Sneak Peek new images and video clips of the next episode of AMC's third season of "The Walking Dead", titled "Sick", airing October 21, 2012 :
"...after a traumatic event, a life hangs in the balance.
"Complicating matters, the group must also deal with a potential threat to their new surroundings..."
Click the images to enlarge and Sneak Peek "The Walking Dead: Sick"...
