Wagon Train is an American Western television series that aired for eight seasons, first on the NBC television network (1957–1962) and then on ABC (1962–1965). Wagon Train debuted on September 18, 1957, and reached the top of the Nielsen ratings. It is the fictional adventure story of a large westbound wagon train through the American frontier from Missouri to California. Its format attracted famous guest stars for each episode, appearing as travelers or residents of the settlements whom the regular cast encountered.