The western Gunsmoke premiered on CBS radio in 1952. The show was successful and was adopted for television in 1955 where it aired for 20 years until 1975. Five Gunsmoke movies aired from 1987 until 1992 - an astonishing 40 years of Gunsmoke. is the web's most extensive dipository of information and trivia dedicated to Gunsmoke: The Great American Western.