. >> as a entrepreneurper, he knows at any moment the unexpected can happen. >> what happened?e of those malfunctions from the barrel and it went off. >> stephen: oh my god. he accidentally blew him thumb off. now how will he accidentally shoot other things? (laughter) folks, these preppers are not just a bunch bunch of gun nuts. they're all kinds of nuts. >> some people say oh, i just want to have guns and, frankly, i think that's pretty stupid. marauding bands come, i'll show them how much food i've got, invite them some sort of feast and charm them and if i decide they can be useful and cooperative, great, otherwise i'll poison them or cut their throats in their sleep oring in slyke that. (audience reacts) >> stephen: yeah. and remember if you're a doomsday hippy prepper murdering your guests, save the scrotum, they make great hackky sacks. (laughter) and doomsday prepers has a practical side. at the end of every profile nat geo calls in experts to rate the preppers' prepping. >> the review estimates your bugout vehicle has only enough gas to take you 300 miles. at a minimum