Watch this clip to find out how zombie legions are created for The Walking Dead

Find out how The Walking Dead Visual Effects team created the massive zombie hordes in this 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 AMC original series 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 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’ 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, Series Star Andrew Lincoln, Special Effects Make-Up Artist/Consulting Producer Greg Nicotero and many more.

Check out the clip below.