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Continuity mistake: After Potter and Hermione have escaped with Buckbeak, Dumbledore says, "I don't think the Minister's suggesting you had anything to do with it." At that time you can see three crows on the roof above Hagrid, and one of the crows takes off. When the scene cuts back there are still three crows on the roof. (01:50:10)

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Continuity mistake: When Tom and Potter arrive in the Minister's office Potter goes straight to Hedwig. When Tom says, "He arrived here just five minutes before yourself." you see Potter touch Hedwig's beak. When it cuts he is touching Hedwig's cheek. (00:12:30)

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Continuity mistake: When Malfoy and his friends take off, after Harry has beaten them, you can see Hermione and Ron standing in the background with their backs to a fence. When it cuts to a closeup of them they are suddenly standing behind a tree. (01:00:30)

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Continuity mistake: The first time Dumbledore knocks on Hagrid's door, you hear him knocking three times. Later when Potter and Hermione have travelled back in time you hear Dumbledore knocking three times, rapidly followed by four more knocks. (01:21:55 - 01:47:15)

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Continuity mistake: When they discover The Fat Lady is gone from her painting as the Head Boy says "Let me through. Excuse me, I'm Head Boy." you can see Potter, Hermione, Ron and Neville change position between the shots. (00:45:55)

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Continuity mistake: When Potter is messing with Malfoy and the other two kids outside the Shrieking Shack, as Potter drags down the cap on one of the kids, you can see the kid's scarf is suddenly tied. It wasn't tied in the earlier shot, and Potter could not have tied it that fast. (01:00:00)

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Continuity mistake: At Snape's class when Hermione shows up and Ron says "Did you see her come in?", you see Potter turning around facing Hermione. When it cuts to Snape saying "Now, which one of you can tell me the difference..." you can see Potter is now looking at his book. When it cuts back Potter is facing in Hermione's direction again. (00:50:20)

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Continuity mistake: After the Weasley's have handed over the Marauder's Map to Potter, George puts his wand on the Map while saying, "I solemnly swear that I'm up to no good." When it cuts to a closeup of the map, you can see the way Potter is holding it changes, and the way George's wand is on it changes. (00:57:25)

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Continuity mistake: When Trelawny says "Look at the cup, tell me what you see" to Ron, the way Ron holds the cup changes between shots. (00:29:10)

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Continuity mistake: When Harry picks up 'The Monster book of Monsters' you see him holding his right hand at the top at the book. When it cuts to a closeup of the book while he is holding it, you can see his hand is on the middle of the book. In the following shot his hand is on the top of it again. (00:14:35)

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Continuity mistake: At the hospital, after Potter fell off his broom as Hermione says "No one blames you, Harry", you can see Ron standing behind her. At this time we can see the letter "H" on the cloth that is wrapped around the broom. Later, the letter "E" is visible instead. (00:54:45)

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Continuity mistake: When Potter and Hermione watch Fudge, Dumbledore and the executioner heading down to Hagrid's, Hermione says "Fudge is coming." Potter then turns his head. When it cuts he turns it again. (01:46:40)

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Continuity mistake: Outside Hagrid's, when Fudge says "We must search the grounds," the way Dumbledore holds his staff changes between shots. (01:50:15)

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Continuity mistake: When Potter is looking at the 'Jack in the box' you can see Lupin in the background flipping his wand forward. When it cuts he has his hand and the wand behind his back. (00:42:10)

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Continuity mistake: When Malfoy shouts "Dementor. Dementor." all the kids turn around. Then we see Malfoy and some kids put their hoods on, and at the same time we can see Hermione turn back. When it cuts to Potter turning back we can briefly see Hermione turn back again. (00:31:45)

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Continuity mistake: When we get to Trelawney's class when she says "...discover if you possess the sight.", she gets up from her chair. While doing so she place both her arms on the arm rest, but when it cuts her left arm is up. (00:28:10)

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Continuity mistake: When Hermione removes the blanket that makes Potter invisible you can see some snowflakes on his shoulder. It cuts and she says "Harry, what happened?", then it cut again and the snowflakes are gone. They could not have melted that fast. (01:04:55)

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Continuity mistake: When Lupin is about to teach Potter the Patronus charm, you see Lupin walking with his hands in his pockets while saying "Do you have a memory? Allow it to fill you up. Lose yourself within it." When it cuts Lupin has his left hand up. (01:05:30)

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Continuity mistake: When one of the Weasley twins says, "Not flashing that clipping again." to Ron, we see Ron holding Scabbers. The way he holds Scabbers changes in the next shot. (00:16:20)

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Continuity mistake: When Potter comes down the stairs with his trunk, the strap on the trunk is bent backwards. When it cuts it lies normally on the trunk. (00:06:25)

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