothers from certain doom.
S4E13The Ever-Burning Fire
Apr 17, 201622mThe team must overcome impossible odds in order to obtain the final Black Hole Generator piece that is located on the planet Magdomar.
S4E14Earth's Last Stand
Apr 24, 201622mAs the team finally reaches Earth, the Fugitoid reveals a horrible secret about his past.
S4E15City at War
Aug 14, 201622mApril faces a deadly, new enemy when she graduates to full Kunoichi; the Turtles must deal with the return of some old foes.
S4E16Broken Foot
Aug 21, 201622mWhen Leonardo secretly allies himself with Karai, he gets himself into deeper danger than he could have realized.
S4E17The Insecta Trifecta
Aug 28, 201622mRaphael must overcome his fear of insects to lead the team when they are forced to battle Stockman-Fly's new insect minions.
S4E18Mutant Gangland
Sep 4, 201622mDon Vizioso's gang tracks the Turtles with a slew of Anti-Mutant weapons.
S4E19Bat in the Belfry
Sep 11, 201622mMichelangelo befriends some odd, new superheroes named Wingnut and Screwloose.
S4E20The Super Shredder
Nov 6, 201622mFor the first time, the Turtles encounter something they cannot defeat – the Super Shredder!
S4E21Darkest Plight
Nov 13, 201622mThe Turtle team hunts for their Sensei, but soon realizes they are being hunted as well.
S4E22The Power Inside Her
Nov 20, 201622mDonatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.
S4E23Tokka vs. the World
Feb 5, 201722mWhen Tokka returns after her presumable death, she finds out that her baby has been taken from her. After realizing this she violently searches for her lost baby.
S4E24Tale of Tiger Claw
Feb 12, 201722mA 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.
S4E25Requiem
Feb 19, 201722mSuper 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.
S4E26Owari
Feb 26, 201722mWith 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.