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 10 In Performance of Duty
6.60 45 minutes Matt is frustrated by Judge Kendall's insistence that the letter of the law be maintained, which could result in Emmett Kaysinger and his boys, all known outlaws, be set free unless there is solid evidence to hold them for a double murder and robbery they committed.
