Jan and Kid Comet are headed toward an uninhabited planet Coros IV. Jan convinces Kid Comet to travel faster than time. They land on Coros IV in it's prehistoric past. Space Ghost is in pursuit of a robber named Barbos. Space Ghost, Jace, and Blip follow him to the planet Coros IV. They cannot find Barbos, but they find a time arc on the planet's surface. Space Ghost goes through the time arc to find Barbos. Pterodactyls attack Space Ghost, Jace, Jan, Blip, and Kid Comet. Barbos has constructed a gigantic warship. Space Ghost destroys the time arc by causing a volcano to explode. Kid Comet uses his powers to transport them back to the present.