The Ghostbusters are fighting creatures in the sewers, chasing down cults and research comic books to succeed in the their mission - to recover the Necronomicon that gets stolen from the public library.
Did You Know?
In one scene, Peter Venkman says that the place the Ghostbusters are at could "scare Stephen King." Stephen King is a noted fan of H.P. Lovecraft, whose mythos features heavily in this episode. He has even written a short story, "Jerusalem's Lot," that borrows heavily from the Lovecraft mythos. See more
Dr. Peter Venkman
This joint would scare Stephen King.