Such is the fundamental question of AMC 's widely successful show `` The Walking Dead , '' which returns this Sunday for its second season . Mazzara is executive producer and showrunner for `` The Walking Dead The popular serires returns its second season Sunday night for its second season . Glen Mazzara says he is constantly thinking about zombies in his spare time . He offers insights into how the show comes together .
Mazzara is executive producer and showrunner for `` The Walking Dead The popular serires returns its second season Sunday night for its second season . Glen Mazzara says he is constantly thinking about zombies in his spare time . He offers insights into how the show comes together .