The Walking Dead Episode Four trailer tolls for thee

[embed=http://www.viddler.com/embed/c6fed895/?f=1&autoplay=0&player=simple&secret=103401997&loop=0&nologo=0&hd=0]

This trailer for the fourth episode of The Walking Dead, titled Around Every Corner, quotes John Donne at us before chucking in a ton of zombies and ending bleakly. Given that it's the penultimate offering, it's not surprising to see the episode written by Book of Eli screenwriter Gary Whitta take a turn for the really quite worrying.