Underground Worlds
- Series
- Documentary & Factual
- PG
S2 E6: Ireland's Underground Alcatraz
Explores hidden defences that have kept Cork Harbour, in Ireland, safe for over 400 years; a former submarine base in the fjords of northern Norway.
Airing
1 Jul, 17:25 - 18:20
2 Jul, 17:25 - 18:20
Catch Up On SBS On Demand
- Info
S2 E8: Buried Lab of the Black Hills
Expires Thu 01 Aug 2024 - Info
S2 E7: Medieval Maze of Secrets
Expires Thu 01 Aug 2024 - Info
S2 E6: Ireland's Underground Alcatraz
Expires Thu 01 Aug 2024 - Info
S2 E5: Mystery of the Kentucky Cave
Expires Thu 01 Aug 2024 - Info
S2 E4: Hotel Bunker of the Apocalypse
Expires Thu 01 Aug 2024 - Info
S2 E3: Cincinnati's Secret Caverns
Expires Thu 01 Aug 2024 - Info
S2 E2: Grand Canyon's Lost Treasure
Expires Thu 01 Aug 2024 - Info
S2 E1: Murder Raid Tunnels
Expires Thu 01 Aug 2024
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