In the year 2082, the Earth was invaded by aliens after it was long determine that existence of extra terrestrials was long thought to be science fiction. Major cities crumbled from the destruction of the beings from beyond the stars. The invasion came to a halt when Earth's own armed forces led by Col. John Robinson fought off the invaders and thus Earth won the battle which came to be known as "Robinson's Raid". 15 years have passed by and John Robinson attends a ceremony for his retirement from his services in defending the Earth from alien threat. It was an honoring ceremony, except John's kids aren't that excited about it because John hardly spent that much time with them. After moving from several different homes due to John's line of work created a gap in between his kids and his occupation. This dysfunctional family is one of the fewest families chosen to be part of the space program that is heading for a planet called Nova which will become occupied with a new farming colony. John hopes to make up for all the times he wasn't there with his family only for the space station to be invaded by an unnamed army of reptilian aliens. The Robinsons and a young military figure named Don West escaped the doom space station, only to find themselves lost in space.