"Space Chimps 2" follows Comet, the techno chimp who longs to be taken as a fully-fledged space chimp. Comet journeys to Planet Malgor where he bonds with the alien Kilowatt, and lives out his ultimate fantasy. However, it's time for Comet to prove himself when the feared alien ruler Zartog takes over Mission Control. Comet must show he has the right skills, and join fellow chimps Ham, Luna and Titan, to save the day.