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Risky Business (1983) Poster

Goofs

Audio/visual unsynchronised 

When leaving the Drake with Lana, and Guido approaches the Porsche 928, the back-up light flash momentarily before departure (this would indicate an automatic transmission passing through reverse). All sound effects indicate a manual.
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In the brothel scene, when the hooker places her hand on the boy's knee and scares him away, we see a drummer and a pianist playing in the upper left-hand corner of the screen, but we hear a recorded version of "D.M.S.R" by Prince. They are also visible just before Joel complains to Lana that some of the girls are wearing his mother's clothing, and once again we hear recorded music.
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When Joel is driving with Barry discussing the meaning of "boffing", the rear hatch of the Porsche 928 is bumping up and down because it isn't locked. It rattles loudly and the wiper arm jiggles noticeably, because the rear hatch lock sits in a polyurethane sound deadener.
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The 6000 series "L" uses dynamic brakes and not air brakes, during many of the "L" scenes you can hear the sound of air brakes releasing.
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Character error 

In the Princeton interview, Joel states that he wishes to major in business. Princeton has never offered a business major.

Continuity 

When Joel is the den talking to the college admissions guy Lana walks into the room and closes the door behind her. We see her long, blond hair swing around in the upper right of the screen. But an instant later we see that all her hair is tucked up into a black hat.
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Right after Joel's parents leave for the airport, Joel is eating a T.V. dinner and is pouring himself a Chivas and Coke. When he is pouring the Coke, some of it spills onto the table in the close shot. When they show the wide shot the table is clean.
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When Joel's parents call to check in and give him their flight information he repeats "Saturday, United flight 162, 3:30." Later at the lake Lana says to Joel "...bet your folks are nice, and they are gone til Sunday?" He replies "Yea."
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During the car chasing scene, the Porsche turns the corner revealing very obviously only one person inside it.
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When the Porsche starts rolling into the lake Joel screams she has locked the keys in the car. However, when the car is in the body shop the guy just opens it right up with no noticeable efforts to unlock it.
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The last item that Guido sells back to Joel is the glass egg. When Vicki trows the egg from the back of the truck, she is standing next to the flower print couch, still in the truck. In the very next shot of Joel, the couch is now sitting on the lawn. When he then goes to catch the egg, he jumps on the couch and then over to the piano.
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Lana approaches Joel and Miles outside of the hotel as they are standing by the car. Lana then says "let's talk in the car" and moves between Joel and Miles to get in, and we hear the door behind her. In the next scene, we hear Joel open the Driver's side door and we see him get in and close the door. We then see Miles already in the backseat though with the sequence shown, he could have never gotten in the car.
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Joel's cigarette while "selling" the party in the diner.
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During the car chase, it's the dead of night, with pitch black skies. But in at least one frame the sky is a dark blue, revealing that this frame was shot in either late evening or early morning.
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While Joel is crossing out ads in a newspaper, the pen turns from a white-tip to a black-tip.
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When Joel's mom calls & gives him the flight information for his parents' return trip, she says, as he pretends to write it down, Saturday, and the flight #. However, when they come back home at the end, his mom says, "I said the 5th" ,and he says "No, you said the 6th", when dates were never discussed.
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Crew or equipment visible 

When Lana enters Joel's room while he is studying, a crew-member grabs the doorknob.
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Errors in geography 

Joel and Miles see Lana in the hotel lobby of the Ritz Carlton Chicago but exit the Drake Hotel.
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Factual errors 

On two occasions in the film, Joel's SAT scores were revealed to be 597 Verbal and 560 Math. SAT scores were rounded to the nearest ten starting in the early seventies, so Joel's scores should both have ended in zeros.
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When Joel is raking leaves at the end of the movie, he pauses and takes a cigarette out of a pack of Marlboro Reds. The cigarette is all white - Marlboro Reds have brown filters.
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The Chicago transit system did not run single-car trains on its underground routes in 1983.
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During the "love making scene" on the CTA "El" train, the car is shown moving towards and away from the camera from several different angles. Some of these were done by reversing the film, indicated by the "white headlights" on the front of the train, moving away from the camera (not the correct direction of travel) or the opposite situation, the "red tail/classification" lights on the rear of the train moving towards the camera.
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The CTA car that Joel and the Hooker had sex on was part of the Lake/Dan Ryan line. The Lake/Dan Ryan line never ran underground in a subway, yet there is a scene in which the CTA car was in a subway.
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Incorrectly regarded as goofs 

When Lana is running across the lawn, she's barefoot, but in the very next scene, when you see her running from behind, she's wearing heels.

Frame by frame analysis reveals that she is wearing shoes, evident by the little red straps of her shoes.
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Guido charges toward the girls as they run toward Joel's house. In the next frame Guido is standing back where he was before he started running.

Guido charges, then stops. He never runs. He is standing where he started because he knew that chasing them would be futile, hence his reaction (throwing down the clothing) to his frustration over their behavior.
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Revealing mistakes 

The leaf-raking scene near the end of the movie is supposed to be windy, but the only leaves blowing are the ones at Joel's feet. The giant trees surrounding the backyard aren't even rustling.
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Spoilers

The goof items below may give away important plot points.

Continuity 

After Guido sells Joel his furniture back, there are still some items in the back of the truck. When Guido drives away, most of this stuff has disappeared.
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As the Porsche rolls down the hill onto the dock, Joel jumps across the hood on his belly. When the Porsche stops rolling at the end of the dock, Joel is shown still laying across the hood on his belly. In the next shot, Joel is shown sitting on the hood upright.
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Errors in geography 

Towards the end when Joel's parents are coming home from the airport, they exit at Dundee Road West which takes them towards Northbrook, IL not Glencoe, IL where they live. Glencoe is Dundee Road East the exit before.
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See also

Trivia | Crazy Credits | Quotes | Alternate Versions | Connections | Soundtracks

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