Join Giorgio Tsoukalos and other ancient astronaut theorists as they continue their search for evidence of extraterrestrial contact in the distant past as well as the present. From Tibet, Chile, and the Mediterranean to the iconic UFO site of Roswell to the Pleiades star cluster, this season travels to the far reaches of the globe and beyond to delve into mankind's origins, mysterious government organizations, and the secrets of the universe, all to finally find out if we are alone in the universe, or if extraterrestrial forces have been aiding and guiding us all along.