S01E01 Once There Was a Flood
Graham visits Gunung Padang, an Indonesian archeological site, to find proof of a lost civilization — and the potential cataclysm that wiped it out.
The author returns to Turkey to explore Derinkuyu, an ancient underground city and survival bunker that could shelter thousands in times of crisis.
Journalist and writer Graham Hancock travels the globe hunting for evidence of mysterious, lost civilizations dating back to the last Ice Age.
He attempts to prove that a climatic event 12,000 years ago wiped out an entire civilization far more sophisticated than the simple hunter-gatherers some archaeologists believe lived at that time.