The trucker that appears in this episode later appears in "Venkman's Ghost Repellers".
When the Ghostbusters get a call, Peter asks if it's Gremlins in the Guggenheim. The Ghostbusters encountered Gremlins in "Don't Forget the Motor City".
Ray mentions Jack Higgins was the blackest pirate to sail the seven seas. This is usually recognition reserved for Blackbeard.
According to Ray, at the time of incident, the last recorded event of similar magnitude was 200 years prior.
In this episode, Peter gets the chance to fire a cannon, something he always wanted to do, and Winston gets to swing like Tarzan, also something he always wanted to do.