Season
- Season 0 1987-09-26
- Season 1 1955-09-09
- Season 2 1956-09-07
- Season 3 1957-09-13
- Season 4 1958-09-12
- Season 5 1959-09-04
- Season 6 1960-09-02
- Season 7 1961-09-29
- Season 8 1962-09-14
- Season 9 1963-09-27
- Season 10 1964-09-25
- Season 11 1965-09-17
- Season 12 1966-09-16
- Season 13 1967-09-10
- Season 14 1968-09-22
- Season 15 1969-09-21
- Season 16 1970-09-13
- Season 17 1971-09-12
- Season 18 1972-09-10
- Season 19 1973-09-09
- Season 20 1974-09-08
Season 20 Episode
- Season 20 Matt Dillon Must Die
- Season 20 Town in Chains
- Season 20 The Guns of Cibola Blanca (1)
- Season 20 The Guns of Cibola Blanca (2)
- Season 20 Thirty a Month and Found
- Season 20 The Wiving
- Season 20 The Iron Men
- Season 20 The Fourth Victim
- Season 20 The Tarnished Badge
- Season 20 In Performance of Duty
- Season 20 Island in the Desert (1)
- Season 20 Island in the Desert (2)
- Season 20 The Colonel
- Season 20 The Squaw
- Season 20 The Hiders
- Season 20 Larkin
- Season 20 The Fires of Ignorance
- Season 20 The Angry Land
- Season 20 Brides and Grooms
- Season 20 Hard Labor
- Season 20 I Have Promises to Keep
- Season 20 The Busters
- Season 20 Manolo
- Season 20 The Sharecroppers
Gunsmoke - Season 20 Episode 13 The Colonel
6.60 45 minutes Lee J. Cobb and his daughter Julie Cobb appear together for the first time when Cobb guest-stars as a once-proud military officer who is suddenly faced with a painful and unplanned reunion with his daughter.
