This week: ancient alien theories! Why do so many early civilisations and tribes have stories about 'beings who descended from the sky'? What about Ezekiel's vision in the Bible... and the Gnostic texts describing parasitic 'Archons' from outer space? Did Pleiadians land in Hawaii? Are the Tibetan Dropa Stones a hoax, or evidence of a crashed spacecraft? Was Ancient Egypt's King Akenatun a human – or a being from Sirius? Also: Rebecca's Universal Alien Archetype theory!