Mistakes

Mistakes:
 
  • Hermione, Ron and Harry meet Fluffy, (Neville never does). Not by a dueling match with Malfoy, but because the stairs changed passages and they accidentally meet Fluffy that way.
  • Qurriel and Snape Forest conversation never occurs, it actually happens in the school.
  • Mirror of Erised just shows James and Lily, nobody else.
  • Christmas Presents scene altered.
  • They delete the Potions class.
  • Vernon to Grunnings scenes deleted.
  • No Television Report about owls and shooting stars.
  • Movie starts with Dumbledore actually summoning the light of the posts with the Light Putter Outer 

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  • Professor McGonagall is supposed to take out Oliver Wood from charms, not Defense Againist the Dark Arts as it is  shown in the movie.
  • Prior to the sorting ceremony, Professor McGonagall calls out the students' names first name then last name, but in the books they are called by last name first.
  • Dudley falls in boa constrictor's cage and glass reappears.
  • Hagrid takes Harry to King's Cross.
  • The book didn't have Harry and Ron weren't late for Transfiguration.
  • Harry only meets Firenze, not Ronan and Bane.
  • Neville never came into Harry and Ron's train compartment.
  • No Mrs. Figg in it at all.
  • Oliver Wood wasn't supposed to take out the snitch because it was too dark.
  • Harry and Hermione never send off Norbert, Dumbledore finds out about the dragon and sends it back himself.
  • Neville never gets detention and 50 points off, its actually Ron who does and he goes into the forest, not Neville.
  • The 1st years meeting ghosts scene never happens.