When Cindy Williams departed during the 1982-1983 season, due to pregnancy, her absence was explained by having Shirley moving out of the apartment to be with her husband Walter after he was transferred out of the country.
While still a defensive end with the L.A. Rams, actor Fred Dryer made his television debut in a 30 second spot as a lifeguard in Laverne's dream sequence in the 6th season premiere "Not Quite New York".
Michael McKean and David L. Lander were originally hired as writers/consultants. They wrote themselves into the show as Lenny and Squiggy, two characters they created in college. Squiggy was originally named "Ant'ny" but the producers wanted the two boys' names to coincide with the girls'. Squiggy was the name of an unseen character in McKean and Lander's "Lenny and Ant'ny" sketches.