Episodes
1Within the Woods3 Oct 2014 · 22mThe team tries to deal with the possibility that Leo will not get better; a new mutant captures Raphael.
2A Foot Too Big10 Oct 2014 · 22mWhen the Turtles discover Bigfoot in the woods, Donnie befriends it and insists they protect it from a hunter.
3Buried Secrets17 Oct 2014 · 22mWhen the guys discover a Kraang ship buried under April's house, they also uncover April's lost mother.
4The Croaking7 Nov 2014 · 22mWhen he gets upset, Mikey flees and befriends a mutant frog in the woods, only to learn the frog and his family have nefarious plans.
5In Dreams14 Nov 2014 · 22mWhen the Turtles are trapped in their dreams by creatures, April and Casey must figure out how to wake them up.
6Race with the Demon!21 Nov 2014 · 22mWhen Casey and Donatello bond while building Casey's new hot rod, the bond is challenged by a hot-rodding mutant.
7Eyes of the Chimera11 Jan 2015 · 22mWhen Casey, Raph, Mikey and Donnie are captured by a new mutant, April and Leo must overcome disabilities in order to save them.
8Vision Quest18 Jan 2015 · 22mLeo 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.
9Return to New York25 Jan 2015 · 22mWhen the Turtles return to the city to search for Splinter, they discover that the city has been overrun with Kraang.
10Serpent Hunt1 Feb 2015 · 22mAs the Turtles search for Karai, they are forced to deal with a city filled with Kraangdroids as well as Zeck and Steranko.
11The Pig and the Rhino8 Mar 2015 · 22mDonnie finishes a new batch of retro-mutagen in hopes of saving Karai; the Turtles are hunted by Shredder's new henchmen, Bebop and Rocksteady.
12Battle for New York (1)15 Mar 2015 · 22mThe Turtles must brave the bizarre world of Dimension X to save the enslaved people of New York. Part 1
13Battle for New York (2)15 Mar 2015 · 23mPart 2
14Casey Jones vs the Underworld22 Mar 2015 · 22mCasey Jones thinks he can take on the criminal underworld on his own, but soon discovers that he is in over his head.
15The Noxious Avenger26 Apr 2015 · 22mA new and unfamiliar mutant known as Muckman begins to gain notoriety as New York City's "Monster Hero."
16Clash of the Mutanimals3 May 2015 · 22mThe Shredder kidnaps and experiments on the Mighty Mutanimals.
17Meet Mondo Gecko10 May 2015 · 22mMichelangelo and Casey become friends with Mondo Gecko, a radical, skateboarding, reptilian teenager.
18The Deadly Venom17 May 2015 · 22mWhen Karai is brainwashed, she begins hunting the Turtles.
19Turtles in Time2 Aug 2015 · 22mWhen the Turtles are whisked through time by apprentice Time Master Renet, they all must work together to defeat the evil Time Master Savanti Romero.
20Tale of the Yokai9 Aug 2015 · 22mWhen the Turtles are accidentally transported to the past, they happen to cross paths with a familiar ninja clan.
21Attack of the Mega Shredder!16 Aug 2015 · 22mLeonardo decides to sneak into Shredder's lair alone, and winds up facing the biggest mutant threat yet.
22The Creeping Doom23 Aug 2015 · 22mAfter an accident, Donnie finds himself slowly losing his intelligence.
23The Fourfold Trap13 Sept 2015 · 22mAfter being kidnapped by the hypnotized Karai, the Turtles are placed in deadly traps that they must work together in in order to escape. Splinter, in his efforts to save the turtles, is forced to face Karai in order to free her from Shredder's control.
24Dinosaur Seen in Sewers!20 Sept 2015 · 22mRaphael meets a confused alien dinosaur named Zog, the Triceraton. 
25Annihilation: Earth! (1)27 Sept 2015 · 22mWhen the turtles get word of the Kraang's return, they realize there is an even bigger threat coming to Earth.
26Annihilation: Earth! (2)27 Sept 2015 · 22mWhen the turtles get word of the Kraang's return, they realize there is an even bigger threat coming to Earth.