E1 - Within the Woods

Aired: October 03, 2014

The team tries to deal with the possibility that Leo will not get better; a new mutant captures Raphael.

E2 - A Foot Too Big

Aired: October 10, 2014

When the Turtles discover Bigfoot in the woods, Donnie befriends it and insists they protect it from a hunter.

E3 - Buried Secrets

Aired: October 17, 2014

When the guys discover a Kraang ship buried under April's house, they also uncover April's lost mother.

E4 - The Croaking

Aired: November 07, 2014

When he gets upset, Mikey flees and befriends a mutant frog in the woods, only to learn the frog and his family have nefarious plans.

E5 - In Dreams

Aired: November 14, 2014

When the Turtles are trapped in their dreams by creatures, April and Casey must figure out how to wake them up.

E6 - Race with the Demon!

Aired: November 21, 2014

When Casey and Donatello bond while building Casey's new hot rod, the bond is challenged by a hot-rodding mutant.

E7 - Eyes of the Chimera

Aired: January 11, 2015

When Casey, Raph, Mikey and Donnie are captured by a new mutant, April and Leo must overcome disabilities in order to save them.

E8 - Vision Quest

Aired: January 18, 2015

Leo 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.

E9 - Return to New York

Aired: January 25, 2015

When the Turtles return to the city to search for Splinter, they discover that the city has been overrun with Kraang.

E10 - Serpent Hunt

Aired: February 01, 2015

As the Turtles search for Karai, they are forced to deal with a city filled with Kraangdroids as well as Zeck and Steranko.

E11 - The Pig and the Rhino

Aired: March 08, 2015

Donnie finishes a new batch of retro-mutagen in hopes of saving Karai; the Turtles are hunted by Shredder's new henchmen, Bebop and Rocksteady.

E12 - Battle for New York (1)

Aired: March 15, 2015

The Turtles must brave the bizarre world of Dimension X to save the enslaved people of New York. Part 1

E13 - Battle for New York (2)

Aired: March 15, 2015

Part 2

E14 - Casey Jones vs the Underworld

Aired: March 22, 2015

Casey Jones thinks he can take on the criminal underworld on his own, but soon discovers that he is in over his head.

E15 - The Noxious Avenger

Aired: April 26, 2015

A new and unfamiliar mutant known as Muckman begins to gain notoriety as New York City's "Monster Hero."

E16 - Clash of the Mutanimals

Aired: May 03, 2015

The Shredder kidnaps and experiments on the Mighty Mutanimals.

E17 - Meet Mondo Gecko

Aired: May 10, 2015

Michelangelo and Casey become friends with Mondo Gecko, a radical, skateboarding, reptilian teenager.

E18 - The Deadly Venom

Aired: May 17, 2015

When Karai is brainwashed, she begins hunting the Turtles.

E19 - Turtles in Time

Aired: August 02, 2015

When the Turtles are whisked through time by apprentice Time Master Renet, they all must work together to defeat the evil Time Master Savanti Romero.

E20 - Tale of the Yokai

Aired: August 09, 2015

When the Turtles are accidentally transported to the past, they happen to cross paths with a familiar ninja clan.

E21 - Attack of the Mega Shredder!

Aired: August 16, 2015

Leonardo decides to sneak into Shredder's lair alone, and winds up facing the biggest mutant threat yet.

E22 - The Creeping Doom

Aired: August 23, 2015

After an accident, Donnie finds himself slowly losing his intelligence.

E23 - The Fourfold Trap

Aired: September 13, 2015

After 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.

E24 - Dinosaur Seen in Sewers!

Aired: September 20, 2015

Raphael meets a confused alien dinosaur named Zog, the Triceraton.

E25 - Annihilation: Earth! (1)

Aired: September 27, 2015

When the turtles get word of the Kraang's return, they realize there is an even bigger threat coming to Earth.

E26 - Annihilation: Earth! (2)

Aired: September 27, 2015

When the turtles get word of the Kraang's return, they realize there is an even bigger threat coming to Earth.