Audio problem: At Thomas J's memorial service, Vada goes up to the coffin crying. Just after she says something about his glasses being missing, her father comes up to comfort her. Watch his mouth - he is heard talking but his lips aren't moving at first (they are in the next shot).
Audio problem: When the band is singing "You're Out of this World," when one of the band members sings at one part, the music starts before he starts to move his mouth.
Audio problem: In the "Candyman" song near the beginning of the movie, the candy store owner is on a ladder, about to drop candy into the kids' hands. When we see the kids holding up their hands and saying, "Me. Me.", none of their mouths are actually saying anything. (00:04:00)
Audio problem: When Aunt Marge asks Vernon for "a bit more" brandy the second time, her mouth doesn't move. (00:02:45)
Audio problem: When Buckwheat says, "It's worse than I thought", while watching Alfalfa and Darla in the boat, you can see Uh-Huh next to him mouthing that line.
Audio problem: When the Commando Elite rip out through the clear plastic 'window' of their packaging, the sound made is that of paper ripping - a different sound to what the plastic being punctured would make.
Audio problem: During the audition song when the drummer first looks at Anna wondering why she isn't playing, his sticking is out of synch with the drumming.
Audio problem: In the scene where Phil starts to cry when he's kissing his wife, you can hear him say "I'm in way over my head" but his lips don't move at all. (00:34:20)
Audio problem: Terri takes her friends out to a restaurant, and she starts singing a song, and where she says, "The way you swept me off my feet," her mouth doesn't move at all.
Audio problem: After Tom goes kneeboarding, as he gets off the boat and walks along the deck, in the background Eliot says "I'm sure you'll do better next time, Mr. Baker," but his mouth is closed.
Audio problem: When the elves are marching around, listen to the footstep sounds and watch their feet. A lot of times the noise and movements don't match. This is especially apparent when the five elves who have been taking wish calls go to the transporter.
Audio problem: In the scene where Victor plays the piano for the first time in the movie, we hear him playing long, sustained notes, which obviously need to be played with a pedal down. However, he doesn't use the sustain pedal. What's more strange is, the piano does not even have a sustain pedal.
Audio problem: When Honest John tells Gideon to take notes, Gideon throws his stick aside, but there is no sound of it hitting the ground.
Audio problem: When Tony goes down to help Rudoplh after he tries to fly out of the window, Tony asks him if he's okay and you can hear Rudoplh saying "Do I look it?" but his lips never move.
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 trapped underwater in the net at the Black Castle, Peter pulls out his knife from his small leather sheath underwater and we hear a metallic rasping sound which it should not make since it isn't scraping metal. (00:49:55)
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: When Grumpy hits his head on the bridge we hear the sound of metal, but the bridge is made of wood. (01:08:00)
Audio problem: Everybody knows that waterfalls are very loud. However, in the scene at Hakoni Falls, which is completely surrounded by waterfalls, it's silent as a tomb.