Revealing mistake: When Leland Palmer is locked in the cell he starts screaming and runs headlong into one wall, then the other. The first wall wobbles noticeably on impact, indicating it is being shot on a set.
Twin Peaks (1990)
1 revealing mistake
Starring: Kyle MacLachlan, Madchen Amick, Dana Ashbrook, Michael Ontkean
Genres: Crime, Drama, Fantasy, Horror, Mystery, Romance, Sci-fi, Thriller
Visible crew/equipment: When Audrey enters her father's office to find him in the middle of his Civil War recreation, a boom mic dips into the shot over their heads. (00:18:40)
Giant: The owls are not what they seem.
More trivia for Twin Peaks
Question: Has David Lynch ever explained why the beings in the lodge talk funny?
Answer: The answer to pretty much any question beginning with "Has David Lynch ever explained _______?" is: no.