This one does not end with Sam's trademark "Oh boy" exclamation, because Sam is gagged and about to receive an electric shock designed for mental patients.
The radio in the fallout shelter is a Zenith H-500 Trans-Oceanic which was introduced in 1951 and priced at $99.95.
Timothy Carhart and Kurt Fuller had each appeared in different Ghostbusters films. Carhart was in Ghost Busters (1984) and Fuller was in Ghostbusters II (1989).
In the original history, Burt Rosencranz was killed on October 27, 1962.
Dean Stockwell and Timothy Carhart would later co-star in Air Force One (1997) but do not appear together in any scenes.