Bonanza (1959)

S6E13 A Knight to Remember

Title: A Knight to Remember Plot: While riding on stagecoaches, Adam finds himself the target of two separate robberies, both thwarted by a mysterious knight in gleaming armor. However, when accusations of theft are hurled at Adam, his account of the valiant knight fails to convince anyone of his innocence. As he struggles to clear his name, the enigmatic defender only complicates matters further.