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| Aflevering | Eerste uitzending |
|---|---|
| S02E01 - Secrets of D-Day | 03/06/2019 |
| S02E02 - Secrets of New York City | 10/06/2019 |
| S02E03 - Killer U-Boats | 17/06/2019 |
| S02E04 - Buried Secrets of the Gold Rush | 01/07/2019 |
| S02E05 - Secrets of the Civil War | 22/07/2019 |
| S02E06 - Lost Nukes of the Cold War | 29/07/2019 |
| S02E07 - Secrets of the Spanish Armada | 05/08/2019 |
| S02E08 - Pacific War Megawrecks | 12/08/2019 |
| S02E09 - Thai Cave Rescue | 02/09/2019 |
| S02E10 - London's Secret History | 09/09/2019 |
| S02E11 - Secrets of Loch Ness | 16/09/2019 |
| S02E12 - Hitler's Killer Warships | 23/09/2019 |
| S02E13 - Lost Giants | 30/09/2019 |
| S02E14 - Pacific Shockwave | 07/10/2019 |
| S02E15 - Rise of the Roman Empire | 14/10/2019 |