First appearance of Janine's pink uniform with blue trim. She will wear that uniform (when on a job and not acting as secretary) for the rest of the series.
The Ghostbusters travel to Grossjuck Plaza in this episode. The name is a reference to executive producers Michael C. Gross and Joe Medjuck.
Graffiti in the subway includes the phease "No Contto Aid." This is a reference to the Iran-Contra Affair, which was taking place during production of the episode.
The voice actors were recorded on July 11, 1988.
Snow is falling in New York at the start of this story, which and takes place over a period of 3 weeks.