行尸走肉特别篇 替换图片集编号36Inside The Walking Dead: Walker UniversityOverviewGreg Nicotero takes viewers on a behind-the-scenes look at the process of creating the shows 'walkers'. Featuring interviews with actors, costume designers and special effects people at The Walking Dead's own Zombie School.Air dateJuly 15, 2014Runtime (min)45Special type—Critical to story否