Dr. Quinn, Medicine Woman S05E08 - Remember Me

When a sick, old prospector wanders into town, Dr. Mike takes it upon herself to help reunite him with his family before it's too late after she tends to his ailments, one of which is the onset of dementia. However, she is unaware that Jake is the old man's son and he abandoned his family when Jake was still a child. After Brian announces that the prospector found a large nugget of gold nearby, Mr. Bray, Horace, and Hank catch gold fever.