As part of the build-up to the Season 3 Premiere on Sunday, AMC will be showing Season 1 and Season 2 of The Walking Dead. The Marathon kicks off on Saturday, October 13th at 10 AM ET with the first episode of Season 1 “Days Gone Bye”. After the first 3 episodes of Season 1, AMC will air a special sneak peek for Season 3 at 1:30 pm ET. After the Season 3 sneak peek AMC will show the rest of Season 1 which will continue on to Season 2.
Since some of the Season 2 episodes will be shown at night when most people are either out doing stuff or sleeping, AMC will be showing a re-run of some of the episodes of Season 2 on Sunday at 6:51 Am ET which will lead up to the Season 3 premiere at 9pm on Sunday.
Additionally, people who missed the Season 3 sneak peek will be able to see it at 1:40 PM ET, 7:24 PM ET, and 10:29 PM ET on Saturday, October 13 and at 2:41 AM ET, 9:23 AM ET, 12:31 PM ET, 3:42 PM ET, and 6:52 PM ET on Sunday, October 14.