Two weeks from today, The Walking Dead returns with the Season 4 premiere, "30 Days Without an Accident". To help get the fans excited for this highly-anticipated season, AMC has released another trailer showing new footage of an attack on the prison, along with 12 photos featuring Andrew Lincoln, Melissa Suzanne McBride, Sonequa Martin-Green, Scott Wilson, Chandler Riggs, Norman Reedus, Steven Yeun, Lauren Cohan and Danai Gurira.
