Marathon plus a primetime live special on TWD. For me, this will be must-see TV:

http://blogs.amctv.com/the-walking-dead/2012/05/the-walking-dead-preview-weekend.php


"AMC announced today The Walking Dead Season 3 Preview Weekend on Sat., Jul. 7 and Sun., Jul. 8 beginning at 11:30AM/10:30c each day. Airing just one week before Comic-Con, the two-day programming event will feature a marathon of all 19 episodes from the series' critically acclaimed first two seasons, culminating with a Talking Dead live primetime special on Sun., Jul. 8 at 9/8c. The one-time-only airing of Talking Dead, hosted by Chris Hardwick (Nerdist), will be followed by a never-before-seen black and white version of The Walking Dead pilot episode at 10/9c. The special version of the series' first episode was created specifically for fans of The Walking Dead, as it holds true to the original black and white comic book, written by Robert Kirkman."