Mrs. Havenwurst is the original landlady. The girls raise baseball bats to the door when Mrs. Havenwurst knocks, and this would be a continuing joke with the next landlady, Edna Babish. There is no storyline explanation as to why Mrs. Havenwurst left and was replaced by Edna.
Shirley loves reading "Dick Tracy's Crimestoppers" from the Dick Tracy comic strip.
Shirley's beloved stuffed animal, Boo-Boo Kitty, makes its debut.
"In the Still of the Night" by the Five Satins is heard in this episode.
Bo Kaprall makes his first appearance as Officer Norman Hughes.
Shirley once won a spelling bee when she was in school.
In the early episodes, especially, characters of a German persuasion were featured such as Wolfgang in this episode and a German delivery boy in another. Squiggy is German, as well.
The famous picture of the clown juggling the balls on Laverne and Shirley's wall was used for the girls' room on The Brady Bunch.
This was the first episode to establish Shirley and Carmine's relationship as being an ambiguity, but most episodes to follow would portray them as being more of a steady couple. As time goes by, Shirley and Carmine become more of an item, and Shirley makes it clear that Laverne is never supposed to touch him.
This episode features the first mention of Lenny's last name, Kosnowski. It is revealed when he joins the army reserves.
The brewery is always closed on Mr. Shotz's birthday.
When Laverne kisses her boyfriend to see if she gets goosebumps, part of the off-stage area can be seen by the front door.
According to Father Flanagan, Lenny has not been to church in three years.
This episode gives the first shot inside of Laverne and Shirley's bedroom.
Laverne, Shirley, and Anne Marie were known as the Three Musketeers in their high school days. Laverne was "Gutsy," Anne Marie was "Nutsy," and Shirley was "Klutzy."
In the closing credits, Lenny's last name is displayed as "Kolowski" when it is clearly "Kosnowski" in the actual show.
Ruth Silveria appears as Karen but is not credited.
Laverne is on the bowling team "The Hot Shotz," but, later, in the "Birthday Show" episode, the girls are on the rival team, "The Big Shotz."
Shirley's favorite foods are Scooter Pies, fishsticks, and pizza with pepperoni and onions.
Eddie Mekka and Phil Foster make their first appearances in this episode.