According to director David Giancola, Castleton State College provided several free t-shirts for the film, thinking they would be hot items after they were featured in a movie. That happened a few years later, when the film premiered on Mystery Science Theater 3000 (1988).
Contrary to popular belief, the "woman at fountain" is played by Vicky A. Bourn not Lisa Kudrow. Bourn, whose character is billed as "worshipful one" in the credits, was dating the producer at the time.
The Revolutionary War battle depicted in the film is the Battle of Hubbardton, which took place on July 7, 1777 (as seen on the computer display in the plane). It was the only battle of the American Revolution fought in Vermont.