1. Within the Woods
Aired: Oct 3, 2014 The team tries to deal with the possibility that Leo will not get better; a n...
2. A Foot Too Big
Aired: Oct 10, 2014 When the Turtles discover Bigfoot in the woods, Donnie befriends it and insis...
3. Buried Secrets
Aired: Oct 17, 2014 When the guys discover a Kraang ship buried under April's house, they also un...
4. The Croaking
Aired: Nov 6, 2014 When he gets upset, Mikey flees and befriends a mutant frog in the woods, onl...
5. In Dreams
Aired: Nov 13, 2014 When the Turtles are trapped in their dreams by creatures, April and Casey mu...
6. Race with the Demon!
Aired: Nov 20, 2014 When Casey and Donatello bond while building Casey's new hot rod, the bond is...
7. Eyes of the Chimera
Aired: Jan 10, 2015 When Casey, Raph, Mikey and Donnie are captured by a new mutant, April and Le...
8. Vision Quest
Aired: Jan 17, 2015 Leo takes the Turtles to train in the woods in an advanced ninja ritual; the ...
9. Return to New York
Aired: Jan 24, 2015 When the Turtles return to the city to search for Splinter, they discover tha...
10. Serpent Hunt
Aired: Jan 31, 2015 As the Turtles search for Karai, they are forced to deal with a city filled w...
11. The Pig and the Rhino
Aired: Mar 7, 2015 Donnie finishes a new batch of retro-mutagen in hopes of saving Karai; the Tu...
12. Battle for New York (1)
Aired: Mar 15, 2015 The Turtles must brave the bizarre world of Dimension X to save the enslaved ...
13. Battle for New York (2)
Aired: Mar 15, 2015 Part 2
14. Casey Jones vs. the Underworld
Aired: Mar 22, 2015 Casey Jones thinks he can take on the criminal underworld on his own, but soo...
15. The Noxious Avenger
Aired: Apr 26, 2015 A new and unfamiliar mutant known as Muckman begins to gain notoriety as New ...
16. Clash of the Mutanimals
Aired: May 3, 2015 The Shredder kidnaps and experiments on the Mighty Mutanimals.
17. Meet Mondo Gecko
Aired: May 10, 2015 Michelangelo and Casey become friends with Mondo Gecko, a radical, skateboard...
18. The Deadly Venom
Aired: May 17, 2015 When Karai is brainwashed, she begins hunting the Turtles.
19. Turtles in Time
Aired: Aug 2, 2015 When the Turtles are whisked through time by apprentice Time Master Renet, th...
20. Tale of the Yokai
Aired: Aug 9, 2015 When the Turtles are accidentally transported to the past, they happen to cro...
21. Attack of the Mega Shredder!
Aired: Aug 16, 2015 Leonardo decides to sneak into Shredder's lair alone, and winds up facing the...
22. The Creeping Doom
Aired: Aug 23, 2015 After an accident, Donnie finds himself slowly losing his intelligence.
23. The Fourfold Trap
Aired: Sep 13, 2015 After being kidnapped by the hypnotized Karai, the Turtles are placed in dead...
24. Dinosaur Seen in Sewers!
Aired: Sep 20, 2015 Raphael meets a confused alien dinosaur named Zog, the Triceraton.
25. Annihilation: Earth! (1)
Aired: Sep 27, 2015 When the turtles get word of the Kraang's return, they realize there is an ev...
26. Annihilation: Earth! (2)
Aired: Sep 27, 2015 When the turtles get word of the Kraang's return, they realize there is an ev...