第 1 季 共 8 集
播出时间：2022年11月11日
第 1 集 Once There Was a Flood
播出时间：2022年11月11日
Graham visits Gunung Padang, an Indonesian archeological site, to find proof of a lost civilization - and the potential cataclysm that wiped it out.
第 2 集 Stranger in a Time of Chaos
播出时间：2022年11月11日
In Cholula, Mexico's oldest continuously-inhabited city, the journalist inspects the world's largest pyramid for signs of a forgotten past.
第 3 集 Sirius Rising
播出时间：2022年11月11日
Graham discovers a fascinating pattern that may connect the spectacular megalithic temples of Malta, which he believes to be much older than reported.
第 4 集 Ghosts of a Drowned World
播出时间：2022年11月11日
Few scholars have investigated the Bimini rock formation off the coast of Miami, once fabled to be the road to Atlantis - but Graham dives right in.
第 5 集 Legacy of the Sages
播出时间：2022年11月11日
At Göbekli Tepe, the oldest known megalith in the world, Graham questions if simple hunter-gatherers alone could have built such an advanced structure.
第 6 集 America's Lost Civilization
播出时间：2022年11月11日
Graham visits ancient mounds in North America and wonders if they contain astronomical significance - or even warnings of an apocalyptic climate event.
第 7 集 A Fatal Winter
播出时间：2022年11月11日
The author returns to Turkey to explore Derinkuyu, an ancient underground city and survival bunker that could shelter thousands in times of crisis.
第 8 集 Cataclysm and Rebirth
播出时间：2022年11月11日
In the ancient geological sites of North America, Graham envisions an apocalyptic event that may have changed the Earth - and its inhabitants - forever.
