Edit
Ferris Bueller's Day Off (1986) Poster

Goofs

Factual errors 

When Ferris is running home at the end of the film, the shadows from the cars show that the sun is fairly high in the sky. However, when he stops to introduce himself to the sunbathers the shadows show that the sun is about to set. Furthermore, no one would sunbathe at that hour and the two women are not even facing the sun.
3 of 6 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Audio/visual unsynchronised 

When Jeanie is speeding down the street, her mother is hollering at her but she is sitting still and appears to be perfectly calm.
2 of 14 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Boom mic visible 

When Jeanie pulls up to the field in her car and she says "I hate him." You can see the reflection of the boom mic and the camera in her slightly rolled up window.
7 of 9 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
In the bathroom at Chez Quis, the boom mic is reflected at the top of the mirror.
6 of 8 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
At the very end when the credits are rolling but the movie continues, Rooney boards a school bus. When a student hands him a gummy bear, a mike is visible in the upper left of the screen.
3 of 5 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Character error 

During the Economics class early in the school day, two of the bored students have watches showing the time to be approximately 6:25.
9 of 10 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Rooney says that the French phrase "les jeux sont faits" means "the game is up". It really means "the bets are made"; it's what a croupier calls when he spins roulette, to forbid any new bets or changes in bets.
8 of 12 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Ben Stein is billed as an Economics teacher, however a still frame of Ferris's schedule on Rooney's computer (when Rooney is checking Ferris' absences) shows that he doesn't take an economics class.
8 of 13 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The economics teacher (Ben Stein) references the "Hawley-Smoot Tariff Act," but it's actually known as the "Smoot-Hawley Tariff Act."
3 of 10 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Continuity 

