Find out how the Visual Effects team created the massive zombie hordes in a new Behind-the-Scenes DVD extras clip from the upcoming release of The Walking Dead: Season One -- Special Edition.

Anchor Bay Entertainment will release The Walking Dead: Season One– Special Edition on October 4, 2011. Available in three versions (Special Edition DVD, Special Edition Blu-ray and Limited Edition Blu-ray Collector's Tin), each set contains all six episodes of the first season and is loaded with NEW behind-the-scenes featurettes, audio commentaries, extra footage and the fan-requested black and white version of the pilot episode. In addition to the Blu-ray special edition, a limited edition collector's tin contains an exclusive wearable zombie mask from NECA designed by the series own make-up artist, Greg Nicotero.

In each version, all six episodes contain audio commentaries including award-winning Producer/Writer/Director Frank Darabont, Executive Producer Gale Anne Hurd, Executive Producer/Writer Robert Kirkman, Producer Denise Huth, Actor Andrew Lincoln, Special Effects Make-Up Artist/Consulting Producer Greg Nicotero and many more.