Season 4
Episodes
S4 · E1 · 25 Oct 2015 · 22 min
Beyond the Known Universe
The Turtles experience outer space and alien life for the first time.
S4 · E2 · 1 Nov 2015 · 22 min
The Moons of Thalos 3
The Turtles and their enemy crash-land on an ice moon and they must put aside their differences in order to survive.
S4 · E3 · 8 Nov 2015 · 22 min
The Weird World of Wyrm
Casey releases a wish-granting alien named Wyrm, who wants his freedom to do whatever he wants to the universe
S4 · E4 · 15 Nov 2015 · 22 min
The Outlaw Armaggon!
A shark-like bounty hunter is hired by Lord Dregg to destroy the turtles, who choose to hide out in an abandoned space station.
S4 · E5 · 10 Jan 2016 · 22 min
Riddle of the Ancient Aeons
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
S4 · E6 · 17 Jan 2016 · 22 min
Journey to the Center of Mikey's Mind
When microscopic aliens invade Mikey's mind, the Turtles have to chase them through the strange world of Mikey's subconscious.
S4 · E7 · 24 Jan 2016 · 22 min
The Arena of Carnage
The turtles are captured and thrown into the Triceratons' battle area.
S4 · E8 · 31 Jan 2016 · 22 min
The War for Dimension X
The Turtles must gain the trust of the Utrom Council in order to find the next piece of the black hole generator.
S4 · E9 · 13 Mar 2016 · 22 min
The Cosmic Ocean
The Turtles journey through an ocean-like area of space.
S4 · E10 · 27 Mar 2016 · 22 min
Trans-Dimensional Turtles
The Turtles are transported to another dimension where they meet their 1980s counterparts and work together to battle Krang.
S4 · E11 · 3 Apr 2016 · 22 min
Revenge of the Triceratons
Donatello is feeling inferior to Fugitoid, but his intellect is put to the test when the Triceratons attack.
S4 · E12 · 10 Apr 2016 · 22 min
The Evil of Dregg
When Raphael loses his fighting mojo, he must overcome his feelings to save his brothers from certain doom.
S4 · E13 · 17 Apr 2016 · 22 min
The Ever-Burning Fire
The team must overcome impossible odds in order to obtain the final Black Hole Generator piece that is located on the planet Magdomar.
S4 · E14 · 24 Apr 2016 · 22 min
Earth's Last Stand
As the team finally reaches Earth, the Fugitoid reveals a horrible secret about his past.
S4 · E15 · 14 Aug 2016 · 22 min
City at War
April faces a deadly, new enemy when she graduates to full Kunoichi; the Turtles must deal with the return of some old foes.
S4 · E16 · 21 Aug 2016 · 22 min
Broken Foot
When Leonardo secretly allies himself with Karai, he gets himself into deeper danger than he could have realized.
S4 · E17 · 28 Aug 2016 · 22 min
The Insecta Trifecta
Raphael must overcome his fear of insects to lead the team when they are forced to battle Stockman-Fly's new insect minions.
S4 · E18 · 4 Sept 2016 · 22 min
Mutant Gangland
Don Vizioso's gang tracks the Turtles with a slew of Anti-Mutant weapons.
S4 · E19 · 11 Sept 2016 · 22 min
Bat in the Belfry
Michelangelo befriends some odd, new superheroes named Wingnut and Screwloose.
S4 · E20 · 6 Nov 2016 · 22 min
The Super Shredder
For the first time, the Turtles encounter something they cannot defeat – the Super Shredder!
S4 · E21 · 13 Nov 2016 · 22 min
Darkest Plight
The Turtle team hunts for their Sensei, but soon realizes they are being hunted as well.
S4 · E22 · 20 Nov 2016 · 22 min
The Power Inside Her
Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.
S4 · E23 · 5 Feb 2017 · 22 min
Tokka vs. the World
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.
S4 · E24 · 12 Feb 2017 · 22 min
Tale of Tiger Claw
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.
S4 · E25 · 19 Feb 2017 · 22 min
Requiem
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.
S4 · E26 · 26 Feb 2017 · 22 min
Owari
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.
Data and images from TMDB.