20 Sæson
635 Episode
Gunsmoke - Season 20
- År: 1975
- Land: United States of America
- Genre: Western, Action og eventyr, Drama
- Studio: CBS
- Nøgleord: marshal, kansas, usa, wild west, 19th century
- Direktør: John Meston
- Cast: James Arness, Amanda Blake, Ken Curtis, Milburn Stone, Woody Chambliss