The Best Episodes of Teenage Mutant Ninja Turtles (2012)
Last Updated: Apr 9, 2019
Four ninja turtles, mutated by a mysterious alien substance, must rise up out of the sewers and defend their city against evil forces from both the past and present.
#1 - The Good, The Bad, and Casey Jones
Season 2 - Episode 8
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.
10.00 
#2 - The Kraang Conspiracy
Season 2 - Episode 9
April feels left out and insists on joining the Turtles on a mission to TCRI; A secret about April's past is revealed...
10.00 
#3 - Vengeance Is Mine
Season 2 - Episode 22
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.
10.00 
#4 - The Power Inside Her
Season 4 - Episode 22
Donatello becomes concerned and decides to test April, only to discover that her psychic abilities are rapidly growing in power.
10.00 
#5 - Mousers Attack!
Season 1 - Episode 11
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.”
9.30 
#6 - Parasitica
Season 1 - Episode 23
Michaelangelo must fight his brothers when they fall under the control of a parasitic wasp.
9.00 
#7 - Invasion of the Squirrelanoids
Season 2 - Episode 2
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.
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#8 - Follow the Leader
Season 2 - Episode 3
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.
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#9 - Slash and Destroy
Season 2 - Episode 7
The Turtles find themselves being hunted by a new threat -- another mutant turtle called Slash, who has a personal vendetta against the brothers.
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#10 - Buried Secrets
Season 3 - Episode 3
When the guys discover a Kraang ship buried under April's house, they also uncover April's lost mother.
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#11 - The Mutation Situation
Season 2 - Episode 1
The Turtles discover that the Kraang survived their previous showdown and have dropped mutagen canisters all over New York City.
8.70 
#12 - Mutagen Man Unleashed
Season 2 - Episode 4
Donatello experiments with mutagen in an attempt to find a cure for April's mutated father. But one of his expirements goes wrong and he is unleashed in the city.
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#13 - Mazes & Mutants
Season 2 - Episode 15
When the turtles play a Fantasy LARP game to get their minds off things, they separate the difference between fantasy and reality.
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#14 - Showdown (1)
Season 1 - Episode 25
The turtles engage in a difficult battle, as they make a desperate assault on TCRI to shut down the Kraang portal.
8.51 
#15 - Karai's Vendetta
Season 1 - Episode 21
While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April.
8.50 
#16 - Showdown (2)
Season 1 - Episode 26
With the world at stake, the only thing of importance is that the Turtles complete their mission. No matter what ...
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#17 - The Lonely Mutation of Baxter Stockman
Season 2 - Episode 16
The Turtles create a retro-mutagen to help April's father; Baxter Stockman threatens to mutate April.
8.50 
#18 - Within the Woods
Season 3 - Episode 1
Narrowly escaping from the Shredder and the Kraang, the turtles, April, and Casey take shelter at April's family farmhouse upstate to recover and figure out how to stop the Kraang. The turtles deal with not having Splinter around and the possibility of Leo not making a full recovery, and a mysterious creature stalks the group.
8.50 
#19 - The Invasion (1)
Season 2 - Episode 25
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.
8.49 
#20 - Into Dimension X!
Season 2 - Episode 24
When the Turtles go to the bizarre realm of Dimension X, Mikey is the only one who can figure the place out.
8.34 
#21 - The Legend of the Kuro Kabuto
Season 2 - Episode 20
Leo tries to convince the team to rescue Karai; a master thief steals Shredder’s helmet. ("Kuro Kabuto" means "Black Helmet" in Japanese. )
8.30 
#22 - Requiem
Season 4 - Episode 25
Splinter must lead the turtles and the Mighty Mutanimals on the hunt to defeat his old enemy.
8.27 
#23 - Enemy of My Enemy
Season 1 - Episode 20
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.
8.25 
#24 - Owari
Season 4 - Episode 26
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.
8.23 
#25 - Never Say Xever
Season 1 - Episode 8
Leo fears his act of mercy has come back to haunt him when Xever holds a local noodle shop owner hostage.
8.20