Trivia: Professor Plum reveals that he works for UNO, the United Nations Organization, in a branch called WHO, the World Health Organization. As such, he works for UNOWHO (You Know Who).
Trivia: Ellen's pornographic movie's name seems to translate in different ways on different versions of the movie. On DVD the caption reads "The Wet Hot Wife," on the TV Version, it reads "Slut In The Shower," and on some VHS versions the caption reads "The Whore In The Hot Tub."
Trivia: John Huston was nominated for the Best Director Academy Award for this movie. At the age of 79, Huston became the oldest person to be Oscar nominated for directing.
Trivia: Real counterfeit bills were printed during principal photography. The prop master got in some hot water for this, even though the bills were created specifically for a scene in which Willem Dafoe burns them in a fireplace.
Trivia: The bad guy, Fraker, real name Gavan O'Herlihy, is the lost son "Chuck Cunningham" on the first season of Happy Days in 1974.
Trivia: The hat that Fletch wears at the end of the movie is the same hat that Harry Dean Stanton wore in the 1979 movie "Alien."
Trivia: When Hooks punches Procter, Marion Ramsey actually hit Lance Kinsey in his jaw.