AMC released today a tribute video to The Walking Dead’s The Governor, where David Morrissey and the cast and crew look back on the rise and fall of The Governor, one of the show’s greatest villains. On New Year’s Eve day, December 31, at 9am ET/PT, AMC will air a two-day marathon of The Walking Dead. Beginning with the pilot, episodes will air back-to-back in chronological order until 5am ET on January 2, 2014.