An alien from the planet Marklar lands in Ethiopia, but is eaten by lions when he tries to communicate with them. Starvin' Marvin finds the abandoned ship, and goes flying into space, and back down to South Park to visit his foster parents: Stan, Kyle, Cartman, and Kenny. He takes them on a trip to the planet Marklar, and they find that the planet would be an ideal environment for Marvin's family and neighbors.