From Under the stairs at Privet Dr. to Platform 9 3/4 through the halls of Hogwarts on it’s way to your collection! Warner Bros Home Video has developed new Ultimate Extended Editions of the Harry Potter films. The extended editions will not be re-released in theaters but you can purchase them on DVD and Blu-Ray.

Check out this trailer that shows what we muggles can expect. Followed by all the details about what is included in the extended editions.

The Ultimate Editions of Harry Potter and the Sorcerer’s Stone and Harry Potter and The Chamber of Secrets will hit stores on December 8th 2009. The DVD editions will be 4 discs, and the Blu-ray editions will be 3 discs. Preorder at the links below through Amazon:

* YEAR 1 – Sorcerer’s Stone: DVD | Blu-ray

* YEAR 2 – Chamber of Secrets: DVD | Blu-ray

Harry Potter and the Sorcerer’s Stone

Creating the World of Harry Potter Part 1: The Magic Begins For the First Time Ever

• Uncover the intimate details of the search to cast Harry Potter and his friends

• See Daniel, Rupert and Emma’s never-before-seen audition tapes

• Be there with stars and filmmakers walking onto the set of the exciting first day of shooting

• Learn about Chris Columbus’ critical, step-by-step decisions behind the creation of Harry Potter’s world on screen

• Look back on an amazing decade’s worth of movies with Daniel, Rupert and Emma in new and vintage interviews never seen before.

• Plus: Exclusive Introduction by Daniel Radcliffe

DISC 1: Theatrical Version

DISC 2: Extended Version with 7 Minutes of Footage Not Shown in Theaters.

DISC 3:

• Diagon Allen

• Tour the Gryffindor Common Room, Harry’s Room and the Great Hall – Welcome to the self-guided tour of Hogwarts, home of witches and wizards in training, and take in the sights.

• Classrooms: Defense Against the Dark Arts; Spells and Charms; Potions; Transfiguration;

• Third Floor Corridor; Deleted Scenes.

• Sorting Hat

• Library: Gallery of Art & Architecture; Hogwarts Yearbook; Guide to Ghosts – Discover the many marvelous and mysterious ghosts of Hogwarts.

• Hogwarts Grounds: Quaffle and Bludger – Get a lesson from Oliver Wood on how to play Quidditch; Tour Hagrid’s Hut – Welcome to the self-guided tour of Hagrid’s Hut, home of Rubeus Hagrid, the keeper of keys and grounds at Hogwarts, and his faithful companion, Fang.

• Extra Credit

• Interview – Capturing the Stone: A Conversation with the Filmmakers – Director Chris Columbus, Producer David Heyman, Screenwriter Steve Kloves and Production Designer Stuart Craig talk about casting and bringing the novel to life

DISC 4:

• Introduction by Daniel Radcliffe – An introduction to the many special features for the Harry Potter films [NEW]

• Creating the World of Harry Potter, Part 1: The Magic Begins – Discover the story of how one vision for the Harry Potter films came together out of limitless possibilities to create the visual world we have come to know and love. [NEW]

• A Glimpse Into the World of Harry Potter 2001 International TV Special

• Deleted Scenes

• Trailers and TV Spots

Harry Potter and The Chamber of Secrets:

Creating the World of Harry Potter Part 2: Characters

• A Whole New Realm of Discovery … Discover the intriguing inside stories of why so many of Britain’s most celebrated stars took roles in the series

• See the newly unveiled screen test between Daniel Radcliffe and Evanna Lynch (selected to play Luna out of 15,000 hopefuls!)

• Go on the set to see firsthand how each of the directors brought unique strengths to the series

• Witness the amazing transformations as Daniel, Rupert and Emma grow with their characters over a decade of unprecedented filmmaking.

• Plus: Never-Before-Seen Screen Tests of Daniel Radcliffe, Rupert Grint and Emma Watson.

DISC 1: Theatrical Version

DISC 2: Extended Version with 13 Minutes of Footage Not Shown in Theatres.

DISC 3:

• Deleted Scenes

• Lockhart’s Classroom

• Photo Gallery: Certificates – Have a look at Gilderoy Lockhart’s many achievements; Required Reading – Find out what text books you’ll need for Lockhart’s Defense Against the Dark Arts class.

• Extra Credit

• Behind Hogwarts

• A Conversation with J.K. Rowling and Steve Kloves – The author and screenwriter detail how the books are brought to life, and the changes that happen in the process.

• Dumbledore’s Office

• Build a Scene – Building a scene as magnificent as Professor Dumbledore’s office takes more than wood, plaster, nails and paint. It takes imagination.

• Tour Dumbledore’s Office – Welcome to the self-guided tour of Professor Dumbledore’s office, one of the most fascinating rooms at Hogwarts.

• Interviews with Students, Professors and More

• Gallery of Production Sketches

• Activities

• Spellcaster Knowledge Challenge [Game]

• EA Game Preview

DISC 4:

• Creating the World of Harry Potter, Part 2: Characters – Explore how the cast and creative team of directors and designers take the character’s descriptions on the page to the actor’s performances on film.

• Screen Tests of Daniel Radcliffe, Rupert Grint and Emma Watson

• Harry Potter and the Chamber of Secrets Revealed – 2002 HBO First Look special

• Trailers and TV Spots

The Ultimate Editions of Harry Potter and the Sorcerer’s Stone and Harry Potter and The Chamber of Secrets will hit stores on December 8th 2009. The DVD editions will be 4 discs, and the Blu-ray editions will be 3 discs. Preorder at the links below through Amazon:

* YEAR 1 – Sorcerer’s Stone: DVD | Blu-ray
* YEAR 2 – Chamber of Secrets: DVD | Blu-ray