No gimmicks, no games, our doomsday preppers return! These men and women stand united in their unshakable certainty that the world faces tougher times. Times when stores are empty, urine might be converted to drinking water and electricity is but a dream. Most of us have enough water to last 48 hours, yet preppers work around-the-clock stockpiling and planning, whether it's for Armageddon, an F5 tornado or a terrorist smallpox attack. With experts analyzing just how equipped they are, viewers are left to make their own decision as to whether the preppers are tip-top planners... or just plain paranoid.