The official Harry Potter Wizard's Collection released a new behind-the-scenes feature of creating Hagrid the Giant, played by ex-football player Martin Bayfield in costume (and of course Robbie Coltrane in character), throughout the duration of the eight-film series. That segment will be available on the bonus disc that will come with the 31-disc definitive DVD and Blu-ray set of the movie series, out on September 10.

Harry Potter Wizard’s Collection Bonus Disc

When Harry Left Hogwarts – Extended Version
Hear candid and emotional stories about the final days on set in this extended behind-the-scenes look.

50 Greatest Harry Potter Moments- Definitive Version
Take a look back with cast members who share their on- and off-screen memories as well as their favorite Harry Potter movie moments

Designing the World of Harry Potter
Explore how production designer Stuart Craig and his creative team brought J.K. Rowling's imagination to life on the screen and how the design evolved over eight films.

Secrets Revealed! Quidditch
For the camera and special effects departments, the breathtaking Quidditch scenes required special rigs and the design of hundreds of shots. At last, the secrets behind flying are revealed!

Secrets Revealed! Hagrid
For the first time, see the camera tricks, towering stand-in and voluminous body suits behind the character meant to be twice as tall and three times as wide as the average man

The Harry Potters You Never Met
Meet the stunt doubles for Dan, Rupert and Emma as they demonstrate how they balanced major stunt work with seamlessly mimicking the actors they represented, and share their favorite moments.

Pre-order the Harry Potter Wizard's Collection at the Warner Bros Shop, on Amazon.com or Amazon.co.uk (region-free) now.