Cheyenne | Season 2 | Episode 7 | (Lone Gun)

Episode aired December 4th, 1956

Cheyenne is asked by Amarillo Ames to help drive his herd to Dodge City and take over if he dies but he doesn't want to tell the men or his daughter why. Ames dies so Cheyenne is forced to take over by force as he overcomes multiple foes.

IMDb: https://www.imdb.com/title/tt0540126