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10 Episodes
S1 E1 - Secrets of the Rock
S1 E2 - Mystery of the Lost Labyrinth
S1 E3 - Secrets of the Terror Tunnels
S1 E4 - The Renegade's Lair
S1 E5 - Cave of the Body Snatchers
S1 E6 - World's Biggest Labyrinth
S1 E7 - Treasures of the Lost Mine
S1 E8 - Ghosts of the Hell Maze
S1 E9 - Conspiracy in the Buried City
S1 E10 - Curse of Cannibal Caves
Streaming, rent, or buy Underground Marvels – Season 1:
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Synopsis
Underground Worlds returns for a second epic series, exploring the wonders hidden beneath our feet. The intriguing stories behind these extraordinary man-made spaces, natural caves, military bunkers and wonders of engineering are brought to life with spectacular footage from deep down below.
