Trivia: The domed city seen in a few shots is the same model city used in Logan's Run.
Trivia: When Kelly Lebrock is on the subway grate getting her dress blown up, it's a nod to Marilyn Monroe's movie " The Seven Year Itch."
Trivia: In the opening scenes Paul Reuben, driving a camp bus, is passed by a motorized "wheelchair." This was the world's first "Personal Mobility Vehicle", invented in 1959, named the "Ramble Seat." This prop has never been seen again, despite the family looking for decades.