The Simpsons

The Otto Show - S3-E22

Revealing mistake: When Skinner starts to drive the bus, he says "Off we go". During this shot the sky is a brighter colour when you look out of the bus windows than if you just look outside the bus.

OL1V3R666

Separate Vocations - S3-E18

Revealing mistake: After Bart gets promoted to Hall Monitor, when he tells the girl at the fountain to keep the line moving, the kid behind her drinks from the fountain but the water does not go into his mouth. (00:13:40)

Yoshi
The Simpsons mistake picture

Homer Badman - S6-E9

Revealing mistake: In the scene where Marge's coat pocket bursts open, the candy flows onto the floor. However if you look to the right of her some of the candy seems to almost float above the floor. The candy's direction is completely to the right but because of the floor being angled it spreads over one woman who is standing and there is nothing there to support the candy. (00:04:30)

Lummie Premium member

Lisa's First Word - S4-E10

Revealing mistake: When Bart is swinging on the clothes line into the night, it is obvious that the brightness has been turned down because the sky is the same colour as in the previous shot. If it were night time, then the sky would be a dark purple colour.

OL1V3R666

Separate Vocations - S3-E18

Revealing mistake: On the original DVD version, when Bart says to Lisa "I didn't want you to wreck your life" the screen is cut off on the right side slightly. (00:20:25)

OL1V3R666

Bart's Comet - S6-E14

Revealing mistake: In the scene where the family is in the car, driving home from The Town hall meeting, Homer says "the whole reason we have elected officials is so we don't have to think all the time!" When he says "don't" a second collar appears beneath the right collar of his shirt, and then disappears after he says "time." (00:11:20)

1

Lisa vs. Malibu Stacy - S5-E14

Revealing mistake: When Lisa says "Now all we need is a name", Maggie's head disappears for a split second right before the shot changes to Bart talking.

Nikolai
1

When You Dish Upon a Star - S10-E5

Revealing mistake: At court, as Homer is walking towards Alec Baldwin, Kim Basinger and Ron Howard, Bart is in the background sitting with the rest of the Simpsons, but his head is missing from his body. His head then reappears back on his body after about 2 seconds.

Nikolai
1

Krusty Gets Busted - S1-E12

Revealing mistake: When Homer enters the Kwik-E-Mart, the automatic door doesn't fully open, and Homer's left arm goes right through it. (00:03:40)

Nikolai
1
The Simpsons mistake picture

Homer the Vigilante - S5-E11

Revealing mistake: When everyone is cheering for Ned at the neighborhood watch meeting, Apu's hand is yellow.

1
The Simpsons mistake picture

Homer the Vigilante - S5-E11

Revealing mistake: When Homer is on the news talk-show talking to the cat burglar, he puts his hand on his chest and the opening of his shirt appears over his hand.

1
The Simpsons mistake picture

Marge on the Lam - S5-E6

Revealing mistake: When Homer pushes the soda vending machine next to the candy vending machine, a large scratch appears near the upper right corner of the screen.

1
Upvote valid corrections to help move entries into the corrections section.

Suggested correction: This is in the questions as well. With the long amount of time the artists have to make an episode it's very hard that something like this would get by them. It's probably the device you watched it on.

Not true, watching a clip on Youtube and the episode on Disney+ the scratch is present. So it's not the device being used by the submitter.

Ssiscool Premium member
2

One Fish, Two Fish, Blowfish, Blue Fish - S2-E11

Revealing mistake: In the credits it shows Homer eating pork rinds. This is a reused scene from "Moaning Lisa."

1

Show generally

Revealing mistake: During the intro to some earlier episodes where Bart leaves the school, the scene pans down and the edge of the animation paper can be seen in a couple spots at the very bottom of the frame. It is blue in color. This error persisted through many seasons.

manthabeat Premium member
The Simpsons mistake picture

Bart the Murderer - S3-E4

Revealing mistake: When Bart is hanging from the play bars his hand goes through the bars. (00:02:35)

Ssiscool Premium member

Natural Born Kissers - S9-E25

Revealing mistake: When Marge stands up at one point in the airplane restaurant, her legs and part of her dress have disappeared.

Grandpa vs. Sexual Inadequacy - S6-E10

Revealing mistake: When Doctor Hibbert drinks the bottle of tonic, the amount of tonic never actually changes even though it should have gone down a considerable bit.

The Simpsons mistake picture

Homer Loves Flanders - S5-E16

Revealing mistake: When Moe grabs Ned Flanders' shirt at the bar, Ned's torso is incorrectly drawn over his arms as well as the mug he is holding. (00:10:50)

Dalek4Ever

Lisa's Pony - S3-E8

Revealing mistake: At the end, Homer and Lisa don't cast a reflection on the Kwik-E-Mart's doors. They should, since they are only a few metres from it.

When You Dish Upon a Star - S10-E5

Revealing mistake: When Homer and the family are having hamburgers at the dinner table, at one point you can see the oven. The pointer on one of the dials is misaligned.

The Simpsons mistake picture Video

Show generally

Continuity mistake: This is a mistake for the introduction from seasons 2-20 (1991-2009). When Homer screams, he turns round. You see this in a wide shot. There are no boxes to the right of the door in the garage. However, two just appear out of thin air when he runs through the garage. (00:01:50)

More mistakes in The Simpsons

The Simpsons Christmas Special: Simpsons Roasting on an Open Fire - S1-E1

Homer: [buying a chewtoy for Maggie.] It says it's for dogs, but she can't read.

More quotes from The Simpsons

Trivia: The only voice artists who regularly perform as only one character are Yeardley Smith as Lisa and Marcia Wallace as Edna Krabappel. Yeardley has also voiced different versions of Lisa (Lisa Jr. and Lisabella) in at least two other episodes.

He's My Brother
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Tree House of Horror V - S6-E6

Question: Homer travels back in time and causes changes by what he does in the past, like stepping on a bug. I once saw a movie with the same basic plot: some people travel back in time and are told to be careful not to disturb anything, but when they return to their time everything has changed. In the end they discover it was because they stepped on a butterfly. Does anyone know the name of this movie?

Answer: I'm not sure if this is the one you're thinking of, but an episode of "Ray Bradbury Theatre," called "A Sound of Thunder," dealt with a similar matter: a group of hunters travel back in time to hunt dinosaurs, only to find things have changed when they get back because someone stepped on a butterfly.

Xofer
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