Audio problem: In the plane, when the Captain says "I'm not too god, what do you think" his lips aren't moving.
Audio problem: When Stifler is driving his car away after he wrecked the flowers, he says, "Fu**ers, it's not my fault," but it's visible through the window that he's not saying anything.
Audio problem: When Jon and Liz are in the hotel room just after the animals make and eat lasagna, Liz giggles. However her mouth doesn't move to indicate that she giggles, proving that it was added in later. (00:48:40)
Audio problem: When Scott is making a distraction, he says, "Well, this show stinks." But his mouth is saying, "Well, this show sucks." Done in order to keep the G rating, I presume.
Audio problem: When Michael is caught in a traffic jam he shouts, "Will ya stop talking and fix the sewer". But if you look at the side view mirror, his mouth is not in sync with the words.
Audio problem: After Toula's mother hangs up the phone and continues peeling potatoes you hear a clicking sound. She stops for a second to turn the potato and the clicking sound continues while she is not peeling.
Audio problem: When J'lo leaves out the door after the big gala and Chris runs after her, he stops her and they begin to talk. when she says the line "I made so many mistakes already" you can hear her say "look" before she says that line, but you actually see her say "I" instead.
Audio problem: Just after the baby, Megan, eats the can of chili, she hiccups once or twice. You can hear the hiccup, but her stomach and mouth don't even move with the hiccup.
Audio problem: In the hospital, while discussing the list, Edward talks to Carter and, from the back, he says the word "grief" and the sound stops; but his jaw keeps on moving as if he kept on talking.
Audio problem: When Lola is on stage performing Eliza Rocks, she turns her head away from the audience and quickly whips it back. As she is turning her head away her lips are not moving, but the song continues.
Audio problem: At the classy restaurant, watch the man playing the drums. The brushes that he's supposedly using to play the snare drum are an absurd 5-6 inches higher than the drum, making it obvious that he wasn't really playing, and that the music was dubbed in. (00:53:15)
Audio problem: When Kevin's young daughter is blessing things at dinner, Kevin says something about it and what he says doesn't match his lips.
Audio problem: Near the end of the movie when the parrot is going to light the firecrackers, he is talking perfectly even though he has a match in his mouth. (01:30:35)
Audio problem: In one scene where Jackson is caught by some bad guys you can see (and hear) that a couple of times when Jackson laughs it is badly dubbed over.
Audio problem: Before the Tortuga bar brawl the musicians are shown playing their instruments. When Elizabeth says, "I just wanted to have the pleasure of doing that myself," it is quiet in the bar, but the violinist is seen happily playing directly behind her and no sound is heard. (01:08:20)
Audio problem: When Glen/Glenda is in the baby cradle, the words do not match the lips when he/she says, "We can finally be a real family."
Audio problem: When Timon and Pumbaa awake from their first dream home by the rocks, they look up to see the animals towering and singing "I just can't wait to be king", but their mouths don't match the words of the song. They are actually out of sync by a few seconds because in the first Lion King movie the chorus was already sung at this point.
Audio problem: As Pruitt is beating up the adulterer in the street, despite the sound effects, it's obvious that his punches are missing. (00:27:35)
Audio problem: After Dewey and Miss Mullins go to the bar, Dewey is heard singing and snapping his fingers as he drives. However, you can see through the windshield that both of his hands are on the steering wheel and he is not snapping his fingers.
Audio problem: When the whole family is at the Siegfried and Roy show Clark is asked to participate and they make him disappear and he doesn?t come back. At one point Rusty says "I wonder where Dad went" and Ellen responds with "I don't have a clue". If you read Ellen?s lips she is actually saying "I don?t know" and waves her hands. (00:20:21)