An ad lib by David Duchovny was cut from the final version. After the waitress at J.J.'s County Dinner dumps coffee in his lap, he complains: "Why'd you go and do that for? Now my crotch is going to be up all night!".
The role of Cher was written for Cher herself, a major X-Files fan. Unfortunately, she was unavailable at the time. However, she gave her blessing for her music to be used and for celebrity impersonator Tracey Bell to take her role.
Dr. Pollidori had to leave so he could deliver an address at the University of Ingolstadt. The Ingolstadt University is the institution where medical student Victor Frankenstein first had the idea of 'creating' a human.
Chris Owens, who plays the great Mutato in this episode, played the young Cigarette Smoking Man and goes on to play the recurring character of Agent Spender in the series.
Jerry Springer: as himself, in clips supposedly from The Jerry Springer Show (1991) but in fact created for this show.