Animation. Dogstar is a spaceship that contains all of earth's dogs, lost during the move from Old Earth to New Earth. The Clark kids miss their dog Hobart and, on board the Valiant, they go in pursuit of the Dogstar. The crew of the Valiant become embroiled in a war between two alien races: the Glurgs and the Radnocks. Gran tries to unite the warring factions by introducing them to the joys of competitive sport. Show less