Audio problem: The aliens that populate the planet of Geonosis have an extremely peculiar method of speech - consisting of clicks and weird ringing sounds. However, despite the fact that they make up 99.9% of the crowd in the arena, the sound of the crowd cheering is human. (01:44:10)
Audio problem: When Anakin and Padme are talking after their meal together. When the camera is facing Anakin at one point he says "Believe me I wish that I could just wish away these feelings I have for you!" and then stops talking. When the camera switches to face Padme, if you watch closely, Anakin's mouth is still moving even though he isn't saying anything.
Audio problem: When Padmé falls from the ship, she screams, but her lips stay closed. (01:58:30)
Audio problem: When Dooku is trying to bring down the ceiling on top of Yoda in the hangar scene, Yoda stops three rocks in midair with the force and then directs them to his left. One of these rocks hits the wall, breaks in two and also leaves a mark in the wall. Strangely that rock doesn't make any sound at all. (02:08:20)
Audio problem: When Amidala tells Anakin about her old boyfriend, she says, "I went in to public service.", but the last word doesn't match the movement of her lips. (00:46:20)
Audio problem: When Anakin is talking to Padmé by the fireplace, he says,"My heart is beating, hoping that that kiss will not become a scar", and stops talking, but his profile shows that his lips are still moving. (00:52:30)
Audio problem: When the droid army is marching into the arena we see a close up of C-3PO and hear the sound of a marching army but the droids are walking on sand, so the sound should be muffled in some way.