Harry Potter and the Philosopher's Stone

Revealing mistake: At the hut, when Hagrid bends Vernon's gun, if you look closely, you can see that there is a mark on the gun. When Hagrid bends the gun, the bend is exactly where the mark is. This is most visible on the DVD. (00:13:35)

Harry Potter and the Philosopher's Stone mistake picture

Revealing mistake: After Hagrid gives Dudley a tail, watch him in the background while Dudley runs around. It's easy to see it's not Robbie Coltrane but a body double, who is also in a few other shots at the hut. (00:17:45)

Harry Potter and the Philosopher's Stone mistake picture

Revealing mistake: When Uncle Vernon picks up the letters for Harry and tears them up, you can see cuts in the envelopes, in order to make it easier for him to tear all of them at once. (00:09:40)

Revealing mistake: In the shot where Harry is running through the wall for platform 9 3/4, the camera pans down slightly and you can see a rather stiff and fake looking Hedwig wobbling in her cage. (00:33:30)

Revealing mistake: After Hagrid says, "Dry up, Dursley, you great prune," in the next shot just as Vernon fires the bent gun, before the hole actually appears, the light at the muzzle end illuminates the floor above and the outline of the pre-made hole is visible. (00:13:35)

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Revealing mistake: During the chess game the Queen attacks the Knight's horse that Ron sits upon. In this close-up just before the spear actually hits the side of the horse, the large hole, used to aid the stunt, is visible in the belly of the horse between the stirrups towards the hind legs. This hole is not in previous shots. (Visible in fullscreen DVD.) (02:05:10)

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Harry Potter and the Philosopher's Stone mistake picture

Revealing mistake: When Ron is hit by the Queen during the chess game, the stunt double is visible on the horse just a few moments before he falls. (01:59:00)

Revealing mistake: When Harry, Ron and Hermione are making their way back to the Gryffindor common room, Ron says 'She knows more about you than you do', to which Harry replies 'Who doesn't?' The "solid brick" staircase moves so that they have no place to go but the third floor forbidden corridor. If you pay attention to the staircase it can be seen that there is a good gap between the staircase and the one it connects to when it moves and that when Harry, Ron and Hermione run off the staircase to the corridor the staircase made of "solid stone" does an awful lot of shaking. (00:58:40)

Harry Potter and the Philosopher's Stone mistake picture

Visible crew/equipment: During the Quidditch match Harry's broomstick tries to shake him off, due to the spell. After Hermione tells Ron, "Leave it to me," in Harry's last close-up before he flips over, the seat that is attached to the broomstick, to make it more comfortable for Dan Radcliffe to sit on, is entirely visible. Glimpses of other seats can be had during the match as well. (01:20:50)

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More mistakes in Harry Potter and the Philosopher's Stone

Hermione Granger: I'm going to bed, before either of you come up with another clever idea to get us killed, or worse, expelled.
Ronald Weasley: [to Harry.] She needs to sort out her priorities.

More quotes from Harry Potter and the Philosopher's Stone

Trivia: When Neville receives a Remembrall from his grandmother, it glows red to inform him that he forgot something. Neville says that he can't remember what he forgot. If you look closely, Neville is one of very few students not wearing his robe. He most likely forgot to put his robe on.

More trivia for Harry Potter and the Philosopher's Stone

Question: I noticed that Harry's scar hurts when he comes close to Professor Quirrell, but why is this not happening when he meets him for the first time in Diagon Alley? Wasn't Voldemort on his head yet?

Loesjuh1985

Chosen answer: Voldemort is not on his head in Diagon Alley as explained in the books. He attaches himself to Quirrell when he learns that Quirrell was unsuccessful in getting the Philosopher's Stone from the vault, in attempt to keep an eye on him.

But in the movie when they met in Diagon Alley, Quirrel refused a handshake because it would kill him.

It's never explained in the movie that that is why he doesn't shake hands. In the books, hagrid says that Quirrel hasn't been right since he met a few vampires in the black forest.

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