: Hancock poses the question of whether an ancient civilization could have possessed the advanced seafaring skills and knowledge to map the world's oceans thousands of years before recorded history.
In this episode, journalist and author travels to the Bahamas to investigate underwater geological formations that he believes may be evidence of a lost advanced civilization. Episode Summary
: The investigation links these underwater "ghosts" of the past to the broader theme of the series: that a cataclysmic event at the end of the Ice Age wiped out a global, sophisticated precursor civilization. Quick Facts
"Ancient Apocalypse" Ghosts of a Drowned World (TV ... - IMDb
: The episode highlights the debate between Hancock’s fringe theories and the archaeological consensus that the structures are a result of natural geological processes.