The Harry Potter Encyclopedia

Philosopher's Stone (2001)

Filmed and Deleted

• Peeves the Poltergeist: Actor Rik Mayall filmed his role as the mischievous ghost for several weeks. All scenes were cut during editing. Peeves never appeared in any film, though he's a significant character in the books.
• Extended Potions Class: Longer scenes of Snape terrorizing students, particularly Neville
• Additional Dursley Cruelty: More scenes establishing how terribly Harry is treated
• Hogwarts Daily Life: Extended scenes of students in hallways and common rooms
• Longer Sorting Ceremony: More students being sorted into houses
• Breakfast Hall Scene: Extended introduction to daily life at Hogwarts

Never Filmed

• The full midnight duel challenge with Malfoy
• Extensive classroom scenes (History of Magic, Herbology details)
• The potion logic puzzle as the final challenge before the Stone
• Much of Hagrid's dragon-raising subplot

Chamber of Secrets (2002)

Filmed and Deleted

• Nearly Headless Nick's Deathday Party: A major scene was filmed showing the 500th anniversary of Nick's death. This is where Harry hears the basilisk in the walls. Cut for pacing, though it explained why Harry was in the wrong place at the wrong time for the first attack.
• Extended Lockhart Scenes: More of Lockhart's incompetent teaching and self-promotion
• Borgin and Burkes: Longer scene in the dark magic shop showing more interactions
• Crabbe and Goyle Eating: Extended comedy in the Great Hall before the Polyjuice Potion sequence
• Hermione in Hospital Wing: Longer recovery after the cat transformation
• Extended Quidditch: More of the Slytherin match where Dobby interfered

Never Filmed

• Valentine's Day dwarves delivering singing valentines (mostly cut)
• S.P.E.W. beginnings and Hermione's concern for house-elves
• Many details about the Basilisk's history and properties
• The full extent of Ginny's symptoms throughout the year

Prisoner of Azkaban (2004)

Filmed and Deleted

• The Marauders Explanation: A crucial scene explaining that the Marauders (Moony, Wormtail, Padfoot, and Prongs) were Lupin, Pettigrew, Sirius, and James was filmed but mostly cut. This left film-only audiences confused about the Map's significance.
• Trelawney's Prophecy: Extended divination class scenes
• Harry and Hermione Hospital Wing: Longer scene after Buckbeak's rescue
• Choir Practice: Extended version of the "Double Trouble" song
• Harry's Talk with Lupin: More conversation about James Potter and the past
• Malfoy Ferret Reaction: Though this is from Goblet of Fire in the books, some filming occurred

Never Filmed

• The entire Quidditch season and Oliver Wood's graduation
• The Firebolt subplot and Hermione reporting it
• Extensive details about Animagi and how they became them
• The full backstory of the Marauders' friendship and school years
• Crookshanks helping Sirius (mostly cut)

Goblet of Fire (2005)

Filmed and Deleted

• Extended World Cup: More of the match itself and celebration
• Dursleys and the Ton-Tongue Toffee: Extended opening showing Dudley's tongue swelling
• Trelawney and Umbridge: Some foreshadowing was filmed but cut
• Longer Yule Ball: Extended dancing and conversations
• Rita Skeeter Interviews: More of her manipulative journalism
• Sirius in the Fire: Longer conversation about Barty Crouch
• Extended Maze: More creatures and challenges in the Third Task

Never Filmed

• S.P.E.W. and Hermione's house-elf activism
• Dobby and Winky's storylines
• Ludo Bagman entirely
• Rita Skeeter as an Animagus
• Blast-Ended Skrewts
• Most of the Quidditch World Cup match
• Extensive backstory on Barty Crouch Jr. and Sr.'s relationship
• Bill and Charlie Weasley

Order of the Phoenix (2007)

