Gunsmoke
Longest-running TV Western series (1955-1975) in the history of television, and James Arness holds the record for 20 seasons as the same character. Marshal Matt Dillon. Number-One series on television four consecutive years in a row: 1957-58; 1958-59; 1959-60; and 1960-61. This program also made world-wide stars of Matt Dillon (Arness), Kitty Russell (Blake), Chester Goode (Weaver), Doc Adams (Stone), Quint Asper (Reynolds), and Festus Haggen (Curtis).