Bonanza

Season 4, Episode 23

Episode Title: A Stranger Passed This Way

Air Date: 1963-03-03

Overview:

Hoss develops amnesia after being bushwhacked and hit over the head by two outlaws and moves in with a Dutch couple. The woman regards him as a substitute for her dead son, and unless he recovers his memory, the other Cartwrights fear he will leave them forever.