First Teenage Mutant Ninja Turtles: Smash-Up trailer. The Teenage Mutant Ninja Turtles began life as ordinary pets, but when they were lost in the sewers and bathed in chemicals they emerged as giant humanoid turtles. The official TMNT movie trailer starring Megan Fox & Will Arnett. Watch it here: . Directed by Steve Barron. With Judith Hoag, Elias Koteas, Josh Pais, David Forman. A group of mutated turtle warriors must emerge from the shadows to protect New York. Official movie site for Teenage Mutant Ninja Turtles. Buy it TODAY on Blu-rayTM Combo Pack & DIGITAL HD! Leonardo, Donatello, Raphael and Michelangelo are the Teenage Mutant Ninja Turtles, trained in the art of ninjutsu by a wise rat sensei they call Master Splinter. Teenage Mutant Ninja Turtles: The Teenage Mutant Ninja Turtles (or simply Ninja Turtles, abbreviated TMNT, and officially known in the United Kingdom as Teenage. Teenage Mutant Ninja Turtles (early known as Teenage Mutant Hero Turtles in some European countries due to controversy at the time) is an animated television series. The Teenage Mutant Ninja Turtles (often shortened to TMNT or Ninja Turtles) are a team of four teenage anthropomorphic turtles, named after four Renaissance Italian.