Sneak Peek episode #4 "The Killer Within", from Season 3 of AMC's horrifying 'zombie' dramatic TV series, "The Walking Dead", airing November 4, 2012 :
"...although 'Rick' and his crew hoped their lives would improve over at the prison, someone left the gate to the yard open.
"Then the grounds begin to swarm with slavering 'walkers'.
"Suddenly the prisoners that were supposed to stay in the other cell block wander into Rick's area..."
Click the images to enlarge and Sneak Peek "The Walking Dead: The Killer Within"...
