Hear Nathan Fillion command the cosmos with his Green Lantern ring in the first ever trailer for the animated movie Green Lantern: Emerald Knights.

Here's the official synopsis:

Fillion provides the voice of the animated film's central character Hal Jordan, the human Green Lantern assigned to Sector 2814 (which includes Earth)...Elisabeth Moss gives voice to Arisia, a young recruit forced into her first mission on just her third day as a Green Lantern.

The DVD for the cartoon representation of Green Lantern starring Fillion, Elisabeth Moss, Henry Rollins, and Roddy Piper will hit DVDs on June 7th 2011.