Audio problem: When Corny introduces himself at the auto show, the audio is not in sync with his lips.
Audio problem: In the scene where Charlie is handing the girls their wine, Bill is speaking to his buddy, asking him if he likes his coat. Watch his mouth, the spoken words do not match his lips. (00:15:30)
Audio problem: In the scene when Josh (as Tom Hanks) comes back to his house to talk with his Mother for the first time since becoming "big", she starts screaming and backs away from him. She backs into the piano she says "Go away, go away." but her lips don't move at all. (00:16:45)
Audio problem: 99% of Mooch's drumming is not in synch with the drumming sounds, especially the ride and crash cymbals.
Audio problem: When CC first meets Hilary, CC is under the boardwalk. As CC talks, the audio is ahead of her mouth movements, and when she says "Ritzy or Cheap?" her mouth is completely shut.
Audio problem: When Tess meets up with her boss toward the end at the helipad, notice that the helicopter engine sound is playing, but the props aren't turning. Helicopters blades always turn if the engines are running, just like an airplane.
Audio problem: Littlefoot's lips don't move when he says "Cera, you came back." while pushing the boulder on the Sharptooth.
Audio problem: When Bourne rescues Marie, he fires a silenced pistol at the man who was trying to rape her, but the sound is of an unsilenced gun. (01:01:10)
Audio problem: When Jason pulls Russell's girlfriend underwater, you can hear her screaming as if she's still above the water. (00:37:50)
Audio problem: When Sgt. Toomey first meets the men he says "Attention". They don't respond so he says a firmer "Ten-Hut". The words Ten-Hut were dubbed in as his mouth movements show that he actually said Attention again.