The outdoor LA fast-food restaurant seen in the film was the Original Tommy's Burgers which first opened in 1946 on the corner of Rampart and Beverly.
Last fully completed film of actress Natalie Wood whose performance in her final film Brainstorm (1983) was incomplete.
One of two 1980 theatrical release films of director Gilbert Cates, the other being Oh, God! Book II (1980).
Actress Natalie Wood once described this movie as "Bob & Carol & Ted & Alice (1969) ten years later". Wood had starred in that earlier rom com.
The movie is considered a 1980s update of the earlier Paul Mazursky comedy Bob & Carol & Ted & Alice (1969). It is also one of three 1980 films that have been likened to Bob & Carol & Ted & Alice (1969). The films include Loving Couples (1980), A Change of Seasons (1980) and The Last Married Couple in America (1980).