Blu-ray and DVD releases for The Legend of Korra Book One: Air, the popular follow up to Nickelodeon’s much acclaimed animated series Avatar: The Last Airbender, have been announced, reports IGN. The Legend of Korra will mark the first TV series Nickelodeon has ever released on Blu-ray. Bonus features exclusive to Blu-ray include Audio Commentaries from series creators, cast and crew for all 12 episodes along with Eight Animatics while select audio commentaries will be included on the DVD. “The Making of a Legend: The Untold Story”, a short featuring a comical look at the Korra characters in puppet form as they’re interviewed about their adventures, will be available on both releases. The Legend of Korra Book One: Air will be available to own on July 16th, 2013.