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.
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.