The Simpsons (1989)

Principal Charming - S2-E14

Continuity mistake: Patty and Skinner go to see 'Space Mutants IV: The Land Down Under'. In a season one episode, 'The Telltale Head', a sign on the Springfield Aztec movie theater reads 'Space Mutants IV: The Trilogy Continues'.

Home Away From Homer - S16-E20

Continuity mistake: We see Coach cutting down trees in Flanders' former driveway. However there had never been any trees in Flanders' driveway.

Maximum Homerdrive - S10-E17

Continuity mistake: When Red has finished the steak, he lies back and is the same position for Homer's small speech. However, as soon as Homer starts to say 'Wait, you're not breathing,' Red blinks when he is meant to be dead.

Bart's Inner Child - S5-E7

Continuity mistake: When Homer and Marge are in bed Marge moves up and we can see she isn't wearing anything, but in the close up you can see that she is wearing her pyjamas - note the thing around her neck, then it's back to nothing.

Moe Baby Blues - S14-E22

Continuity mistake: After the slinky leaves Moe's hands, and goes out of Maggie's room, we see that Maggie's toy phone is right next to the door way, then when the camera goes towards Moe, and Maggie, then we see the toy phone next to Moe and Maggie.

The Mook, the Chef, the Wife, and Her Homer - S18-E1

Continuity mistake: When Bart and Fat Tony's accomplices are going to meet Krusty, Krusty's nose can briefly be seen as white when it should be red.

Cape Feare - S5-E2

Continuity mistake: When Bob has finished singing the score of the H.M.S. Pinafore, an English flag comes down. But when he draws his sword to kill Bart, the flag is gone. Where could it have gone?

Deep Space Homer - S5-E15

Continuity mistake: When Barney becomes his old self again at the training center, he gets on a jetpack while holding a bottle. In the next shot while he is in the air, the bottle is gone.

Little Orphan Millie - S19-E6

Continuity mistake: When the school bus drops off Bart and Milhouse at the Simpson house, Bart puts his backpack on frontwards and starts krumping. When he walks through The Front door, he is still wearing his backpack on his front. It then cuts to inside the house, and we still see him coming through the door, but the backpack is gone.

Little Orphan Millie - S19-E6

Continuity mistake: When the men from Festival Cruise Lines arrive at the Simpson house, they park in the left-hand lane (closest to the house) with the car facing oncoming traffic, seen both when they first pull up and, more, in the background while informing Milhouse about his parents. But in the overhead shot of the house, the car is parked the other way around, following the direction of traffic.

Treehouse of Horror XXI - S22-E4

Continuity mistake: In the second segment, after Roger has told them about what happened to him, a radio appears out of thin air.

Treehouse of Horror XXI - S22-E4

Continuity mistake: In the second segment, as Roger is telling them about what happened to him, as he finishes the story of Marge and Homer saving him, in his recount Marge is wearing a shirt and bikini bottoms (the shirt is covering the bikini bra). But when they saved her, she was just wearing a bikini.

MoneyBART - S22-E3

Continuity mistake: In the scene where Lisa is practising her fencing technique with Maggie, the coloring and lettering of Maggie's blocks keep changing.

Tree House of Horror VIII - S9-E4

Continuity mistake: Homer is dancing naked in the church and has his pants on the pew. There is then a wide shot and his pants are gone.

manthabeat

Burns Verkaufen der Kraftwerk - S3-E11

Continuity mistake: After the Germans have bought the plant, Homer takes a bite of his doughnut. The bite changes size between shots when Lenny and Karl ask him why he can't be fired. (00:09:10)

Ssiscool

Burns Verkaufen der Kraftwerk - S3-E11

Continuity mistake: When the two Germans are looking at Homer in Moe's, the one's hand is on his paperwork. Camera cuts and it's half off the paperwork now. (00:05:20)

Ssiscool

Burns Verkaufen der Kraftwerk - S3-E11

Continuity mistake: Homer pours his bottle of beer into his glass creating foam that is raised above the lip of the glass. Camera cuts and the foam has gone. (00:05:20)

Ssiscool

Burns Verkaufen der Kraftwerk - S3-E11

Continuity mistake: Moe opens the special Duff and foam appears down the bottle that disappears instantly. (00:05:10)

Ssiscool

Flaming Moe's - S3-E10

Continuity mistake: When Moe gets up on stage with Aerosmith you can see the big "Flaming Moe's" sign behind them. However in the close up the sign isn't visible. (00:13:30)

Ssiscool

Bart's Dog Gets an F - S2-E16

Continuity mistake: When Martin tells Bart about the answers being worthless, Bart is stood by the grass or the kerb depending on the shot. (00:04:00)

Ssiscool