Continuity mistake: In the scene where the killer is in Cindy's house, the killer is hiding behind the couch. When you see shots of the killer, the cell phone is in his right hand and the hook is in his left. When she notices him and he stands up, the phone is in his left hand and the hook is in his right.
Continuity mistake: When the killer jumps up behind Ray and stabs him through the back with the hook, we see he obviously gets lots of blood on it. Watch it when he goes to stab Cindy and misses. It hits the cupboard and is completely clean. The hook is clean for the rest of the time he has it.
Continuity mistake: In the flashback of the gang killing the fisherman, Shortie drives up in his car and just as someone says, "Brenda take care of them" there is a shot of the car with no smoke inside it. The camera cuts to a view of Brenda approaching and the car is full of smoke.
Continuity mistake: Near the end of the movie, when Ray is stabbing Bobby, Cindy says "You've watched one too many TV shows." Ray points the knife at her. At this point the knife is in his left hand but when he turns back round to stab Bobby again the knife is back in his right hand. There is not enough time for him to swap hands between shots.
Continuity mistake: When there are shots of the popcorn cooking on the stove, growing larger, in some shots there is a popcorn wrapper to the right of the stove, in others there isn't. Also Drew puts a silver salt pot down to the right of the stove, which has disappeared in later shots.
Continuity mistake: In the scene when Ray goes to the restroom while at the theater there are men urine racing.There are five urinals. The man with the white hat is to left. The man with a black cap is to the far right.when the third man from the left is declared winner.The man with the white hat shifts right one space and the man with the black hat takes his old spot.
Continuity mistake: After Heather is campaigning in the hallway of the school and giving out flyers, Buffy grabs the flyer and lets go of it, and is holding nothing. In the next scene where Buffy, Brenda and Cindy walk over to their boyfriends, Buffy all of a sudden has a folder, some books and a banana in one hand.
Continuity mistake: When Greg confronts Ray about the picture he found in the locker room, he shows them all and they start laughing. Buffy is on the left part of the screen, (on Cindy's right side), then Cindy explains that she got a note. Then when she says: "Somebody knows.", Buffy is more to the right (or left of the screen) than before. Then when Cindy says they have to call the police, Buffy's back to where she was at first.
Continuity mistake: When Ray tells Brenda to put on his football gear, he hands Brenda his shoulder pads. When Brenda accepts these she has two braids hanging down in front of her. The camera cuts to Ray for a second then back to Brenda. When the camera has cut back the two braids have moved over her shoulder. She couldn't have moved them with her hands as she is holding Ray's shoulder pads with both hands.
Continuity mistake: The living-room in Cindy's house has wood plank flooring, which is perpendicular to the plank flooring in the hallway, as seen at the doorway when she runs down the stairs and locks the front door. However, when she runs up the stairs as the killer chases her, the living-room wood flooring at that doorway is gone.
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Continuity mistake: In the scene where Cindy was fighting the killer Matrix style, she threw a brass ornament at the killer like a Frisbee and the killer dodged it, and the brass ornament should have gone out of the window by smashing through it. But the window was broken by the killer flying out of the window after Cindy kicked him/her. The brass ornament has mysteriously disappeared into thin air.
Continuity mistake: During the final confrontation scene between Cindy, Bobby and Ray, watch the knife that Ray holds. During close-ups it's a hunting knife with a fairly large blade. However, during a couple of the long shots, the knife blade is a different style and much shorter, obviously the prop knife used for the stabbings.
Continuity mistake: In the scene when Cindy comes out of the school where the jumper is on the roof, its very sunny just a few feet beyond the door. However in the shots where Cindy is facing the school and when she screams "What are you waiting for" - the area is now completely shaded.