Bonanza - Season 8 - Eps 11: The Oath
While in another town, on business, Ben runs into a saloon employee who is a big figure, and after he kills an old miner, who has burned down his house, Ben takes him into the sheriff. He is sentenced and hung. Before his departure, Charlie Monahan, has made his half-breed son, Charlie Two, swear an oath to kill Ben. Little Joe is made aware of this and must track him down to prevent him from carrying out his oath against Ben. Charlie Two is unaware that Joe is Ben's son, as they meet on the trail.
About Bonanza

Title: Bonanza
First Air Date: 1959-09-12
Last Air Date: 1973-01-16
Status: Ended
Rating: 7.516/10 (from 441 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