We at Collider are happy to debut an exclusive clip from the home video release of M. Night Shymalan’s thriller Glass, which takes viewers behind-the-scenes to reveal the subtle (and less subtle) visual effects that were used to bring the film to life. While most probably figured some sort of digital enhancement was used to transform James McAvoy into the villainous The Beast, it’s surprising to see just how significant the digital transformation is in this clip. The veins on his chest, his eyes, and even his skin color were altered to make the monstrous baddie come to life in ways far more subtle than your standard superhero fare. Then there’s the less subtle visual effects wizardry, like how McAvoy could hurl an entire table over the top of his head or jump through a glass window.

This is just one of many bonus features included on the Digital HD and Blu-ray/DVD release of Glass, which gives fans an inside look at how Shyamalan finally completed a trilogy that began with 2000’s Unbreakable. The bonus features range from looks at reuniting the ensemble to how Shyamalan set about grounding a superhero movie in reality to an in-depth look at the face-off between David Dunn and The Beast.

Check out the exclusive clip below. Glass is available now on Digital HD and hits 4K Ultra HD, Blu-ray, DVD, an On Demand on April 16th.

Here’s the full list of bonus features:

  • The Collection of Main Characters- A look at all the main players and how they fit in the universe created by filmmaker M. Night Shyamalan.
  • Bringing the Team Back Together - M. Night Shyamalan is famous for working with many of the same crew from film to film.  In this piece, cast and crew share personal stories of why Shyamalan's productions feel like seeing family again.
  • David Dunn vs. The Beast - An in-depth look at the animalistic face-off between David Dunn and The Beast
  • Glass Decoded - M. Night Shyamalan unveils some secrets of continuity and style from across the Glass trilogy
  • Breaking Glass: The Stunts - The superhuman strength of The Beast is best illustrated in the stunts. Take a behind the scenes look into the very effective methods of executing stunts in the film.
  • Connecting the Glass Universe - Explore M. Night Shyamalan's stylistic approach to the Glass trilogy and the unconventional concept of a comic book movie grounded in reality.
  • M. Night Shyamalan: Behind the Lens - Cast and crew discuss Shyamalan's dedicated and meticulous approach to storytelling.
  • The Sound of Glass - Composer West Dylan Thordson elaborates on his use of string instruments to create tension, and explains why recording the score on-location enhanced the tone of Glass.
  • Enhancing the Spectacle - The VFX team provides details on the rewarding task of using CGI as an effective tool to intensify the narrative of Glass.
  • Raven Hill Memorial - Roam the long corridors of Raven Hill Memorial Hospital and see why the cast and crew describe the eerie location as its own character in the film.
  • Night Vision- A look at the early stages of Glass by examining the storyboards and their remarkable similarity to the final shots in the film.

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