Moviefone has revealed the first trailer for the upcoming animated film, Battle for Terra, which hits theaters on May 1. Click below for your first look at this new film, which stars the voice talents of Evan Rachel Wood, Brian Cox, Luke Wilson, David Cross, Justin Long, Amanda Peet, Dennis Quaid, Chris Evans, James Garner, Rosanna Arquette and Chad Allen.

A peaceful alien planet faces annihilation, as the homeless remainder of the human race sets its eyes on Terra. Mala, a rebellious Terrian teenager, will do everything she can to stop it.