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Continuity mistake: As Mrs. Robinson walks into Benjamin's room we see his dart board and someone has been playing between shots as the red dart above the board on the wallpaper moves six lines to the left. (00:06:40)

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Continuity mistake: Mr. Robinson sits in Benjamin's apartment waiting for him by the window as he smokes a cigar. In the first shot of this scene the cigar is lit, he never puts it out but several seconds later we see it again and it isn't. Then in the shot after that we see smoke blowing through the air as we look at Benjamin face. (01:31:30)

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Continuity mistake: Benjamin walks into his apartment and Mr. Robinson is sitting there waiting for him and his face and the back of his head are totally dark. In the next shot we see his face again and the left side is lit up. (01:30:50)

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Continuity mistake: The scene with Mr. Robinson in Benjamin's apartment lasts two and a half minutes. When Benjamin walked into the apartment his coat is soaking wet but as he leaves and walks past Mr. McCleery it's dry. (01:32:50)

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Continuity mistake: Benjamin runs into his apartment building and up the steps holding the flowers towards the floor. In the next shot he's holding the flowers upward. (01:30:25)

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Continuity mistake: Benjamin drives around looking for Elaine's wedding and stops at a gas station to use the pay phone. The call goes through and Dr. Smith's answering service says, "657-2036" but if you look closely that's not the phone number that we see him dial. (01:39:10)

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Continuity mistake: Benjamin pulls a cross off the window of the church and uses it to lock the people inside the church. If you look closely when we see the church from the outside the cross is not there and before he pulls it off the window there's a curtain in front of it, which disappears between shots. (01:43:15)

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Continuity mistake: As Benjamin runs into the Robinson house his feet are soaking wet and they leave several footprints in front of the doorway. When Mrs. Robinson runs in a couple of seconds later the floor is dry. (01:08:55)

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Continuity mistake: Benjamin breaks into the Robinson's house and runs upstairs looking for Elaine but finds Mrs. Robinson instead. As she picks up the phone to call the police we see nothing on the bed except a blue pillow. In the next shot there's a lot of other things now covering the blue pillow. (01:35:15)

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Continuity mistake: Benjamin goes into the bathroom looking for Carl Smith's friend Carter and there are many cans of shaving cream etc. in front of all the guys standing at the 5 sinks. In the next shot the shaving cream cans are gone. (01:37:45)

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Continuity mistake: Mr. Robinson confronts Benjamin in his apartment about the affair with Mrs. Robinson. As Mr. Robinson sits by the window the lamp shade to his right is dark, later when we see the lamp shade again as he gets ready to leave it's lit up. (01:32:15)

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Continuity mistake: Benjamin uses the cross that he pulls off the window to keep the wedding guests away from Elaine and himself. Right before they exit the church he charges the bystanders one last time then turns around and holds the cross as if he's going to swing it through the door. In the next shot he's just holding it outstretched in his hands. (01:43:25)

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Continuity mistake: As Benjamin approaches their house, Mrs. Robinson gets into the car and threatens to tell Elaine about their affair. Benjamin gets out of his car in the pouring rain and runs to the Robinson house and if you look closely he runs out from under the rain making machine about thirty feet from the car. (01:08:50)

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Continuity mistake: Benjamin takes Elaine to the bar at the Taft Hotel. As they leave the bar, both double doors are open as Benjamin walks through but in the next shot we have a different camera angle and only the door on the right is open. (01:04:50)

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Continuity mistake: After sitting in the car talking to Elaine's mother Benjamin runs into the Robinson house and up the steps to Elaine's room. Mrs. Robinson follows a couple seconds later and a statue of a poodle at the bottom of the steps is now facing in the opposite direction. (01:08:55)

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Continuity mistake: In the last shot of Benjamin and Elaine inside the bus he's facing forward and she's sitting slightly to the right of the center window divider on the back of the bus. In the next shot he's sitting sideways with his arm resting on the top of the back seat and she's moved about eight inches to the right. (01:44:45)

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Continuity mistake: Benjamin follows Elaine and meets up with her on a bus as she's going to the zoo to meet her boyfriend. After Elaine and her boyfriend walk off and leave Benjamin alone he looks over at two monkeys sitting in their cage. The first time we see them they're sitting next to a window, but in the next shot of them we're looking at two different monkeys that are not sitting next to a window. (01:20:25)

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Continuity mistake: Mrs. Robinson picks up the phone to call the police on Benjamin who has broken into her house but if you look closely she never dials the phone. (01:35:10)

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Continuity mistake: Mr. Robinson leaves Benjamin's apartment and calls him filth and scum as Mr. McCleery the landlord sits at the top of the steps listening. The painting on the wall to the left of the steps is not in direct light but in the next shot when Benjamin walks by the lighting has changed and a dark shadow cast by the frame against the wall is visible. (01:32:50)

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Continuity mistake: Benjamin brings some flowers for his date with Elaine and has them on the dashboard underneath the rearview mirror. As the scene progresses the box moves to the left in relation to the steering wheel and the rear view mirror above it without being touched. (01:07:45)

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