Revealing mistake: When Tina kills her father and the dock collapses, one of the logs hits the camera underwater. (00:06:40)
Revealing mistake: Obvious stunt double for Tina as she drops the porch roof on Jason and when Jason grabs her and throws her onto the dock. Her hair becomes a smooth blonde wig.
Continuity mistake: When Amanda Shepard's watching the video of Dr. Crews forcing Tina to move the matchbook, on the left side of the screen, there are two plaques on the wall two inches apart from each other, but in the next shot as Dr. Crews enters the room, the plaques are now four inches apart.biglee1901