Bonanza - Season 1 - Eps 12: The Hanging Posse
Adam and Joe reluctantly join a group of vengeful townsmen, who are out to lynch the three men who supposedly killed Vannie Johnson. The posse is run by Paiute Scroggs and Flint Johnson, the dead woman's husband. When Adam and Joe clash with them, they both separate and try to reach the three men before the posse does. This episode's storyline is a variation of the 1943 film "The Ox-Bow Incident".
About Bonanza

Title: Bonanza
First Air Date: 1959-09-12
Last Air Date: 1973-01-16
Status: Ended
Rating: 7.5/10 (from 440 votes)
Language: EN
Seasons: 14
Total Episodes: 431
Network: NBC
Genres: Western, Action & Adventure, Drama, Family
Production Companies: NBC, NBC Studios
Synopsis
The High-Sierra adventures of Ben Cartwright and his sons as they run and defend their ranch while helping the surrounding community.
Cast

Lorne Greene
Ben Cartwright

Michael Landon
Joe Cartwright

David Canary
Candy Canaday

Tim Matheson
Griff King

Mitch Vogel
Jamie Hunter Cartwright