A Stranger Passed This Way Bonanza : Season 4 Episode 23

Bushwacked and suffering from amnesia, Hoss is found wandering down the road by the Vandervorts, an older couple who are happy to take the gentle giant into their family to replace the son they lost. But when Ben comes looking for his missing son, the Vandervorts lie about seeing him and refuse to tell Hoss who he really is, planning to take him to Michigan with them and away from his real family, and the Ponderosa, for good.