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Continuity mistake: When Dennis pinches Mr. Wilson when Mr. Wilson is pretending to be sick, you can see Dennis pinch but he doesn't use his index finger. When it cuts he is using his index finger. (00:04:05)

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Easter egg: Special Edition DVD: Go to Special Features, highlight "A Menace Named Dennis", press right and then press OK. This will take you to the Mason Gamble (Dennis) Audition.

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Revealing mistake: When the Afghan village is attacked by the two choppers you see a lady running with a baby. It is quite obvious she is carrying a doll instead of a real baby. (00:41:15)

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Revealing mistake: When they look at the newspaper about Sirius being sighted you can see the picture of Sirius on the newspaper doesn't move at all. (00:37:55)

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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: In the beginning when the man shows the picture of Rambo to the man behind the desk, he flips the picture twice during the shots. (00:01:10)

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Revealing mistake: All the snow in the forest at the end of the movie actually seems more like foam than real snow. (01:04:25)

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Revealing mistake: When Andy gets to his room for the first time, in the shot when he walks toward the bed to throw his bag on, have a look to the right of the door. You can see the shadow from the boom mic pole move. (00:18:20)

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Continuity mistake: When Andy falls to the floor with his tray you can see a lot of food fall on the floor. When it cuts to a wide shot all the food is gone from the floor. Also the tray has moved closer to Andy. (00:51:50)

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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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Continuity mistake: When Aunt Marge is about to fly out the door, we can see Uncle Vernon leaning on the table with his back against the door and the dog biting his left foot. When it cuts to Aunt Marge coming out the door, we see Uncle Vernon facing the door and the dog is biting his right foot. (00:05:10)

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Continuity mistake: When Dudley is hit by the first button that flies off Aunt Marge, we can see a table beside him with a lamp and a picture on it. When it cuts to Dudley lying on the floor, we can see the lamp and the picture have changed position. (00:04:50)

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