When George comes out of the door with the kid's sock stuck to him the sock's toe points inward toward the middle of his back. When the CDA rushes in to remove it the sock toe faces outward.
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When Fletch goes to visit Calculus in his shack, he knocks on the window and sees Calculus sitting in a chair, wearing boots. The next shot, as Fletch is walking inside, Calculus is now wearing socks and no boots, despite never having left the seated position, nor having had any time to slide his feet out of the boots.
At the end of the movie, when they are all in the helicopter, it cuts to a view of them looking out the window. In this shot, the black actor is sitting next to the window, on the other side of the helicopter, but in the following one, he has suddenly switched seats, and is no longer sitting next to the window.
When Bobby is first hearing from Billy The Puppet, his grip on his cage is constantly changing between camera cuts.
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When Nandi is killed, she falls to the floor on her back, her left arm by her side and her right on the floor by her head. We see her in this position a number of times, but when Mal and Inara look at one another at the end of this scene, Nandi's left arm is now lying across her chest. Neither of the other characters did this to her.
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When Daniel is being chased along the rail tracks, both the Peugeot and the Mitsubishis' wheels change from road wheels to train wheels (with fake tyres on) and then back again when they move back onto the gravel. Clever cars…
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Before Interceptor's explosion, in the close-up it's very apparent that it's not the real Interceptor. Some examples are, no rigging at the stern-most mast, at the railing there are no belaying pins with or without all the lines hanging from them, there are no cleats with or without lines and at least two of the swiveling mounts at the stern for the swivel cannons aren't there.
More Pirates of the Caribbean: The Curse of the Black Pearl mistakes