The second season of The Walking Dead, an American post-apocalyptic horror television series on AMC, premiered on October 16, 2011, and concluded on March 18, 2012, consisting of 13 episodes. Developed for television by Frank Darabont, the series is based on the eponymous series of comic books by Robert Kirkman, Tony Moore, and Charlie Adlard. It was executive produced by Darabont, Kirkman, Glen Mazzara, David Alpert, and Gale Anne Hurd, with Mazzara assuming the role of showrunner after Darabont's departure from the series.