Season 4
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.
All Episodes
Episode 1
Beyond the Known Universe
October 25, 2015
The Turtles experience outer space and alien life for the first time.
Episode 2
The Moons of Thalos 3
November 1, 2015
The Turtles and their enemy crash-land on an ice moon and they must put aside their differences in order to survive.
Episode 3
The Weird World of Wyrm
November 8, 2015
Casey releases a wish-granting alien named Wyrm, who wants his freedom to do whatever he wants to the universe
Episode 4
The Outlaw Armaggon!
November 15, 2015
A shark-like bounty hunter is hired by Lord Dregg to destroy the turtles, who choose to hide out in an abandoned space station.
Episode 5
Riddle of the Ancient Aeons
January 10, 2016
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
Episode 6
Journey to the Center of Mikey's Mind
January 17, 2016
When microscopic aliens invade Mikey's mind, the Turtles have to chase them through the strange world of Mikey's subconscious.
Episode 7
The Arena of Carnage
January 24, 2016
The turtles are captured and thrown into the Triceratons' battle area.
Episode 8
The War for Dimension X
January 31, 2016
The Turtles must gain the trust of the Utrom Council in order to find the next piece of the black hole generator.
Episode 9
The Cosmic Ocean
March 13, 2016
The Turtles journey through an ocean-like area of space.
Episode 10
Trans-Dimensional Turtles
March 27, 2016
The Turtles are transported to another dimension where they meet their 1980s counterparts and work together to battle Krang.
Episode 11
Revenge of the Triceratons
April 3, 2016
Donatello is feeling inferior to Fugitoid, but his intellect is put to the test when the Triceratons attack.
Episode 12
The Evil of Dregg
April 10, 2016
When Raphael loses his fighting mojo, he must overcome his feelings to save his brothers from certain doom.
Episode 13
The Ever-Burning Fire
April 17, 2016
The team must overcome impossible odds in order to obtain the final Black Hole Generator piece that is located on the planet Magdomar.
Episode 14
Earth's Last Stand
April 24, 2016
As the team finally reaches Earth, the Fugitoid reveals a horrible secret about his past.
Episode 15
City at War
August 14, 2016
April faces a deadly, new enemy when she graduates to full Kunoichi; the Turtles must deal with the return of some old foes.
Episode 16
Broken Foot
August 21, 2016
When Leonardo secretly allies himself with Karai, he gets himself into deeper danger than he could have realized.
Episode 17
The Insecta Trifecta
August 28, 2016
Raphael must overcome his fear of insects to lead the team when they are forced to battle Stockman-Fly's new insect minions.
Episode 18
Mutant Gangland
September 4, 2016
Don Vizioso's gang tracks the Turtles with a slew of Anti-Mutant weapons.
Episode 19
Bat in the Belfry
September 11, 2016
Michelangelo befriends some odd, new superheroes named Wingnut and Screwloose.
Episode 20
The Super Shredder
November 6, 2016
For the first time, the Turtles encounter something they cannot defeat – the Super Shredder!
Episode 21
Darkest Plight
November 13, 2016
The Turtle team hunts for their Sensei, but soon realizes they are being hunted as well.
Episode 22
The Power Inside Her
November 20, 2016
Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.
Episode 23
Tokka vs. the World
February 5, 2017
When 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.
Episode 24
Tale of Tiger Claw
February 12, 2017
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.
Episode 25
Requiem
February 19, 2017
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.
Episode 26
Owari
February 26, 2017
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.