The Champagne bottle that James put on the front seat in the Jaguar disappears between shots.
In the first scene, the dead man (Craig MacLachlan) is seen blinking as the camera pans away from his face after Cooper (Kyle MacLachlan) removes the chess piece from his mouth. -NB This scene does not occur in this episode.
A member of the crew in a blue shirt, holding a microphone in direction of Cooper is visible on the left side of the screen during the last but one scene, where Cooper enters the Sheriff's office.
Route 96 is identified as a road out of Twin Peaks. Washington Route 96 is located entirely in Snohomish County where the series is filmed, hundreds of miles from the northeast corner of the state where Twin Peaks is said to be.
When Audrey first enters Ben's office and kneels down beside him, the boom comes down into the shot before quickly rising back up.