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