'Walking Dead' Season 3 Finale Sets More Ratings Records http://www.hollywoodreporter.com/live-feed/walking-dead-season-3-finale-ratings-431948 'Walking Dead' finale breaks series records http://insidetv.ew.com/2013/04/01/walking-dead-finale-ratings-3/
12.4 million viewers (and 8.1M 18-4) is an amazing number for a cable network show. Even more amazing is this number is probably going to reach 17M when they include the other re-broadcasts later that night. These are NCIS on CBS numbers.