Battle for Terra is going to release this coming May 1, 2009. It is a computer animated science fiction film. It is a story of an alien planet that faces a destruction from colonization by the displaced remainder of the human race.
Battle for Terra has won the Best Animated feature at the 2008 Ottawa International Animation Festival.. so it must be a good film.

The voices behind Battle for Terra.

Evan Rachel Wood as Mala
Brian Cox as General Hemmer
Luke Wilson as Lt. James Stanton
David Cross as Giddy
Justine Long as Senn
Amanda Peet as Maria
Dennis Quaid as Roven
Chris Evans as Stewart Staton
James Garner as Doron
Danny Glover as President Chen

Battle for Terra Movie Trailer

The official website of Battle for Terra