Harry Potter and the Chamber of Secrets: Book vs. Movie

Even with small changes to the story, this one is perhaps the movie with the least differences from the book: Harry Potter and the Chamber of Secrets.

Harry Potter and the Philosopher’s Stone: Book vs. Movie

Harry Potter and the Prisoner of Azkaban: Book vs. Movie

Harry Potter and the Goblet of Fire: Book vs. Movie


  • The book begins in the morning of Harry’s birthday; the movie begins in the evening of the day the Masons visit. And when Harry enters his room, Dobby is sitting quietly on the bed. Latter, Dobby drops a pudding in the kitchen floor that explodes all over Harry. The reason why the Masons leave is not because of this incident, but because Mr. Mason dislikes birds and an owl has just swoops into the living room with the warning from the Ministry of Magic about the illegal use of the Hover Charm.
  • When Dobby disapparates the usual loud crack is heard, contrary to the film.


  • In the book, all of Harry’s school things are locked in the cupboard under the stairs. When the Weasleys go to rescue Harry, Fred and George get into the house, picklock (muggle style) the lock on Harry’s room and get downstairs to get his things.
  • After arriving at the Burrow, Mrs. Weasley makes her sons de-gnome the garden as a punishment for them sneaking out of the house and flying the car to get Harry. She wants them to de-gnome according to one of Lockhart’s books, but they claim they know how to de-gnome already.


  • When using the floo-network for the first time, Harry gets to Borgin’s store, where he witness Lucius Malfoy selling dark objects, given the new raids going on in the Ministry, latter he passes the information to Mr. Weasley in order for him to raid his house.
  • Hermione DOES NOT repair Harry’s glasses in Diagon Alley, as that would be against the law! Mr. Weasley is the one who repairs them.
  • After getting his free books from Gilderoy Lockhart, Harry gives the books to Ginny.
  • Arthur Weasley and Lucius Malfoy fight in Flourish and Blotts.


  • While flying the Ford Anglia to Hogwarts, Harry does not fall out of the car, and they are never in the line of getting hit by the train. It’s a long, very long and very boring journey.
  • When finally getting to the school, Professor Snape is the one who finds them and takes them directly to his office. After Professor McGonagall talks to them, she makes them have dinner in Snape’s office and after Ron’s enquires, informs him that Ginny was sorted in Gryffindor just like the rest of her family.
  • The howler is much longer… and after it’s done, it burst itself into flames.


  • Lockhart’s conversation with Professor Sprout before the first Herbology lesson of the year, in which he implied that he knew more about caring for Whooping Willows than she did, is omitted. Also absent from the movie is the lecture Gilderoy Lockhart gives Harry about giving autographs.
  • In the book, Gryffindors have Herbology with Hufflepuffs and Defense Against the Dark Arts with the Slytherins.
  • Once again, no Peeves or Professor Binns in the movie.
  • In the first Defense Against the Dark Arts class, Lockhart gives a test to access who had read his books, with questions that consist on his likes and dislikes, ambitions and so forth.


  • Contrary to the film, Hermione doesn’t know the meaning of the term “Mudblood” when Malfoy calls her that. It’s Ron who explains the meaning of the term.
  • Nearly Headless Nick invited Harry, Ron and Hermione for his Deathday Party, on the same day as the Halloween feast. They attend and get very unpleasant memories from it… after leaving and on their way to the Gryffindor common room, they find the petrified Mrs. Norris. After this, the three of them are taken to Lockhart’s office and the teachers’ question them about what happened.
  • Mr Filch says that the reason for the attack was the fact that Harry found out that he’s a squib (Harry had previously found a Kwikspell letter on Filch’s office).


  • Ron recognizes Tom Riddle’s name from an award he received for special services to the school, that he cleaned (several times) on the night he served his detention.
  • To get access to the Moste Potente Potions book, where the recipe for the Polyjuice Potion is, Hermione has to get a signed note from Lockhart, has the book is in the restricted section of the library. Lockhart signs the paper without even looking at it!
  • During the Quidditch match Gryffindor versus Slytherin, Draco never sees the Snitch. He’s so busy messing with Harry, that Harry catches it fairly quickly. Also, Fred and George go through most of the game protecting Harry against the rogue bludger.


  • In order to steal the ingredients they need for the Polyjuice Potion, Harry and Ron cause a disturbance in Potions class and Hermione steals what they need.
  • In the Dueling Club, a lot of other people, aside from Harry and Draco, are dueling.
  • The Polyjuice Potion changes color as the part of whichever person they are assuming is added. The Potion causes the person to completely transform into the other person, including the voice, eyesight, etc…


  • Hermione spends a lot of time in the Hospital Wing after taking the Polyjuice Potion with the cat hair, even getting a Get Well Soon card from Gilderoy Lockhart.
  • Is Professor Binns who explains to his students about the Chamber of Secrets during History of Magic class, contrary to the film, where it’s Professor McGonagall who explains it to them.
  • There’s a Valentine’s Day breakfast in the Great Hall, arranged by Professor Lockhart. Harry gets a Singing Valentine (His eyes are as green as a fresh pickled toad, His hair is as dark as a blackboard. I wish he was mine, he’s really divine, The hero who conquered the Dark Lord – supposedly from Ginny) and Lockhart receives a lot of cards, including one from Hermione.
  • When Harry gets sucked into Tom Riddle’s diary, he enters it through the Headmaster’s office, where he sees Professor Dippet for the first time, reading a letter tom Tom Riddle. After that, Headmaster Dippet informs Riddle that Hogwarts will be closing do to the attacks.


  • Ginny shows several signs of emotional stress and even tries to tell Ron and Harry about the diary in the book.
  • Penelope Clearwater is attacked by the Basilisk, along with Hermione. This leaves Percy extremely blue (give that she’s his girlfriend, although no one knows…).
  • All of Hagrid’s roosters are killed in the book, given that “the crowing of the rooster is fatal to the Basilisk”.
  • Ron explains to Harry why he’s afraid of spiders: “If you must know, when I was three, Fred turned my – my teddy bear into a great big filthy spider because I broke his toybroomstick… You wouldn’t like it either if you’d been holding your bear and suddenly it had too many legs and… 
  • Harry and Ron follow the spiders after a lot of time has passed since Hagrid’s arrest, and they find the Ford Anglia before they meet Aragog.


  • The fight between Harry and he Basilisk is fairly quick, Harry puts on the Sorting Hat and the sword hits him in the head and Fawkes uses his tears to heal Harry while Riddle is still alive.
  • After the defeat of the Basilisk, Harry’s conversation with Dumbledore takes place in McGonagall’s office and Arthur and Molly Weasley, as well as McGonagall are present.
  • Ginny tells her brothers, Harry and Hermione that Percy’s consisting writing over the previous summer and his worries during the school year were because he has a girlfriend, Penelope Clearwater

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