The network received several complaints from concerned parents about the phallic-looking nose of the elevator ghost.
This episode establishes the timeline for the series about one year after the events of Ghostbusters II (1989). The psychomagnetheric slime from the film also makes its first appearance in this episode, although it differs in color and supernatural properties from the film. Additionally, Egon mentions having battled Vigo the Carpathian.
Samhain makes a cameo appearance, playing poker with other ghosts in the containment unit.
The Staypuft Marshmallow Man makes a cameo inside the containment unit and recognizes Slimer.