Teenage Mutant Ninja Turtles - Season 1

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The first season of Teenage Mutant Ninja Turtles aired on Nickelodeon from September 29, 2012 to August 8, 2013. The season introduces four turtles, Leonardo, Donatello, Raphael and Michelangelo.

Teenage Mutant Ninja Turtles: Season 1 - 26 Episode s

1x1 - Rise of the Turtles (1)
September 28, 2012
For fifteen years, four mutant Turtles and their rodent sensei have lived a secret life beneath the sewers of New York. Coming to the surface for the first time, the Turtles soon find their day out interrupted as a young girl and her father become the targets of mysterious, and dangerous, men...
1x2 - Rise of the Turtles (2)
September 29, 2012
When April O'Neil is abducted, the Turtles search leads to the base of the robotic Kraang army, and Leonardo struggles to unify his rebellious brothers to victory.
1x3 - Turtle Temper
October 6, 2012
The Turtles are in danger of exposure when hot-headed Raphael is caught on video arguing with a human on the street. He must learn to control his temper in order to help the others retrieve the video before it falls into the wrong hands.
1x4 - New Friend, Old Enemy
October 13, 2012
To prove that Turtles can be friends with humans, Michelangelo uses a social networking site to befriend a famous martial artist who is secretly Shredder's top lieutenant.
1x5 - I Think His Name Is Baxter Stockman
October 20, 2012
When Donatello's latest invention gives failed inventor and perpetual loser Baxter Stockman enhanced abilities, the turtles must learn to use their heads instead of brute force to defeat him.
1x6 - Metalhead
October 27, 2012
When Donatello loses confidence in his bo staff as an effective weapon, he constructs Metalhead, a fully armed robotic turtle based on Kraang technology.
1x7 - Monkey Brains
November 3, 2012
Donatello and April investigate a scientist’s disappearance, but discover a conspiracy regarding a bizarre psychic monkey instead.
1x8 - Never Say Xever
November 10, 2012
Leo fears his act of mercy has come back to haunt him when Xever holds a local noodle shop owner hostage.
1x9 - The Gauntlet
November 17, 2012
After April receives a warning from her imprisoned father, she and the Turtles embark on a mission to save him and stop The Kraang from detonating a mutagen bomb in the city.
1x10 - Panic in the Sewers
November 24, 2012
The Turtles must defend their home in the sewers when Chris Bradford tries to destroy it with a dangerous chemical.
1x11 - Mousers Attack!
December 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.
1x12 - It Came From the Depths
December 15, 2012
Michelangelo befriends Leatherhead, an unstable mutant alligator who possesses a strange piece of Kraang technology, but the other Turtles aren’t sure whether Leatherhead is a friend or a foe.
1x13 - I, Monster
January 25, 2013
The Turtles must face off against a new enemy, The Rat King, who threatens not only to take control of the city, but of Splinter's mind as well.
1x14 - New Girl in Town
February 1, 2013
Snakeweed returns and begins abducting people. Tired of Raphael's constant criticism while trying to stop Snakeweed, Leonardo lets Raphael try his hand at leadership. While away from the group, Leonardo meets a female Foot Ninja named Karai, who tries to lure him to the dark side.
1x15 - The Alien Agenda
February 8, 2013
The Turtles get their first look at high school when April's school project draws attention from the Kraang.
1x16 - The Pulverizer
February 15, 2013
The Turtles meet their first fan when a teenager decides to dress up and fight crime as "The Pulverizer.
1x17 - TCRI
March 1, 2013
While breaking into the hostile environment of TCRI headquarters, the Turtles discover the true intent of the Kraang and resolve to stop the alien invasion once and for all.
1x18 - Cockroach Terminator
March 15, 2013
While trying to foil a Kraang invasion plot, the Turtles are hunted by a giant cockroach.
1x19 - Baxter's Gambit
April 5, 2013
Baxter Stockman seeks revenge on Fishface and Dogpound as well as the Turtles, and lures them all into a deadly labyrinth.
1x20 - Enemy of My Enemy
April 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.
1x21 - Karai's Vendetta
April 27, 2013
While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April.
1x22 - The Pulverizer Returns!
May 11, 2013
When Shredder plans to create an army of mutants, the Turtles must rely on the help of the Pulverizer, who was recruited into the Foot (to be expendable) and volunteers to gather information on the inside on their behalf. When he agrees to be a test subject for a stolen supply of Kraang Mutagen, the Turtles rescue him, but not before he recklessly gets himself mutated.
1x23 - Parasitica
July 20, 2013
Michaelangelo must fight his brothers when they fall under the control of a parasitic wasp.
1x24 - Operation: Break Out
July 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.
1x25 - Showdown (1)
August 8, 2013
The turtles engage in a difficult battle, as they make a desperate assault on TCRI to shut down the Kraang portal.
1x26 - Showdown (2)
August 8, 2013
With the world at stake, the only thing of importance is that the Turtles complete their mission. No matter what ...

Teenage Mutant Ninja Turtles - Season 1

Teenage Mutant Ninja Turtles: Season 1 - 26 Episode s

1x1 - Rise of the Turtles (1)

1x2 - Rise of the Turtles (2)

1x3 - Turtle Temper

1x4 - New Friend, Old Enemy

1x5 - I Think His Name Is Baxter Stockman

1x6 - Metalhead

1x7 - Monkey Brains

1x8 - Never Say Xever

1x9 - The Gauntlet

1x10 - Panic in the Sewers

1x11 - Mousers Attack!

1x12 - It Came From the Depths

1x13 - I, Monster

1x14 - New Girl in Town

1x15 - The Alien Agenda

1x16 - The Pulverizer

1x17 - TCRI

1x18 - Cockroach Terminator

1x19 - Baxter's Gambit

1x20 - Enemy of My Enemy

1x21 - Karai's Vendetta

1x22 - The Pulverizer Returns!

1x23 - Parasitica

1x24 - Operation: Break Out

1x25 - Showdown (1)

1x26 - Showdown (2)

Teenage Mutant Ninja Turtles: All seasons

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Tales of the Teenage Mutant Ninja Turtles