The High Chaparral (1967) : 3x17

Joe, foreman of the Cannon Ranch, threatens to quit over John Cannon's mistrust of a new hired hand but later realizes that John's suspicions were well-founded. In need of new help for an upcoming cattle drive, Joe hires drifter Jelks, whose attitude and actions are questioned by the boss. Dissention erupts between John and his foreman over the new man, who inadvertently solves their differences by proving one of them wrong.