Trivia: There are 133 F-words in this movie.
Trivia: The first time they filmed the part with Josh's teeth and flannel in the sticks, the directors had left it outside the tent, not telling Heather. When she got up in the morning, she picked up the bundle of sticks and threw them off to the side without looking at it. They had to contact her and re-shoot it.
Trivia: Writers and directors Myrick and Sanchez were catapulted into stardom and prosperity due to the success of The Blair Witch Project. In an interview, the question was raised: exactly how rich were these two men? One responded, 'I'm not allowed to say, but I'm looking at houses for the first time in my life.'
Trivia: The scene where all the actors realised they were walking in a circle all day was not in the original script. They were all really angry when they had found out they had walked all day for nothing.
Trivia: After its release in 1999, "The Blair Witch Project" went on to make a fantastic $250 million profit on its lowly $64,000 budget, largely due to the film's realism; audiences were chilled by the possibility that this "found footage" was the real thing. But any cable viewers who followed the Independent Film Channel (IFC) knew very well that "The Blair Witch Project" was a purely scripted work as far back as 1997, when "The Blair Witch Project" writer/director Daniel Myrick previewed a segment of the work-in-progress featuring an 8-minute "pitch" (comprised mainly of voice-overs and edited footage) on IFC's specialty program, "Split Screens." Audience feedback was later gathered through traditional test-screenings.