How the West Was Won is an American western television series that starred James Arness, Eva Marie Saint, Fionnula Flanagan, Bruce Boxleitner, and Richard Kiley. Loosely based on the 1962 Cinerama film of the same name, it aired as a mini-series in 1977, and as a regular series in 1978 and 1979. A 2-hour pilot film, The Macahans, ran in 1976. A total of 25 episodes were aired.