Gilligan's Island is an American sitcom created and produced by Sherwood Schwartz. The show had an ensemble cast that featured Bob Denver, Alan Hale Jr., Jim Backus, Natalie Schafer, Tina Louise, Russell Johnson, and Dawn Wells. It aired for three seasons on the CBS network from September 26, 1964, to April 17, 1967. The series followed the comic adventures of seven castaways as they attempted to survive on an island on which they had been shipwrecked. Most episodes revolve around the dissimilar castaways' conflicts and their unsuccessful attempts, of which Gilligan was frequently responsible for the failure, to escape their plight.