The Simpsons (1989)

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.

Dancin' Homer - S2-E5

Continuity mistake: When Moe is wiping the beer glass at the beginning of the episode, the glass is initially smooth but changes to dimpled in the very next shot.

El Viaje Misterioso de Nuestro Homer (a.k.a. The Mysterious Voyage of Our Homer) - S8-E9

Continuity mistake: When Homer is starting to go crazy and Ned's face has all the eyes, you can see Jasper in a blue tent. Homer runs away from Ned, going past Jasper's tent, up to a crowd of people...which includes Jasper.

Pay Pal - S25-E21

Continuity mistake: When Homer sits down at the breakfast table with Marge, there is nothing in Marge's cup. In the next shot, a spoon suddenly appears, and after a quick cut to Homer, we return to them both and the spoon has gone again.

Pay Pal - S25-E21

Continuity mistake: When Marge is speaking to Homer at the breakfast table, the spoon in Marge's cup changes position between shots.

Pay Pal - S25-E21

Continuity mistake: When the students have to practice square dancing in the gym, Lisa spots a male student and there is a red circle next to her on the floor where she is standing. When the teacher tells Lisa she has to dance with groundskeeper Willie, the circle has disappeared.

Pay Pal - S25-E21

Continuity mistake: When Lisa arrives home after her parents gave the boy a party, she parks her bicycle near the path. When Lisa sees the boy with make-up on his face in the next shot, the bicycle is on the grass.

Pay Pal - S25-E21

Continuity mistake: When Lisa and Tumi are listening to the radio in Lisa's bedroom, the door behind them changes position between shots.

Pay Pal - S25-E21

Continuity mistake: When Lisa and Tumi have finished their square dancing, there is nothing to the left of the basketball stand, but when Lisa and Tumi are talking in the next shot, three balls have appeared.

Pay Pal - S25-E21

Continuity mistake: When Lisa says "Answer me!" when her mother is ironing, Marge initially puts the iron down on the shirt but in the next shot it is now beside the shirt.