Shirley says her favorite Christmas song is "O Come, All Ye Faithful."
Laverne and Shirley moved into the building in 1956.
Laverne and Shirley's money is kept in their Bible, but instead of keeping it at Ezekiel 26 as they usually do, it is between the Old and New Testaments "where they have the ads."
In this episode, The Pizza Bowl celebrates its 10th anniversary.
Shirley says she got straight C's in school.
Laverne says she can't follow the stories on the television series Ben Casey. This episode takes place in 1960, but Ben Casey didn't premiere until 1961.
It is revealed that Shirley's favorite movie is Casablanca.
The janitor's name is Raul.
It is revealed that Edna dumped her third husband, Johnnie, on Divorce Court.
As Lenny approaches Carmine and Shirley, who are sitting on a stoop, he is wearing a pair of leather biker boots. Yet, when he walks into the street and starts to dance, he's wearing a pair of white canvas Converse Jack Purcell sneakers/plimsolls.
This is the first episode in which Frank has a mustache and white hair.
Laverne's grandmother appears to have Laverne and Shirley's Milwaukee kitchen in her New York apartment.
Of her five ex-husbands, her third, Johnnie, is the only one to appear in the series.
It is revealed that Squiggy is a Lutheran.
The bedtime prayer Shirley recites is "Now I Lay Me Down To Sleep."
Carmine sings "Personality," by Lloyd Price.
Shirley worries in a later episode about whether she is adopted saying no one in her family has dark hair. In this episode, her cousin, Mikey, has dark hair.
"Breaking Up Is Hard To Do," by Neil Sedaka, is heard on the jukebox.
When Laverne and Shirley talk about Amy in the beginning of the episode, Shirley says "18 years old and she's only in the eighth grade." However, her lips read "fourth grade."