Season 2

Episode Guide

The Mutation Situation

S2 E1
Oct 11, 2013
When Shredder teams with the Kraang to receive a batch of mutagen, the Turtles' problems only get worse-even putting their friendship with April at stake.

Invasion of the Squirrelanoids

S2 E2
Oct 18, 2013
While tracking mutagen, the Turtles bring a mutated squirrel back to the lair. When it starts multiplying, the Turtles must hunt the squirrel mutants and prevent them escaping into the city.

Follow the Leader

S2 E3
Nov 01, 2013
When the Turtles face Shredder's newest threat, an army of Robot Foot Soldiers, Karai captures Leonardo and forces him to do battle with these new and improved ninjas that can adapt to his every move.

Mutagen Man Unleashed

S2 E4
Nov 08, 2013
Donatello obsessively experiments with mutagen in a bid to find a cure for April's mutated father. Unfortunately this puts April in danger from a new threat-Mutagen Man!

Mikey Gets Shellacne

S2 E5
Nov 15, 2013
Michelangelo is tired of being the "runt of the litter." But when he fools around with some mutagen, he gets a dangerous infection that is mutating out of control.

Target: April O'Neil

S2 E6
Nov 22, 2013
April tries to resume a normal teenage life, but when Karai starts hunting her again, April realizes she may have put her new friend Casey Jones in danger as well.

Slash and Destroy

S2 E7
Nov 29, 2013
The Turtles find themselves being hunted by a new threat-another mutant turtle called Slash, who has a personal vendetta against the brothers.

The Good, The Bad, and Casey Jones

S2 E8
Feb 01, 2014
After encountering mutants and ninjas, Casey Jones decides to take on "pure evil" alone. When he meets Raphael, the two hot-headed fighters must put their dislike for each other aside and work together against a common foe.

The Kraang Conspiracy

S2 E9
Feb 08, 2014
Feeling left out of the action, April insists on joining the Turtles on a mission to TCRI, where they learn a shocking secret about April's past.

Fungus Humungous

S2 E10
Feb 15, 2014
A fungus mutant spreading through the sewers causes the Turtles and April to experience their worst fears as Leonardo must face his greatest fear- losing his team.

Metalhead Rewired

S2 E11
Feb 22, 2014
When Donnie upgrades Metalhead's artificial intelligence, he must decide if he can trust a sentient Metalhead... or if he has created a new foe.

Of Rats and Men

S2 E12
Mar 01, 2014
When the Rat King returns, Splinter must overcome his guilt and fear of the Rat King controlling his mind in order to defeat his foe once and for all.

Wormquake!

S2 E13
Mar 13, 2014
Facing Shredder's deadly new assassin, Leo must decide whether to risk his brother's lives or ask for Splinter's help. Donnie must put aside his rivalry with Casey in order to uncover a new Kraang plot.

Mazes & Mutants

S2 E14
Apr 26, 2014
The Turtles try to relax by playing a fantasy role-playing game, but when the game becomes real, they must learn the difference between fantasy and reality.

The Lonely Mutation of Baxter Stockman

S2 E15
May 03, 2014
Feeling guilty for turning April's father into a mutant bat, the Turtles perfect a retro-mutagen to help him. Unfortunately, things get worse when Baxter Stockman threatens to mutate April.

Newtralized!

S2 E16
May 10, 2014
Raph is worried about Casey's ability to handle big mutant threats...when they meet Slash again and discover he has a partner of his own: THE NEWTRALIZER!

Pizza Face

S2 E17
May 17, 2014
Mikey discovers that a new mutant is trying to attack and capture people using living pizzas, but he struggles to convince the others who don't believe him.

The Wrath of Tiger Claw

S2 E18
Jun 07, 2014
Tiger Claw returns and intends to destroy the Turtles at any cost.

The Legend of the Kuro Kabuto

S2 E19
Jun 14, 2014
Leo, worried about Karai, tries to convince the others to rescue her. Meanwhile, a master thief steals Shredder's helmet and it falls into the Turtles' unsuspecting hands.

Plan 10

S2 E20
Jun 21, 2014
Raph's hot-headed impulsiveness lands him in deep trouble when he accidentally damages a machine that forces him to switch minds with a Kraang.

Vengeance is Mine

S2 E21
Jun 28, 2014
Leo goes behind Splinter's back when he stages a rescue for Karai, whose desire for revenge against Shredder brings about grave consequences for them all.

A Chinatown Ghost Story

S2 E22
Sep 11, 2014
As Donnie becomes increasingly jealous of April and Casey's relationship, April is kidnapped by an evil spirit who intends to drain April's powers.

Into Dimension X!

S2 E23
Sep 18, 2014
At home, Mikey always messes things up, but when the Turtles go to the bizarre realm of Dimension X, he's the only one who can figure the place out.

The Invasion

S2 E24
Sep 25, 2014
Leo and Donnie disagree about their plan to stop the Kraang invasion. When Leo makes a critical mistake, he is separated from the team and Donnie must step up as a leader.