The Bogeyman makes a cameo in a photograph that comes to life and musses Peter's hair. His physical appearance differs considerably from his previous appearances on the show, most notably with a darker blue skin color. Peter seems to notice the change and mentions that the Bogeyman hasn't aged well.
Winston is fooled into thinking he was going to star in a Fizz Up commercial. Throughout the entire series, there is a giant Fizz Cola sign to the left of the Firehouse Headquarters.
Episode reuses its own footage with the Judge Ghost hitting the gavel and when Janine, Louis, and Slimer come into Ghost World.
Several of the Ghostbusters memorable foes make cameo appearances in a set of photographs introduced as evidence in the courtroom. These include the Bogeyman, Samhain, The Staypuft Marshmallow Man, Dr. McCatheter (in his human form), and The Ghostmaster General.