In the opening scene, Laverne says that Amelia Earhart vanished "over forty years ago." Earhart vanished in 1937 which would make Laverne's statement to mean that the current date is beyond 1977. This episode takes place in 1967.
Always keeping Shirley close to her heart, Laverne has a painting of Boo Boo Kitty on her apartment wall.
This is Vicki Lawrence's final appearance as Sergeant Alvinia Plout.
The nuns in the monastary are under a vow of silence but are, aparently, allowed to sing.
Chuck's dog's name is Willie.
Michael McKean appears as Lenny but is not credited.
Along with Cindy Williams, Michael McKean began to be featured less and less during the eighth season. He would, however, gain an increased behind-the-scenes presence.