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Continuity mistake: As Melanie and Annie talk about Lydia, Melanie never stops holding her drink with both hands but her necklace gets higher on her neck between shots. (00:43:55)

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Audio problem: In the restaurant when Mitch says, "We can get Cathy at Annie's now" his lips are out of sync with what he is saying. (01:28:10)

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Continuity mistake: In a close-up of her driving to Bodega Bay Melanie turns the steering wheel to the left and we hear the screeching of her wheels, but the background indicates she's still going straight. (00:11:05)

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Continuity mistake: As Melanie parks in front of the school there's a big hunk of black tar on the rear quarter panel of her car behind the tire, that wasn't there in the previous shot. (01:08:15)

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Visible crew/equipment: When Melanie walks out the door carrying the tray with the tea pot on it you can see a reflection of the stage lighting for the entire shot. (01:07:50)

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Deliberate mistake: When Melanie first walks into the classroom she sees five rows of students. Later when the students are about to leave there are only four rows of students, now ending with the boy in the plaid shirt (closest to the camera), in the front. The row on the left has been removed so the camera can pan from left to right in the side shot. (01:08:50 - 01:13:00)

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Continuity mistake: As Melanie runs into the phone booth from the restaurant the four poles that were around it when Mitch walks her to the restaurant after the gull attack have disappeared. (01:26:10)

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Continuity mistake: As Melanie returns to Annie's house the sun is shining brightly overhead and not casting any shadows onto the front door. In the next shot as she rings the doorbell there are two distinct shadows of her on the house, one to her left and one to her right. (00:31:05)

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Continuity mistake: There are two different perspectives when Mitch puts the peroxide on Melanie's cut. The first is the close-up of her face and there's no blood on the piece of cotton. The second is the close-up of him and in these shots there's plenty of blood on the cotton, and they keep switching between the shots. (00:27:35)

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Continuity mistake: As Melanie talks to Mitch the stack of magazines on the desk are straightened up and moved to the right between shots. When we first see them as Annie sits behind the desk smoking her cigarette they're not stacked evenly. (00:45:45)

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Audio problem: As Mitch points with his left hand towards the beautiful view from the top of his hill, he is saying something to Melanie, that has been edited out. (00:48:20)

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Continuity mistake: As she attempts to get the bird out of the cage for Mitch, Melanie places the pencil over her ear and a lock of her hair drapes over it. Then when she says to Mitch, "What did you say?" the pencil is now pushed into her hair but she never went near it. (00:05:45 - 00:06:25)

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Continuity mistake: After Mitch ties the shutter closed both sides of the window look identical with each shudder being seen through the window, but as he walks back into the living room just before the lights go out the left shutter is the same and the right shutter is black. (01:44:05)

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Continuity mistake: As Lydia looks through the window of Mr. Faucet's kitchen there is a distinct pattern on the wall to her left. As she comes through the door the pattern on the wall is different and she's in a different room. (00:59:35)

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Continuity mistake: The lamp over the dining room table, when Melanie brings Cathy back from the bathroom, is not this same lamp that was there as they were listening to the television report. Before it had a glass bottom and now the entire bottom is made of metal. (01:40:15)

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Continuity mistake: As Mitch checks the doors and windows Melanie sits with Cathy on the couch. Notice the fruit bowl under the lamp. At the beginning of the attack the red apple jumps to the front of the bowl from the back without anyone being near it. (01:36:50)

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Visible crew/equipment: Out on the water you can see a lot of stage lights reflected in the engine of Melanie's boat. (00:21:30)

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Continuity mistake: When we first see Annie's house shrubs are growing right up to the edge of the right and the left side of her fence. Then when she is lying there dead the shrubs on the left side of the fence are different. (01:30:30)

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Continuity mistake: After Annie lights Melanie's cigarette her left hand moves from the lighter to her cigarette between shots. (00:17:00)

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Continuity mistake: Melanie's car changes positions from the time she parks near the front steps of the school. As Melanie walks out of the school to sit by the monkey bars to when she runs back to the school, and then when the children run out of the school. (01:09:30 - 01:11:40)

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