At the end, when Ferris kicks off his shoes before jumping in the bed, he kicks off three shoes.
When Ferris is running home, his shoes change from dress shoes (saying goodbye to Sloane) to canvas tennis shoes (running down the sidewalk) to running shoes (through his neighbor's house and back yard) and back to dress shoes (confronted by Rooney at the back door).
When Ferris and Sloane kiss goodbye, her fingernails change from short and unpolished to long and manicured.
The movie takes place in spring, yet at Cameron's dad's garage, some of the leaves on the trees are changing color, as they would in autumn. This is because it was filmed during the fall, and the leaves were hand painted green for the shot.
6 of 8 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Cameron first falls into the pool, his chair stays on the diving board; in the next shot it can be seen in the water behind him as he sinks. When Ferris dives in to save him, the chair is back on the diving board.
6 of 8 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When the Ferrari is being 'rewinded', the rear car tires actually move forward.
6 of 8 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Cameron's hair changes while talking to Mr. Rooney on the telephone.
3 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
At the end when Rooney gets on the bus, he walks over a grass easement. When the bus finally pulls away, it is shown from the back. The sidewalk is next to the road.
3 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Mr. and Mrs. Bueller come home at the end of the day, they find tons of flower arrangements for Ferris in the doorway. But no one was home all day to receive them, except (very briefly) Jeannie. Indeed, Mrs. Bueller was home at lunch tine and there were no flowers then.
4 of 6 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The dummy in Ferris' bed would not "sit up" when Jeanie flings the door open considering the way the string is attached (shown in earlier scene when mom peaks in on him).
5 of 11 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
(at around 12 mins) Ferris, in a reclining position, is talking on the phone. The cuffs of his trousers are below the tops of his socks. In the course of the conversation, through several edit points, his trouser cuffs alternate from being below the tops of his socks to being a few inches above the tops of his socks, five times.
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is playing the sounds on his keyboard, there is a tape sitting to his left. It changes positions, disappears and reappears.
2 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
At the beginning of the film, Cameron wears a Caduceus t-shirt which only has the logo, and nothing on the back of the shirt. After his catatonic phase at the end of the movie, he is wearing a green shirt inside-out (presumably to let it dry off), but now the shirt says "Airborne" at the top in block letters.
2 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
As Ferris sits in the Jacuzzi his hair is dry, and parted to the left. But before jumping into the pool to get Cameron, his hair is soaked.
2 of 5 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is singing on the float the camera pans the crowd where the exact same group of people can be seen twice.
2 of 5 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The police officer that escorts Sloane and Cameron away from the float that Ferris is on loses his jacket in an overhead shot.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The rear view mirror disappears when Jeanie is speeding home.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is on the phone in his bedroom talking to both Cameron and his dad, a Pepsi can is sitting next to a glass of Pepsi. A few seconds later the can is no longer there.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
In the hot tub, the Pepsi can moves between shots.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is trying to take off the mileage on the car, Sloane's hair changes from scene to scene.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The trophy that was used to "lift" the dummy is nowhere to be seen when Ferris gets back home at the end of the movie.
2 of 7 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The baseball glove the ball lands in, is nowhere to be seen, before or after Ferris throws the ball at the stereo.
2 of 8 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Rooney is calling Mr. Petersen, his assistant dials the number and Rooney picks up his phone. He is still holding it when the assistant dials the next number, but in the next shot he picks up the phone again.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is on TV catching the foul ball there are two pitchers warming up in the bullpen. However, when we cut to the conversation at the ballpark there are no such pitchers to be found.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The part in Ferris' hair switches sides.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The settings on the graphic equalizer component of Ferris' bedroom stereo system change between shots, even after he has adjusted them.
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The police officer who moves Cameron & Sloan away from Ferris' parade float is wearing a leather jacket. In the following shots the officer is only wearing a shirt.
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The seatbelt as Jeanie jumps out of the car.
0 of 11 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
During the Star Wars driving scene when the two parking garage attendants jump the Ferrari, the sky is full of clouds and then cloudless a moment later.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The number of times Sloane picks up her water glass in the restaurant after Ferris toasts her.
0 of 9 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Dean Rooney parks his car in front of Ferris' home, he parks at a slight angle, pointing away from the curb. The next time the car is shown, it is snug to the curb, facing directly ahead.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
At the beginning, when Ferris is explaining that this day is his 9th sick day, he fiddles with his stereo's equalizer, when we next see it, the EQ is back to its position before the close-up.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Sloane is speaking with Mr. Rooney outside the school, you can see a very blue sky with puffy clouds reflected in the doors. When the sky is shown in other shots in the same scene the sky is a much lighter blue and the clouds are flat and much thinner.
0 of 5 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris, Cameron, and Sloane are driving into the city, they are going south on Lake Shore Drive. They are supposedly doing this before noon, yet the sun is shining well from the west. before noon, it would still be in the eastern sky.
0 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The speedometer shown while Ferris is starting the car in the parking garage is not the same speedometer shown at other times (e.g. when the attendants are flying through the air).
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Jeanie is talking to the Boy in Police Station, his hair is flat, but when the camera comes back to him, his hair is sticking up and messy and it continues through the whole shot
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The weather changes during Tom Bueller's drive home from work. Just before turning onto the street where he encounters the old woman driving erratically, you can see behind him that the sky is overcast. When he turns onto the street, the sky is blue.
0 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is singing in the parade, the carnival float changes position numerous times between shots. In one shot it will be almost directly in front of the entrance to the financial exchange, in the next it is some distance further along the road, with the financial exchange sign only just visible.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
In the scene where Jean is in the police station, the druggie is staring at her. In the very next shot, he is looking away. Then in the next shot he's staring at her again.
0 of 7 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Cameron kicks in the front of the Ferrari he breaks the glass on the front turn signal, yet in the following scenes the floor under the car is clean with no broken glass visible.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Cameron is spoofing Sloan's father, Ferris calls in and Grace answers his call on line three. After Rooney speaks with Ferris, the scene cuts to a shot of his phone. Ferris is now on line two.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
While Ferris is singing Danke Schoen, Cameron and Sloan run up to the float and begin yelling at Ferris. We see a uniformed Chicago police officer in a dark leather jacket walk up to Cameron and Sloan to usher them away from the float. In the next scene (both up close and from a distance) we see a completely different police officer without a jacket on escorting Cameron and Sloan back to the crowd of people.
0 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The baseball Ferris caught at the game appears/disappears i.e. the bump in his pocket throughout the movie.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Rooney is on the phone with Mr. Peterson, he is speaking to him on line one of the phone. A second call comes in from Ferris and is answered on line three. When we cut back to Rooney and a close up of the phone - it shows line one as off hook (solid light) and line two in a hold status instead of the original line three.
0 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The weather and amount of daylight change radically numerous times throughout the movie in scenes that only take place within minutes of each other.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Jeanie and the boy in police station (Charlie sheen) are taking the time on her watch changes dramatically, sometimes 15 mins or more.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Crew or equipment visible 

