Audio problem: When we see Mike during the slumber party, we hear seven bells ring for the seven filled cylinders, but there are only six cylinder-filling noises. (00:16:50)
Audio problem: When Mater wakes up from the dream in Big Bentley the time is 3 o'clock but the bell rings 5 times.
Audio problem: When the ants are deciding whether on not to let Flik go to the city, Atta says "He can't mess anything up!" However, her mouth says "screw" when she says "mess."
Audio problem: When Marlin and Dory swim into the deepest part of the ocean to reclaim their mask, they see a light (which we know later, belongs to an angler fish). They stop right underneath the light and says "What is it?" but his mouth doesn't match the movements. It looks as though the animators had Albert Brooks (Marlin's voice actor) say a different line than what was animated.
Audio problem: When Andy is in his cardboard Buzz costume, and says "Buzz Lightyear to the rescue, " his mouth doesn't move.
Audio problem: After the kitchen staff abandon Linguini because the truth of his success is revealed, Alfredo walks into and shuts the door to the kitchen's office. As the door closes the sound is noticeably delayed. [Fixed on Blu-Ray]. (01:31:25)