Jessi Colter, who is mentioned throughout the show, is a real-life country singer, and was married to Waylon Jennings until his passing.
The very first Mellow Mushroom pizza restaurant location can be seen early on, when the boys head to downtown Atlanta to confront the recording studio owner. The Spring Street restaurant can be clearly seen behind Bo Duke as the boys and Daisy talk outside the studio across the street. While the restaurant and other buildings have since been replaced by a huge parking garage, the "studio" building at 1200 Spring Street can still be seen on Google Maps.
This episode is only 1 of 2 episodes from the whole series where Boss' Cadillac has the convertible top up in the closed position. The other episode is Witness for the Persecution (1979) when Cooter returns the car to Roscoe after being repaired.
For a family friendly show, it's quite a surprise to see a brothel run out of the back of an RV.