The bookstore has Thanksgiving titles on display and the newspaper that Sherry reads has "Thanksgiving Greetings" indicating that filming took place in the fall of 1981.
The gumball telephone seen in MaryLou's house was manufactured by Paul Nelson Industries of Englewood Colorado who manufactured collectible telephones in the 1970s and 80s.
At the time of the film's release, Honey Wilder was 32 and Eric Edwards was 37. Meanwhile, their story-line "son & daughter" were depicted by 28 year old Kevin James and Dorothy Lemay.