This image released by AMC shows Andrew Lincoln as Rick Grimes in a scene from the season four premiere of "The Walking Dead." The zombies on "The Walking Dead" are relentless. The AMC series

... more 

This image released by AMC shows Andrew Lincoln as Rick Grimes in a scene from the season four premiere of "The Walking Dead." The zombies on "The Walking Dead" are relentless. The AMC series returned for its fourth season on Sunday, Oct. 13, 2013, with its biggest audience ever. (AP Photo/AMC, Gene Page, File) less 

1 / 30
Associated Press
Mon, Oct 21, 2013 3:51 PM EDT