Audio problem: As Carlos is giving his speech at the barbecue, Julie sees Zach and says to Susan "Oh God". After cutting to a shot of Zach and his father it shows Julie and Susan again. If you look to the right of the shot you will see Carlos' face is just looking in front of him and not speaking, but you can still hear him giving his speech whilst he is in shot.
Audio problem: In the scene where Mr. Eko dies, he starts saying "Psalm 23." He says the first line, but when it cuts to him backing away he's half way through (note: righteousness).
Audio problem: When Martin arrives at Guy's flat, the first time Guy slaps him, the sound is a fraction of a second late.
Audio problem: When Mac and co. enter the basement of the house in Queens (the one where the third woman was found) the record player lifts off its needle and moves to another spot on the record, cutting off the sound for a second. However, the music starts again slightly before the needle hits the record.
The Quick and the Wed - S2-E15
Audio problem: When Kendal is at the prison talking to Aaron, she says, "Impressive handle," but you can see her reflection in the glass and her mouth isn't moving.
Audio problem: McKay is talking to Sheppard about the differences between himself and Rod, and at one point says that maybe Rod screwed up and was chosen for "a one-way ticket to another universe", yet his lips form the word 'galaxy'.
Episode #3 - S1-E3
Audio problem: When Muhammad is meeting with the group of Al-Quaeda leaders in the desert, the movements of his mouth do not match what he is saying in the foreign language.
Audio problem: Amber calls House and he hangs up on her. Her phone makes a beeping sound as she presses the button. Her phone is an I-phone, which doesn't beep like that.