The High Chaparral (1967)

Season 1: Episode 15

Henry Silva guest-stars as a revolutionary who plans to assassinate Benito Juarez, exiled President of Mexico, on the Cannon Ranch. Manolito frees his old friend Santos from a Mexican jail, where he has been imprisoned by the French as a terrorist for Juarez. Santos and his sister, Pilar, are taken to the Cannon Ranch where Victoria arranges for Juarez to plan an invasion of Mexico. Manolito learns Santos has turned traitor and plans to conquer French-ruled Mexico himself. Before Manolito can warn his friends, Santos's followers take over the ranch and prepare to kill Juarez upon his arrival.