From ghostly hitchhikers to tales of insidious alien conspiracies, everyone loves a good spooky campfire story. But where do modern legends come from? Why do they all seem to have certain common threads? In tonight's episode, Ben, Matt and Noel don't just break down how these stories work: they teach you, step by step, how to build your own -- and, most importantly, how the same storytelling process has been weaponized against you, with dangerous results.