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Original Release
10/02/2019
US Release
10/02/2019
Cast
| # |
Title |
Air Date |
|---|
| 1 |
Hotel Bunker of the Apocalypse |
Thursday, 05 August 2021 |
|---|
| 2 |
Mystery of the Kentucky Cave |
Thursday, 12 August 2021 |
|---|
| 3 |
Cincinnati's Secret Caverns |
Thursday, 19 August 2021 |
|---|
| 4 |
Buried Lab of the Black Hills |
Thursday, 26 August 2021 |
|---|
| 5 |
Ireland's Underground Alcatraz |
Thursday, 02 September 2021 |
|---|
| 6 |
Subterranean Silo Survival |
Thursday, 09 September 2021 |
|---|
| 7 |
Italy's Subterranean Secret |
Thursday, 16 September 2021 |
|---|
| 8 |
Grand Canyon's Lost Treasure |
Thursday, 23 September 2021 |
|---|
| 9 |
Murder Raid Tunnels |
Thursday, 30 September 2021 |
|---|
| 10 |
Medieval Maze of Secrets |
Thursday, 07 October 2021 |
|---|
| 11 |
Italy's Subterranean Secret |
Thursday, 16 September 2021 |
|---|
Directors
Tom Kirkman, Jonny Leeder, Adam Vardy, Randy Wimberg, Brian Dentz, Javier Gomez, Ivan Petrusic, Kameron Mogadam, Yair Cymerman, Andrew Cummins, Sean Healey, Jeremy Rothman, Radu-Dumitru Zaporojan
Cast
Producers
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