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Broadcast date
28-09-2012 • 26 episodes
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.
Episodes of this season
1. Rise of the Turtles (1)
event 28-09-2012 • schedule 23m
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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...
2. Rise of the Turtles (2)
event 29-09-2012 • schedule 25m
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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.
3. Turtle Temper
event 06-10-2012 • schedule 23m
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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.
4. New Friend, Old Enemy
event 13-10-2012 • schedule 23m
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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.
5. I Think His Name Is Baxter Stockman
event 20-10-2012 • schedule 23m
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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.
6. Metalhead
event 27-10-2012 • schedule 23m
When Donatello loses confidence in his bo staff as an effective weapon, he constructs Metalhead, a fully armed robotic turtle based on Kraang technology.
7. Monkey Brains
event 03-11-2012 • schedule 23m
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Donatello and April investigate a scientist’s disappearance, but discover a conspiracy regarding a bizarre psychic monkey instead.
8. Never Say Xever
event 10-11-2012 • schedule 23m
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Leo fears his act of mercy has come back to haunt him when Xever holds a local noodle shop owner hostage.
9. The Gauntlet
event 17-11-2012 • schedule 23m
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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.
10. Panic in the Sewers
event 24-11-2012 • schedule 23m
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The Turtles must defend their home in the sewers when Chris Bradford tries to destroy it with a dangerous chemical.
11. Mousers Attack!
event 08-12-2012 • schedule 23m
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.
12. It Came From the Depths
event 15-12-2012 • schedule 23m
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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.
13. I, Monster
event 25-01-2013 • schedule 23m
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.
14. New Girl in Town
event 01-02-2013 • schedule 23m
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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.
15. The Alien Agenda
event 08-02-2013 • schedule 23m
The Turtles get their first look at high school when April's school project draws attention from the Kraang.
16. The Pulverizer
event 15-02-2013 • schedule 23m
The Turtles meet their first fan when a teenager decides to dress up and fight crime as "The Pulverizer.
17. TCRI
event 01-03-2013 • schedule 23m
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.
18. Cockroach Terminator
event 15-03-2013 • schedule 23m
While trying to foil a Kraang invasion plot, the Turtles are hunted by a giant cockroach.
19. Baxter's Gambit
event 05-04-2013 • schedule 23m
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Baxter Stockman seeks revenge on Fishface and Dogpound as well as the Turtles, and lures them all into a deadly labyrinth.
20. Enemy of My Enemy
event 12-04-2013 • schedule 23m
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.
21. Karai's Vendetta
event 27-04-2013 • schedule 23m
While the Turtles are infiltrating an undersea Kraang base, the Foot Clan attempts to capture April.
22. The Pulverizer Returns!
event 11-05-2013 • schedule 23m
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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.
23. Parasitica
event 20-07-2013 • schedule 23m
Michaelangelo must fight his brothers when they fall under the control of a parasitic wasp.
24. Operation: Break Out
event 27-07-2013 • schedule 23m
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.
25. Showdown (1)
event 08-08-2013 • schedule 23m
The turtles engage in a difficult battle, as they make a desperate assault on TCRI to shut down the Kraang portal.
26. Showdown (2)
End of season • event 08-08-2013 • schedule 24m
With the world at stake, the only thing of importance is that the Turtles complete their mission. No matter what ...
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This season's cast
Jason Biggs
Leonardo (voice)
Leonardo (voice)
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Rob Paulsen
Donatello (voice)
Donatello (voice)
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Sean Astin
Raphael (voice)
Raphael (voice)
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Greg Cipes
Michelangelo (voice)
Michelangelo (voice)
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Hoon Lee
Splinter (voice)
Splinter (voice)
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Mae Whitman
April (voice)
April (voice)
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