Cheyenne | Season 2 | Episode 8 | (The Trap)

Episode aired December 18th, 1956

Cheyenne rides into Stagge City (pop. 407) and is promptly arrested on trumped-up vagrant charges. After a "trial" lasting less then a minute, he's sentenced to 90 days hard-labor at the nearby silver mine, owned by Stagge.

IMDb: https://www.imdb.com/title/tt0540183