Laverne & Shirley is an American sitcom television series that ran for eight seasons on ABC from January 27, 1976, to May 10, 1983. A spin-off of Happy Days, Laverne & Shirley starred Penny Marshall and Cindy Williams as Laverne DeFazio and Shirley Feeney, two friends and roommates who work as bottle-cappers in the fictitious Shotz Brewery in late 1950s Milwaukee, Wisconsin. From the sixth season onwards, the series' setting changed to mid-1960s Burbank, California. Michael McKean and David Lander co-starred as their friends and neighbors Lenny Kosnowski and Andrew "Squiggy" Squiggman, respectively; along with Eddie Mekka as Carmine Ragusa, Phil Foster as Laverne's father Frank DeFazio, and Betty Garrett as the girls' landlady Edna Babish.

Happy Days is an American television sitcom that aired first-run on the ABC network from January 15, 1974, to July 19, 1984, with a total of 255 half-hour episodes spanning 11 seasons. Created by Garry Marshall, it was one of the most successful series of the 1970s. The series presented an idealized vision of life in the 1950s and early 1960s Midwestern United States, and it starred Ron Howard as Richie Cunningham, Henry Winkler as his friend Fonzie, and Tom Bosley and Marion Ross as Richie's parents, Howard and Marion Cunningham. Although it opened to mixed reviews from critics, Happy Days became successful and popular over time.