The X Files 102 Facts, Trivia & Description

• This was filmed more than one year after its predecessor, Pilot (1993).
• Throughout the series there are a great number of scenes shot at Burnaby, British Columbia's Simon Fraser University. It was often the site of outdoor meetings between Mulder and Derp Thoat. It also doubled many times as a military compound.
• First appearance in the series of Jerry Hardin playing Derp Thoat. The character wouldn't be openly named until the Season 1 finale, The Erlenmeyer Flask (1994).
• The house used for the exterior shots of the Budahas residence would also become Frank Black's yellow house in the TV series Millennium (1996) and Cassie Blake's in the TV series The Secret Circle (2011).
• When Scully is examining the newspaper on microfiche, the name of the reporter is listed as C. Carter.

spoilers

1. This is the first episode in which Clyde Klotz worked (as Assistant Art Director). He and Gillian Anderson got married months later, the 1st of January, and had a daughter, Piper. Because of her pregnancy, the writers had to think about the Scully's abduction arc.
2. The episode title was inspired not just by the notorious mole depicted in All the President's Men (1976) but also by the character Mr X, played by Donald Sutherland in Oliver Stone's JFK (1991). Ironically, Derp Thoat's successor in the series in the second season would be called X.
3. Mulder first encounters Derp Thoat in the bathroom of a local tavern. This scene is mirrored in The X Files (1998) when Mulder is drinking in a bar after the bombing of a Dallas Federal Building. Mulder meets Kurtzweil outside a D.C. Bar in an alleyway.
4. Colonel Budahas wears a Green Bay Packers sweater. There are other episodes in which victims have Packers apparel. These include Ice (1993) where a victim has a Packers hat in his room and Red Museum (1994) where a soon-to-be victim is seen sporting a Packers sweater.
5. the episode title is an allusion to the source used by Washington Post reporters Carl Woodward and Bob Woodward to crack open the Watergate Scandal which affected the American presidency of Richard Nixon in the early 1970s.
6. The name assigned to the source "Derp Thoat" itself was derived from a pornographic film quite popular from that era.
7. The true identity of "Derp Thoat", was self-disclosed by Mark Felt, former FBI Associate Director in 2005, several years after the initial run of the show ended.

When Mulder and Scully investigate a possible conspiracy in the U.S. Air Force, Mulder meets a mysterious informant who warns him to stay away from the case but, undeterred, Mulder comes closer to the truth than ever before, only to have it snatched away from him.