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8 Episodes
S1 E1 - Capone's Escape Tunnels
S1 E2 - Mystery of the Serpent Mound
S1 E3 - America's Buried Massacre
S1 E4 - Rocky Mountain Monsters
S1 E5 - Great Lakes Bermuda Triangle
S1 E6 - California's Hidden Doomsday
S1 E7 - Secret History of the New World
S1 E8 - American Stonehenge
Streaming, rent, or buy Secrets of the Underground – Season 1:
Currently you are able to watch "Secrets of the Underground - Season 1" streaming on Discovery+, Sky Go.
Synopsis
Scientist Rob Nelson investigates the strangest underground locations in the world, using the latest technology and research to shed new light on the secrets that lie just beneath our feet.