Filmed and Deleted

• Kreacher's Insults: More of the house-elf's cruel commentary at Grimmauld Place
• Extended D.A. Meetings: More training montages and student interactions
• Hagrid's Injury: Longer explanation of his mission to the giants
• Luna and Harry: Extended conversation about death and Thestrals
• Trelawney's Firing: More of Umbridge's cruelty
• McGonagall vs. Umbridge: Extended confrontations between the professors
• Longer Department of Mysteries: More exploration of mysterious rooms

Never Filmed

• St. Mungo's Hospital visit
• The full tragedy of Neville's parents
• Quidditch season with Ron as Keeper
• Grawp's extended storyline
• Firenze teaching Divination
• Percy's split from his family in detail
• Many of Umbridge's Educational Decrees
• The full prophecy and its storage history

Half-Blood Prince (2009)

Filmed and Deleted

• Dumbledore's Funeral: A full funeral scene was planned and possibly filmed but cut. It would later be referenced in Deathly Hallows Part 2.
• Extended Memory Scenes: More visits to Tom Riddle's past
• Slughorn's Party: Longer slug Club gathering
• Quidditch Tryouts: Extended version of team selection
• Ron and Lavender: More of their uncomfortable relationship
• Harry and Ginny: Extended romantic development
• Snape's Past: Brief glimpses of his childhood that were cut

Never Filmed

• The Gaunt family (Voldemort's maternal relatives)
• Most of Voldemort's backstory and rise to power
• Many Pensieve memories
• The Battle of Hogwarts (when Death Eaters invade)
• Order of the Phoenix activity during the year
• Bill and Fleur's relationship development
• Multiple other Horcrux investigations

Invented for Film

• The Burrow Attack: Death Eaters burning the Weasley home - this never happens in the books
• Millennium Bridge Collapse: The opening London attack scene is film-only

Deathly Hallows Part 1 (2010)

Filmed and Deleted

• Dudley's Goodbye: A scene showing Dudley's redemption and acknowledgment of Harry saving his life was filmed but cut. Harry Melling's performance was praised by those who saw it.
• Aunt Petunia's Moment: A deleted scene showed Petunia almost expressing emotion about Lily before leaving
• Extended Wedding: More guests and conversations at Bill and Fleur's wedding
• Kreacher's Transformation: More of how Harry's kindness changed Kreacher
• Grimmauld Place Exploration: Extended scenes in the Black family home
• Longer Forest Scenes: Even more camping and tension

Never Filmed

• Regulus Black's full story (largely summarized)
• Potterwatch - the resistance radio program
• Dean Thomas and Ted Tonks on the run
• Much of Dumbledore's backstory with Ariana and Grindelwald
• Various side characters' fates and stories

Invented for Film

• The Cafe Attack: The sequence at the Muggle cafe is more elaborate than in the book
• Harry and Hermione Dance: The tent dance scene to Nick Cave's "O Children" was a film addition that many found touching

Deathly Hallows Part 2 (2011)

Filmed and Deleted

• Draco's Redemption: Extended scenes showing Draco's conflict and his mother's love
• Death Scenes: Longer versions of Fred, Lupin, and Tonks' deaths
• Dumbledore's Portrait: More conversation between Harry and Dumbledore's portrait
• McGonagall as Headmistress: Scenes establishing her leadership
• Percy's Return: His reconciliation with the Weasleys was filmed but mostly cut
• Extended King's Cross: Longer limbo conversation with Dumbledore
• Kreacher Leading House-Elves: A scene of Kreacher leading house-elves into battle was cut

Never Filmed / Significantly Changed

• The full depth of Dumbledore's past with Grindelwald and Ariana
• Many specific character deaths and how they occurred
• Percy's journey and his moment with Fred
• Teddy Lupin's birth gets only a mention
• The House-elves joining the battle en masse
• More details about the 19-years-later epilogue

Changed for Film

• The Final Duel: Happens throughout the castle instead of in the Great Hall before witnesses
• Elder Wand Fate: Harry breaks it rather than returning it to Dumbledore's tomb
• Voldemort's Death: He disintegrates dramatically instead of simply falling dead like a normal person (as in the book)
• Harry's Wand: He doesn't repair his phoenix feather wand first