The Irken armada is poised to conquer the universe, but it would be a lot easier without Invader Zim! Thickheaded, brash, and overzealous, Zim has been banished into food service for wrecking the Irken home planet. He begs the almighty tallest for a second chance to reclaim his lost honor. Seeing the opportunity to rid themselves of this nuisance forever, they send Zim on a "secret" mission to a planet far away on the edge of the universe-Earth. Now Earth's only hope rests with a young UFO-hunting paranormal enthusiast named Dib. Seeing through Zim's human disguise, Dib makes it his sole mission to defend out planet from this fiendish alien menace.