Harry Potter and the Philosopher's Stone (2001)

Continuity mistake: When Harry and Ron are on the train to Hogwarts, we see a shot of the sweets Harry has bought. Note the position of Harry's sweatshirt and that the collar shows no defects. A couple of shots later, the sweatshirt appears to have moved and more of his left neck is showing. A few shots later, when Hermione arrives, there is another shot of the sweets arranged very differently. When Hermione points her wand at Harry, there is a small tear in his sweatshirt collar.

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