Harry Potter and the Prisoner of Azkaban book vs movie differences explained: Plot, ending and more

Harry Potter and the Prisoner of Azkaban book vs movie differences explained: Plot, ending and more
Harry Potter and the Prisoner of Azkaban book vs movie differences explained: Plot, ending and more (Image Via IMDB)

Harry Potter and the Prisoner of Azkaban, the third installment of J.K. Rowling's beloved book series, was made into a film having the same name, that released in 2004. Both the book and its film adaptation had captivated fans. However, the movie deviates from the book in many ways.

Both the book and the movie offer unique experiences, each having its own strengths. While the book provides a rich, descriptive narrative with detailed character exploration, the movie delivers a visually captivating story with a focus on action and special effects.


Exploring the plot differences in Harry Potter and the Prisoner of Azkaban book and movie

In the Harry Potter and the Prisoner of Azkaban book, Harry unintentionally blows Aunt Marge up. She insults Harry and badmouths his parents which makes him lose control. Inflated like a balloon, she then floats up into the ceiling at 4 Privet Drive. In the film, this is taken further, as Aunt Marge floats outside the house itself. Soon, she disappears into the sky despite Vernon Dursley's attempts to pull her back to the ground.

In the novel, Harry repeatedly requests Cornelius Fudge, the Minister of Magic to sign his Hogsmeade permission slip, but fails. In the movie, this interaction has been completely taken out. While Fudge is seen checking on Harry at the Leaky Cauldron, the specific request for the signature never takes place.

As seen in the book, Harry's ride on Buckbeak is a short, uncomfortable and controlled one, around a Forbidden Forest paddock. The film turns this scene into a more extravagant and visually stunning sequence, with Buckbeak soaring around Hogwarts Castle and across the Great Lake as Harry enjoys the flight.

In the book series, Cho Chang makes her first appearance in this novel. She is Harry’s opponent during a Quidditch game, who arrives following her selection as Ravenclaw Seeker. However, Cho is not introduced in the movie series until Harry Potter and the Goblet of Fire movie.


Harry Potter and the Prisoner of Azkaban book vs. movie ending

In the Harry Potter and the Prisoner of Azkaban book, Harry struggles to cast the Patronus. He finally succeeds in his third attempt after tapping into memory from the day he found out he was a wizard. In the movie, however, Harry successfully casts the Patronus on his second attempt, using a false memory of his parents talking, that he created.

When Harry receives the Firebolt, in the book, the sender’s identity is not disclosed, adding an element of mystery to it. In the film, he receives it towards the end. The Firebolt arrives with one of Buckbeak’s feathers, revealing that it is Sirius Black.

The final part of this novel shows Gryffindor winning the Quidditch Cup, which another sequence that is missing in the film.


More differences in Harry Potter and the Prisoner of Azkaban book vs. movie

The movie adaptation of Harry Potter and the Prisoner of Azkaban introduces a Hogwarts choir led by Professor Flitwick, singing the memorable Double Trouble song. This choir does not exist in the book, and is used to alleviate the movie’s magical atmosphere.

Another detail that has been left out from the film, but has been elaborately discussed in the book, is the back story of the Marauders. The book describes their connection to Lupin, James, Sirius, and Peter while also providing the origin of the Marauder's Map and the Shrieking Shack.

In their third year, Ron received an owl called Pigwidgeon from Sirius who also sent a letter to Harry which included the Hogsmeade permission form, signed by him. However, this development does not find place in the movie which leaves certain questions unanswered in the film as it does not reveal who gave Harry permission to go to Hogsmeade. This confuses the audience to an extent.


Harry Potter and the Prisoner of Azkaban is available to watch on Amazon Prime Video and Apple TV+.

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