How do human civilization decide who owns what? It's a devilish, dangerous, and disturbing question absolutely riddled with conspiracy. In tonight's episode, Ben, Matt and Noel explore the concept of "terra nullius" -- the idea that, if you have the right flag and a solid army, you can just rock up to any place on Earth and call dibs. Tune in to learn how this conspiratorial concept came to be, why it's sometimes hilarious, and why it's mostly evil. Perhaps most importantly: What does "terra nullius" tell us about the future of exploration?