Trolls! These mythical creatures are -- nowadays -- beloved. Most folks think of trolls as creatures of myth, up there with the minotaur, the kraken, the selkie. And yet. In tonight's episode, Ben, Matt and Noel dive into the history of troll folklore, ultimately separating fact from fiction and posing a fascinating question: What if troll legends are an oral remnant of early encounters with a previous thing almost-yet-not-quite-human?