Continuity mistake: During the scene when the Polar Express slides across the ice and the conductor is telling the train controllers to head for the tracks, the distance between the train and the tracks keeps changing.
Continuity mistake: Right before battle, Nasuada is showing Eragon Saphira's dragon armor. The helmet is full face, with two little slits for eyes. When it shows Saphira wearing it, the helmet covers only the top part of her head and cuts off above her eyes. (01:20:35 - 01:22:30)
Continuity mistake: When Dennis is in Mr. WIlson's bathroom after his bath, pouring mouthwash in his nose spray, Dennis has toothpaste all over his chin and mouth. When they show Dennis from the side, it is gone. From the front it is there again. This happens several times in the shot.
Continuity mistake: In the scene where Eddie Murphy is going into the crypt, he takes one of the lit torches. While they are trying to escape the skeletons, the door to the crypt closes and locks. When they show the shot of his son outside, you see two torches again. When he gets the doors open and they leave, you see one.
Continuity mistake: When Hiccup first finds Toothless, there is a dramatic shot where the camera pans over Toothless, and his wing briefly obscures his eye, which is open after the wing passes. But look at the tip of the wing. During the shot there is a stretch of rope wrapped around it. In the next shot, the rope is much higher up the wing and not wrapped around it anymore. (00:13:15)
Continuity mistake: When Alan is trapped on the floor, and the game is placed over his head, Sarah rolls the dice which fall on the lower left corner. When the angle changes they've moved further to the right.
Continuity mistake: There is a scene in which a ghost shoots harpoons through the back door of the Mystery Machine. In the next shot, the harpoons are gone, and when the van gets back into the city you see a shot of the back and there is no damage whatsoever. (01:03:20)
Continuity mistake: Coach Orion throws the puck at the bulletin board and makes a hole in it, but when he walks out of the locker room, the hole is gone.
Continuity mistake: When the Iron Giant follows Hogarth home they cross a railwayline and the Giant starts to eat the steel rail. During this scene you can see the distance of the railway sleepers changing from a fair distance apart to close together over the course of the shots. In the same scene you can also see that, although there is a crossing with lights, no vehicle could possibly pass as the rail has no crossover facility at that level. (00:24:30)
Continuity mistake: In the living room, during the party, Margaret O'Brien does a dance with a straw hat and cane with Judy Garland. In one shot Margaret has on blue slippers and in another shot she has on pink slippers.
Continuity mistake: In many places in the movie, a cat noise is heard even though the cat's mouth is quite obviously not open or the cat is licking its face.
Continuity mistake: In the shot after Robin Williams has been sprayed to wash off the crap from the RV he is bone dry after the spraying is complete. They only show his upper body at this point but the spraying would have been over his entire body.
Continuity mistake: When Snow White rips off her sleeves she has a tattoo on her right shoulder. Later, when she calls the animals to attack the guards, the tattoo is gone.
Continuity mistake: When Pinocchio is locked up in the cage of Stromboli, Jiminy goes inside the cage lock, and he hangs his coat and hat on the outside of the lock. In the next shot, they have disappeared.
Continuity mistake: When Ox throws MJ's shoes onto the wire, there is no tree beneath the wire where the shoes fall, but when Calvin climbs onto the tree, there is clearly a branch underneath the shoes.
Continuity mistake: When P.W. is escaping certain trouble somehow his handle bar comes off (with ribbons) a new one is replaced (without ribbons) - cool bike huh? But in the next scene the new handle has ribbons... (01:13:00)
Continuity mistake: Robotnik's shaving his head, leaving smudges on it. A shot later his head's suddenly clean. (01:29:10)
Continuity mistake: When Alvin is making the big SOS sign, one shot shows the whole beach and Simon and Theodore are in the middle of the big letter O. In the next shot, they are at the O's edge.
Continuity mistake: In the scene near the end of the movie where the kidnapped father overpowers one of the bad guys and grabs his gun, he shoots out the front tire of the truck and he and Justin go running away. In the very next scene, Tyler and his buddy jump in the truck to chase the father and son and the tire on the truck is miraculously fixed and inflated.
Continuity mistake: During the scene where Rita hugs Roddy for giving her the jewels,When it shows Rita's back, Roddy's hand skips from Rita's upper back to Rita's lower back. (01:00:30)