Nickelodeon has announced it's latest TMNT home media release based on the current season: NEW YORK - March 29, 2016 - The Turtles embark on an out-of-this-world adventure to save Earth in Teenage Mutant Ninja Turtles: Beyond the Known Universe, a two-disc, 12-episode adventure available on DVD May 24. In the first 12 episodes of season