Teen lovers Bobby and Terry band together with other roller skaters to try and prevent a powerful mobster taking over the land their favourite skating rink sits on, and compete in the Boogie Contest.

The prospects for continuing life on Earth in the year 2058 are grim. So the Robinsons are launched into space to colonize Alpha Prime, the only other inhabitable planet in the galaxy. But when a stowaway sabotages the mission, the Robinsons find themselves hurtling through uncharted space.