Amethyst and the Tale of Ooo History

Amethyst and the Tale of Ooo History is an Upcoming 2-part (2016-2017) CGI-Animated Crossover Action-comedy and Sci-fi film produced by Cartoon Network Studios, Fredrator Studios, GoAnimate Studios, Regency Enterprises and New Regency, released by Warner Bros. Pictures and DreamWorks Animation created by Rebecca Sugar, Jackie Buscarino and Pendelton Ward, featuring the voices of Michaela Dietz, Jeremy Shada, John DiMaggio, Hynden Walch, Tom Kenny, J.G. Quintel, William Salyers and Grey DeLisle