The BEST episodes of Teenage Mutant Ninja Turtles (2012)

#1 - Vengeance Is Mine

Season 2 - Episode 22 - Aired 6/29/2014

Leo stages a rescue for Karai against Splinter's wishes. While the mission is a success, Karai's knowledge of the truth makes her rush out to take her revenge on Shredder for killing her mother and lying to her for so long, leading to an unexpected turn of events.

#2 - Showdown (1)

Season 1 - Episode 25 - Aired 8/8/2013

The turtles engage in a difficult battle, as they make a desperate assault on TCRI to shut down the Kraang portal.

#3 - The Manhattan Project (2)

Season 2 - Episode 14 - Aired 3/14/2014

#4 - Operation: Break Out

Season 1 - Episode 24 - Aired 7/27/2013

Donatello breaks into a secret Kraang detention center in order to rescue Kirby O'Neil, but ends up trapped inside with a deadly prisoner called the Newtralizer.

#5 - The Good, the Bad, and Casey Jones

Season 2 - Episode 8 - Aired 2/2/2014

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.

#6 - Mousers Attack!

Season 1 - Episode 11 - Aired 12/8/2012

When simultaneous threats from the Purple Dragons and Baxter Stockman’s mechanical Mousers force the Turtles to split into two groups, Donnie & Mikey must prove that their “B Team” is just as valuable as Leo & Raph’s “A Team.”

#7 - The Invasion (1)

Season 2 - Episode 25 - Aired 9/26/2014

Leo and Donnie disagree about their plan to stop the Kraang invasion; Donnie must step up as the leader of the bunch when Leo makes a mistake and is separated from the team.

#8 - Follow the Leader

Season 2 - Episode 3 - Aired 11/2/2013

The Turtles face an army of robot foot soldiers; Karai captures Leonardo and forces him to do battle with ninjas that can adapt to his every move.

#9 - The Kraang Conspiracy

Season 2 - Episode 9 - Aired 2/9/2014

April feels left out and insists on joining the Turtles on a mission to TCRI; A secret about April's past is revealed...

#10 - Showdown (2)

Season 1 - Episode 26 - Aired 8/8/2013

With the world at stake, the only thing of importance is that the Turtles complete their mission. No matter what ...

#11 - The Power Inside Her

Season 4 - Episode 22 - Aired 11/20/2016

Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.

#12 - The Lonely Mutation of Baxter Stockman

Season 2 - Episode 16 - Aired 5/4/2014

The Turtles create a retro-mutagen to help April's father; Baxter Stockman threatens to mutate April.

#13 - Mazes & Mutants

Season 2 - Episode 15 - Aired 4/27/2014

When the turtles play a Fantasy LARP game to get their minds off things, they separate the difference between fantasy and reality.

#14 - Panic in the Sewers

Season 1 - Episode 10 - Aired 11/24/2012

The Turtles must defend their home in the sewers when Chris Bradford tries to destroy it with a dangerous chemical.

#15 - Enemy of My Enemy

Season 1 - Episode 20 - Aired 4/12/2013

After witnessing the Kraang in action, Karai realizes the seriousness of the alien threat and proposes an alliance with the Turtles....unless the Shredder finds out.

#16 - Attack of the Mega Shredder!

Season 3 - Episode 21 - Aired 8/16/2015

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

#17 - Karai's Vendetta

Season 1 - Episode 21 - Aired 4/27/2013

While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April.

#18 - Owari

Season 4 - Episode 26 - Aired 2/26/2017

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.

#19 - Requiem

Season 4 - Episode 25 - Aired 2/19/2017

Splinter must lead the turtles and the Mighty Mutanimals on the hunt to defeat his old enemy.

#20 - Annihilation: Earth! (1)

Season 3 - Episode 25 - Aired 9/27/2015

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

#21 - Slash and Destroy

Season 2 - Episode 7 - Aired 11/30/2013

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

#22 - Cockroach Terminator

Season 1 - Episode 18 - Aired 3/15/2013

While trying to foil a Kraang invasion plot, the Turtles are hunted by a giant cockroach.

#23 - Invasion of the Squirrelanoids

Season 2 - Episode 2 - Aired 10/19/2013

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 from escaping into the city.

#24 - Parasitica

Season 1 - Episode 23 - Aired 7/20/2013

Michaelangelo must fight his brothers when they fall under the control of a parasitic wasp.

#25 - Trans-Dimensional Turtles

Season 4 - Episode 10 - Aired 3/27/2016

The Turtles are transported to another dimension where they meet their 1980s counterparts and work together to battle Krang.