Nikolai

Team Homer - S7-E12

Revealing mistake: When the children are running down the hallway, the animation keeps repeating. Duplicates of the same children are running several times.

Nikolai

Three Men and a Comic Book - S2-E21

Audio problem: When Homer offers to take the family to Krusty Burger, Lisa is heard cheering, even though her mouth is closed.

Nikolai

Ned 'N' Edna's Blend - S23-E21

Revealing mistake: When Marge is talking to Helen Lovejoy about Canapés at the party, Marge's mouth disappears for a single frame.

Nikolai

Bart Sells His Soul - S7-E4

Continuity mistake: After Moe yells at Ralph, there's a woman in the background staring at Moe with an angry look on her face. She turns her head away from him after some seconds, but in the very next shot, she is looking at Moe with the same expression on her face.

Nikolai

Bart Sells His Soul - S7-E4

Continuity mistake: When Milhouse snitches on Bart, Martin has grey hair and a black suit. In the very next shot he has his ordinary hair and is wearing a brown suit.

Nikolai

Bart Sells His Soul - S7-E4

Continuity mistake: Jasper's beard is missing when everyone is singing "In-A-Gadda-Da-Vida" at church.

Nikolai

Springfield Connection - S6-E23

Revealing mistake: Homer's hand briefly turns transparent when he puts it on Marge's shoulder after he tells her to rip up the ticket.

Nikolai

Springfield Connection - S6-E23

Continuity mistake: While the Simpsons are eating breakfast, Lisa is eating what seems to be cereal from a bowl, but when she asks Marge if she needs to take a bullet for the mayor, she now has a plate in front of her with eggs and some other food.

Nikolai

Springfield Connection - S6-E23

Continuity mistake: The clothing of the women at the hair salon (Maude, Agnes, and Mrs. Krabappel) keeps changing color throughout the entire scene.

Nikolai

Round Springfield - S6-E22

Revealing mistake: Mr. Burns' body is not seen through the window of his car when he tells Smithers to drive.

Nikolai

Homer vs. Patty and Selma - S6-E17

Revealing mistake: While the Simpsons are having dinner, the top portion of the chair Homer is sitting on disappears when he tilts the chair back.

Nikolai

Lisa on Ice - S6-E8

Revealing mistake: While Bart and Lisa are skating off the ice rink, the skin color of one of the people in the background during the riot keeps flashing yellow and brown.

Nikolai

Bart's Girlfriend - S6-E7

Revealing mistake: When all the students are leaving Springfield Elementary after the fire alarm is pulled, the same students keep passing over and over again.

Nikolai

Homer Loves Flanders - S5-E16

Revealing mistake: The people waiting in line for the game are extremely crude drawings. Some of them aren't even completely drawn, e.g, some are missing arms, legs and other body parts.

Nikolai

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

Lisa vs. Malibu Stacy - S5-E14

Continuity mistake: When the Simpsons are leaving the house to go to the mall. The aerial shot shows that they are leaving in Marge's red station wagon, but the very next shot of them in the car shows that they are in Homer's pink sedan. The shot of the station wagon leaving is probably a re-used shot from a previous episode.

Nikolai

Lisa vs. Malibu Stacy - S5-E14

Continuity mistake: When the Simpsons are about to leave the house to go to the mall, they're all wearing jackets, but when they're in the car just a few seconds later, none of them have their jackets on.

Nikolai

Homer and Apu - S5-E13

Revealing mistake: Apu's moustache disappears for some seconds after having his name tag removed.

Nikolai

White Christmas Blues - S25-E8

Continuity mistake: While Mayor Quimby is giving his speech, Moe is in two places at once. He is simultaneously standing next to Mayor Quimby and amongst the crowd of people.

Nikolai

Smoke on the Daughter - S19-E15

Revealing mistake: When Lisa turns on the light while dressed in her Angelica Button costume, her mouth disappears for a single frame.

Nikolai