The High Chaparral - Season 4 Episode 12 Pale Warrior
Overview: Claiming to have been imprisoned by the Apaches for 15 years, a white man is befriended by the Cannons who soon regret their helpfulness. After aiding Talbot whom they find injured, John Cannon, Victoria, Buck and Manolito become suspicious of the man's true purpose for being in the Cannon Ranch area. It is Wind who uncovers evidence to confirm their suspicions.