This episode was an introduction of new characters for a spin off called 'Hello Larry' that lasted two seasons.
This episode marks the first time Mrs. Garrett mentions her sister, Beverly Ann Stickle, who later replaced her on The Facts of Life (1979), but she is simply called "Beverly" and is not seen.
Maclean Stevenson talks about how he was in Korea in the military with Mr. Drummond. Maclean Stevenson played Lt. Col. Henry Blake on the show MASH which is about a medical unit in the Korean War.