Glen Mazzara is executive producer and showrunner for `` The Walking Dead '' The popular serires returns Sunday night for its second season . ( CNN ) -- Mazzara says he is constantly thinking about zombies in his spare time . TL;DR AMC has announced that it will air the first episode of "The Walking Dead" on Sunday, April 20 at 9 p.m. ET.
Glen Mazzara is executive producer and showrunner for `` The Walking Dead '' The popular serires returns Sunday night for its second season . Mazzara says he is constantly thinking about zombies in his spare time . TL;DR AMC has announced that it will air the first episode of "The Walking Dead" on Sunday, April 20 at 9 p.m. ET.