'Walking Dead' Storyboards: How They Sketched Out Carol's Explosive Plan

The Walking Dead unleashed the biggest action sequence in the history of the show on its season 5 premiere Sunday night as Carol blew up a gas tanker, sending flaming zombies everywhere and initiating the raid on Terminus to free her friends. How did the show pull off that epic scene and the crazy stunts within it? Director Greg Nicotero shared his storyboards with us exclusively so you can see for yourself.