Explore a world never seen before a world hidden under miles of water, the landscape of the seabed. Join expeditions to dive long-lost vessels, discover ancient sites and follow the scientists who are probing the darkest and deepest corners of this underwater world. Computer generated, three-dimensional maps and imagery will offer a first glimpse of these mysteries.
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8 episodes • 2019Avg: 7.1Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Sunken Cities | Mar 12, 2019 | 7.0 |
| 2 | Treasures of The Deep | Mar 19, 2019 | 7.0 |
| 3 | Sunken War Ships | Mar 26, 2019 | 7.0 |
| 4 | Stormy Seas | Apr 2, 2019 | 7.0 |
| 5 | Sabotage On The High Seas | Apr 9, 2019 | 7.0 |
| 6 | America's Sunken Shores | Apr 16, 2019 | 7.0 |
| 7 | Deep Water Disasters | Apr 23, 2019 | 8.0 |
| 8 | Undersea Empires | Apr 30, 2019 | 7.0 |
3 episodes • TBA
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Sunken Weapons of War | TBA | 0.0 |
| 2 | America's Lost Treasures | TBA | 0.0 |
| 3 | Disasters at Sea | TBA | 0.0 |
