Audio problem: In the pub with Andy, when Les is talking about Graham Norton and Les says "Ooooh, Jackie Collins!", his lips have no relation to what he's saying.
The Chain Of Screaming - S3-E15
Audio problem: At the very beginning, after Ted says, "A new car", Lily's lips move, but she doesn't say anything. Obviously her dialogue was cut in post-production. (00:00:10)
Audio problem: When Cody orders the Number 8, someone says, "We got a Number 8". But no one's mouth moves.
What Have I Done To Deserve This? - S2-E20
Audio problem: When Alex pages Izzie and she comes outside, he presses her against the wall and then gives her a cupcake. When she takes it she goes "Oooh!" but her mouth is closed.
Audio problem: In the shot where Randy throws the glass of beer at the wall behind him in the Crab Shack, his mother's mouth is not synced with the audio that she is speaking: the audio was continued from another shot, and in this one, she is saying different words. (00:12:00)
Charlie Goes America All Over Everybody's Ass - S2-E9
Audio problem: When the Vietnamese man is playing Russian Roulette in the end, a few seconds after picking up the gun, he moves his thumb and we hear the gun cock. However, you can see that he didn't actually cock the gun, as his thumb never came into contact with the hammer while moving, hence the sound was a phantom sound.
Failure Is Not a Factory-installed Option - S2-E3
Audio problem: Stan looks out the window whilst being suspended from work. As he looks he sees two people exiting their homes and they both say "Bye buddy" and "See ya pal." Their mouths don't move.
Audio problem: When Ryan is saying "Angela drafted me", the audio is spliced after the word Angela and his exhaling is audibly cut off. (00:02:50)