When Cameron is being rescued by Ferris in the swimming pool, you can see one of the weights, that held him at the bottom of the pool, around his stomach as he is being pulled back up.
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Cameron is sitting in his car deciding whether or not to go pick up Ferris, a crew member can be seen walking around behind the left side of the house.
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris, Sloan, and Cameron pick up the Ferrari at the parking garage you can see the camera and its reflection in the window directly behind Ferris and Cameron.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
After Ferris picks up Sloane and starts talking to the camera you can see the shadow of a crew member moving around on the car's door.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Late in the movie where Ferris races his parents home, an orange hook and protective tape are visible on the hood of the father's car as he drives behind the old lady. The hook was used to secure the camera onto the hood for filming.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
During the Chicago fly by at the start of the movie, the helicopter taking the film is clearly seen reflected in one of the skyscrapers.
2 of 7 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
A reflection of a camera can be seen in the handle of the fridge near the beginning of the film.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ed Rooney first goes to the house to search for Ferris, you see a gold colored pot and a reflection of a crew member in it.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Errors in geography 

When Ferris is running down the street near the end of the movie, there is a palm tree in the background. This is because the scene was actually shot in Long Beach, California.
3 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When the exteriors of the Bueller Home are shown as Mr. Rooney tries to break in, there is a Bird of Paradise growing in the garden. The Bird of Paradise is a tropical plant species that would not survive outdoors in Chicago, where the film takes place.
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
During the scene where Rooney's car is being towed away, you can see a palm tree in the background as the tow truck is driving down the street.
0 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Factual errors 

The 6500 RPM redline is visible, but that Ferrari model did not have a redline marking.
4 of 5 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
"Danke Schoen" incorrectly credited as "Danke Shoen".
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Mr. Rooney's car is ticketed for being next to a fire hydrant. That hydrant is a wet pipe hydrant, but Chicago (being a cold weather city) has a dry pipe system.
4 of 9 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ben Stein is taking attendance, he calls "Adams, Adamly, Adamowski, Adamson ..." However, Adams is after Adamowski in alphabetical order.
2 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The parade in the movie is the Baron von Steuben Parade, which is a real event but takes place on a Saturday in September. While the film was actually in production during early autumn, it is supposed to be taking place in late spring, and obviously the other events in the film do not work if they're not taking place between Monday and Friday.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
In the parade while Ferris is singing "Twist and Shout", several members of the marching band are not playing marching-style instruments.
1 of 4 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Miscellaneous 

In the end titles, "Star Wars (Main Title)" in incorrectly credited as "Stars Wars (Main Title)" with an extra 's' at the end of Star.
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Despite the fact Ferris's dad joined in the singing of Twist and Shout he somehow failed to spot Ferris who was performing in public. He was in an office building several stories above a crowded parade - he wouldn't have been able to positively identify anyone, not even the main performer.

