Secrets of the Underground
Episode List: Secrets of the Underground
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| Date (↑) | Episode # | Title | Network | Rating | Share | Viewers | Watch/Purchase DVD/Download |
|---|---|---|---|---|---|---|---|
| 02/11/2017 | Special | Sneak Peek | Discovery | ||||
| 02/14/2017 | 01-001 | Capone's Escape Tunnels | Science | ||||
| 02/21/2017 | Mystery of the Serpent Mound | Science | |||||
| 02/28/2017 | America's Buried Massacre | Science | |||||
| 03/07/2017 | Rocky Mountain Monsters | Science | |||||
| 03/14/2017 | Great Lakes Bermuda Triangle | Science | |||||
| 03/21/2017 | California's Hidden Doomsday | Science | |||||
| 03/28/2017 | Secret History of the New World | Science | |||||
| 04/04/2017 | American Stonehenge | Science | |||||
| 10/28/2017 | 02-001 | Legend of the Nazi Gold | Science | 0.29 | |||
| 11/04/2017 | King Solomon's Treasures | Science | 0.44 | ||||
| 11/11/2017 | Tesla's Final Secrets | Science | 0.38 | ||||
| 11/18/2017 | Doomsday Volcano Mystery | Science | 0.38 | ||||
| 11/25/2017 | Atlantis in America | Science | 0.42 | ||||
| 12/02/2017 | Mystery of the Ice Cave | Science | 0.33 | ||||
| 12/09/2017 | Lost Pirate City Treasure | Science | 0.34 | ||||
| 12/16/2017 | Quest for the Gold Rush Fortune | Science | 0.34 |
