New I Am Number Four trailer lets the sexy teen aliens battle it outMeredith Woerner12/07/10 2:00pmFiled to: TrailerI am number fourD.J. CarusomovesVideoAliensVideosClipstweet71EditPromoteShare to KinjaToggle Conversation toolsGo to permalink Let the teen alien battle begin! A new trailer for I Am Number Four, based on James Frey's novel, is out. And this time they're finally showing the alien superpowered carnage between sexy teen alien models and their genocidal oppressors! The alien battle begins on February 18, 2011.