Teenage Mutant Ninja Turtles is an American cartoon series by the Nickelodeon Animation Studio in the franchise of the same name, premiered on September 29, 2012, on Nickelodeon. On October 2, 2012, Nickelodeon renewed the series for a second season with 26 episodes. A new official trailer was released on June 21, 2012, and aired on Nickelodeon the following Saturday. The trailer reveals the turtle's new voices, the animation, and that the theme song of the new show will be a remixed/remade version of the original theme song from the 1987 cartoon. Michelangelo's new catchphrase is 'Booyakasha' instead of 'Cowabunga'. Raphael also has an un-mutated pet turtle named Spike. Nickelodeon has ordered three seasons, all of which will have 26 episodes. Season 1 premiered on September 29, 2012. The premiere date for Season 2 has not yet been announced.