This episode contains numerous references to Jewish culture, perhaps owing to the fact that part of the episode is set in New York's garment district.
When the Ghostbusters get to the underworld, Venkman says, "People are always saying I should come here," suggesting people always tell him to go to hell.
The voice actors were recorded on November 19, 1986.
The Fates are based on the Parcae, in Greek and Roman mythology.
A demon stole from Benjamin Franklin during his famous lightning rod experiment, causing him to use a key instead of shears.