Joanna Moore (Peggy) was dropped after four appearances because producers felt she was "too glamorous" for Mayberry.
In this episode, Opie claims that Chicken with Crust is Andy's favorite. Later in the season, Andy says Leg of Lamb is his favorite dish in "A Wife for Andy."
This episode is the first mention of Johnny Paul Jason (only mentioned, not seen).
There is no closet next to the front door in this episode. Later episodes show a closet next to the front door.