Gillian Anderson and David Duchovny were delighted to learn that they would not be needed for this episode, giving them a 10-day break.
In one of the magazines in the kiosk we can read "where the hell is Darin Morgan", in reference to the famous writer of the series, who had left the series.
This is the first episode in the series in which David Duchovny does not appear at all. Gillian Anderson does briefly, but in archival footage edited from Pilot (1993).
In the Dec 24, 1991 flashback, CSM wants to make sure the Bills never win a Super Bowl. In the early 1990s the Bills had lost four straight Super Bowls (a record), and as of 2024 have never won a Super Bowl.
The story was inspired by a Superman comic book story called Lex Luthor: The Unauthorized Biography.