This is the follow-up crossover episode to "Happy Days" Season 4 Episode 5 of "Happy Days": "Fonzie the Father."
"Rosie Greenbaum" is the second character portrayed by Carole Ita White in this series, after playing "Girl A" in "Dating Slump" (Season 1, Episode 9, which premiered on March 30, 1976.
First time Laverne drank her signature beverage, Milk and Pepsi.