However, if he could hear the music playing, surely he would've recognized Ferris's voice saying "Cameron Frye, this one's for you" earlier.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Incorrectly regarded as goofs 

When Ed Rooney is picked up by the school bus, it is sometime around 6pm. This scene was originally intended to take place around the time the students would be coming home from school. (See trivia.) However, though 6pm is too late for kids to be just getting out of school, it is also possible this bus was returning from a field trip or other extracurricular activity. Additionally, since the film is set during late spring, it would have taken place after the local time was moved one hour forward for Daylight Savings. A good amount of twilight sun at that time would be entirely plausible.
2 of 6 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris' dad is in the car next to Ferris as they wait on the street, it shows Dad reading a newspaper that has a "Rally Around Sick Youth" article on the front page. Supposedly, there is no way the article could have made it to press in the middle of the day, let alone it being reported early enough to be printed for the same-day edition. However, Simone Adamley in the Economics class gave a lengthy explanation of Ferris's absence due to being sick at Baskin-Robbin's the night before. This "news" could've easily been reported and printed in time for the morning edition of the newspaper.
1 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
At the beginning of the movie, when it's about 7 or 8 in the morning, a clock in the high school hallway says 1:40, but it's not unusual for school clocks to be unreliable.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
In one of the first scenes where Ferris calls Cameron, Cameron reaches for the phone before it rings. However, right when the camera changes scenes (showing the exterior of Cameron's house), we can briefly hear the telephone ringing.
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Although the girls in the restaurant are playing a Karate Champ arcade game, the sound effects played are *not* from Karate Champ, but actually from Pac-Man. Keep in mind that this was an arcade/pizza parlor full of arcade games, so there could've been a Pac-Man game there as well that this sound effect came from.
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
Jeannie apparently did not recognize Ed Rooney after she discovers he broke into her house but this should be impossible given the pair go to the same school. However, given that she entered her house expecting to find her brother, and she suddenly saw someone who wasn't her brother, her parents, or anyone else she'd expect to find at her house, her first reaction would be to do exactly what she did.
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris saves the drowning Cameron, Cameron is kicking along with Ferris. However, Cameron's reaction later implies he was faking it.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Plot holes 

The scene where Ferris, Cameron, and Sloan are in the hot tub/pool doesn't make much sense. Cameron's house is in the woods, Ferris's backyard is shown to be all grass, and the same goes for Sloan's near the end of the movie. Who's house are they at?
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

Revealing mistakes 

The contraption Ferris made to fool his parents is a total shank. The trophy, that acts as counterweight is doing absolutely nothing. In one shot this is demonstrated as the trophy and the body-model start and stop at different times. They also move at different intervals.
4 of 8 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
While Ferris is singing Danke Schoen, Cameron and Sloan are walking in front of the "Flamingo" sculpture. A blonde extra walks behind them. About two seconds after she leaves the frame on the left, she reappears and watches the filming. When she realizes that she is back on camera, she quickly exits to the left again.
2 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris is trying to "remove" the mileage of the car, you can clearly see that the speedometer is not running, even though the wheels are turning.
1 of 3 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
The movie is set during the spring. However, during the parade scene, (around 58:09) a theater marquee is presenting "Godzilla 1985" and "Teen Wolf." Two movies that premiered in August of 1985 showing a huge continuity error in setting and time.
Is this interesting? Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris, Sloane, and Cameron are driving home in the Ferrari, Ferris changes lanes, but never turns the steering wheel.
0 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Rooney arrives at Ferris' house he is wearing a suit jacket and long sleeve shirt. Rooney rings the doorbell several times in the scene. One close-up of a doorbell ring shows a man's very hairy arm ringing the doorbell, certainly not Rooney's arm as he's wearing a suit jacket and long sleeve shirt.
0 of 2 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink
When Ferris, Cameron, and Sloane are in the garage and discover the Ferrari odometer is not going backwards, we see the tachometer needle at its resting zero point, even though the engine is running with constant throttle applied.
0 of 1 found this interesting Interesting? | Share this
Share this: Facebook  |  Twitter  |  Permalink

See also

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

Contribute to This Page