Nikolai

Homer the Heretic - S4-E3

Revealing mistake: When Lisa says "Truly this was an act of God", her ear disappears and reappears several times. (00:19:30)

Nikolai

Separate Vocations - S3-E18

Continuity mistake: When Dolph and Kearney give Milhouse a "wedgie", they are both shorter than usual.

Nikolai

When Flanders Failed - S3-E3

Continuity mistake: When Ned starts talking about the Leftorium during his barbecue, Marge's dress is pink in one shot. (00:04:05)

Nikolai

Stark Raving Dad - S3-E1

Continuity mistake: After "Michael" comes out of the Simpsons' car, there's a shot of the crowd's shocked reaction. Oddly, Groundskeeper Willie seems to have grey hair and brown skin.

Nikolai

Principal Charming - S2-E14

Audio problem: When Patty says "Marry me Patty?" while reading Skinner's message, her mouth doesn't move.

Nikolai

Homer's Night Out - S1-E10

Continuity mistake: Milhouse makes a copy of Bart's photo for a brown skinned boy, but the boy's skin turns yellow when his father scolds him. (00:09:40)

Nikolai

Homer's Night Out - S1-E10

Audio problem: When Lenny introduces Princess Kashmir, his mouth is open without moving when he says "presenting", and when he says "Princess Kashmir", his mouth only moves when he says "Princess", but is closed when he says "Kashmir." (00:07:50)

Nikolai

The Telltale Head - S1-E8

Continuity mistake: When Bart hits the streetlight while skateboarding, the streetlight is blue when he hits it, but turns grey as he lies on the floor. (00:08:50)

Nikolai

The Call of the Simpsons - S1-E7

Continuity mistake: When Homer is driving through the river, in one shot while Marge is talking, Homer's vest and shirt switch colors (from green shirt and grey vest to grey shirt and green vest). (00:07:15)

Nikolai

Bart the Genius - S1-E2

Continuity mistake: When Homer talks to Bart about ties, the two strands of hair on top of his head are missing. (00:09:20)

Nikolai

Eternal Moonshine of the Simpson Mind - S19-E9

Continuity mistake: Near the end, when Homer says "I'm a genius", Krusty is seen with yellow skin, but is later seen with his usual white skin.

Nikolai

Dude, Where's My Ranch? - S14-E18

Continuity mistake: When Lisa goes to save Clara, she's wearing the same dress she took to the dance, but after Clara walks safely back to land, Lisa is wearing another outfit entirely, then changes back to her previous outfit in the very next shot, then back to her unknown outfit seconds later.

Nikolai

E-I-E-I-(Annoyed Grunt) - S11-E5

Revealing mistake: After Lisa says "For a product that's evil and deadly" while standing in front of the tomacco stand, there's a duplicate Lisa behind her that stands still while she moves, giving Lisa the appearance of having two heads. It looks like the animators made a mistake while trying to animate Lisa.

Nikolai

The War of the Simpsons - S2-E20

Revealing mistake: When Ned says "Crème de cassis" while describing what was in the drink he made. There are several animation errors in this shot. His head is disconnected from his body, and his nose disappears. Also, a part of his face is missing between his fingers while he does the 'OK' hand gesture.

Nikolai

The Day the Earth Stood Cool - S24-E7

Audio problem: When Homer says "Can I man hug you?", he mouths "Can I brother hug you?"

Nikolai

A Totally Fun Thing Bart Will Never Do Again - S23-E19

Audio problem: While Bart is in the communication center, the second time Bart says "Squirt!", his lips don't move.

Nikolai

Politically Inept, with Homer Simpson - S23-E10

Revealing mistake: Right before Homer is patted down at the airport, his facial hair briefly flickers yellow.

Nikolai

Politically Inept, with Homer Simpson - S23-E10

Revealing mistake: While Homer catches his underwear with his tongue after the Simpsons' clothes burst out of the suitcases, Homer's tongue briefly passes through his underwear.

Nikolai

The Man in the Blue Flannel Pants - S23-E7

Audio problem: When the woman on the DVD Bart is watching says "Are you sure you're Martin Scorsese?" her mouth is completely out-of-sync with her voice.

Nikolai

The Man in the Blue Flannel Pants - S23-E7

Audio problem: In the rafting scene, while Marge says "And maybe when we get home, we can ride down something else?" part of her dialogue does not match her mouth movements.

Nikolai