Starring: James Arness, Ken Curtis, Amanda Blake, Milburn Stone
The Fires of Ignorance - S20-E17
Continuity mistake: When the school teacher is questioning the father in court, he places a farmers' almanac on the judge's bench and walks away leaving it. When camera cuts to the judge with a clear shot of where the almanac was left, it is not there. (00:44:00)
Dr. Galen 'Doc' Adams: I'll tell you why the Hagens live so long.
Festus Haggen: Why?
Dr. Galen 'Doc' Adams: 'Cause they're too dumb to know they're dead.
Trivia: Although they played father and son in this episode, Jack Elam was only six years older than Harry Dean Stanton.