Teenage Mutant Ninja Turtles is a 2012 English-language Animation Action show created by Ciro Nieli, Joshua Sternin and J. R. Ventimilia. The show was Produced by Macgregor Middleton under the banner of Nickelodeon Animation Studio for Nickelodeon and Nicktoons. Cowabunga, dude! The Turtles are back. Leonardo, Donatello, Raphael and Michelangelo are four mutant turtles, trained in the art of ninjutsu by their sensei, Master Splinter. The animated series explores their camaraderie as they learn to rely on one another as they unravel the mystery of their existence and train to become the heroes they are destined to be. And they're doing all that while trying to defeat Master Shredder, an old enemy of Splinter who is training a peculiar band of ninjas while hiding in New York City. When they are in the surface world, the Turtles become involved in a conspiracy involving alien creatures, robotic droids and missing scientists. And they come face to face with the glowing green substance that originally mutated them. Written by Jwelch5742. Teenage mutant ninja turtles features Sean Astin, Rob Paulsen, Greg Cipes, Mae Whitman, Hoon Lee, Seth Green and James Sie. The series is based on Teenage Mutant Ninja Turtles by Kevin Eastman Peter Laird. The music was composed by Sebastian Evans Ii along with Stan Martinez. The series has a running time of 22 minutes for each episode. The show has a total of 124 episodes during it's run of 5 seasons. Distribution rights for the show were acquired by Viacom Media Networks.