Hanging on the wall of the restaurant where the tutor and Barbara went on their date is a picture of the musical group Orleans who were very popular at the time.
Barbara's boy wonder tutor wants their second date to be on Saturday November 3, 1990. The writers got it correct that it would be a Saturday, but the characters stated that it would be 10 years from now, when it would actually be 11 years from the air date of November 11, 1979.