Multiple times in this 1973 episode, the guest star utters the phrase, "Like a soft glowing candle in the window on a cold, dark night." Years later, in 1984, Kevin Cronin of REO Speedwagon wrote and released a #1 hit song, "Can't Fight This Feeling" that featured the phrase, "Like a candle in the window on a cold, dark winter's night."
On the night of September 27, 1973, about a month before this episode originally aired, James Stacy was taking girlfriend Claire Cox for a ride on his motorcycle in the Hollywood Hills. A drunken driver struck them, killing her and causing Stacy to lose his left arm and leg.
This is James Arness' shortest speaking role in the whole series with only one speaking line when he says "Festus?".