Beginning with this episode, the map behind Andy's desk in the courthouse is no longer a map of North Carolina. It is now a framed map of fictional Mayberry County, NC.
This particular episode shows Griffith giving up his efforts several times to keep from laughing at Don Knotts' character bits.
The car in the opening scene is a 1961 Ford Thunderbird convertible. This is the same car driven by Bill Bixby in "Bailey's Bad Boy" and Jean Hagen in "Andy and The Woman Speeder."
In this episode, the door to the shop next door can be seen inside of Floyd's Barber Shop. This door would appear and disappear in different episodes up to this point. In season one, the door lead to the beauty shop next door to Floyd's. In season two, it lead to the TV repair shop.
At the club, Barney mentions that there's nothing he likes better than hunting and a good game of golf. Outside of some fishing, Barney never does any hunting in the series.