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| Aflevering | Eerste uitzending |
|---|---|
| S13E01 - The UFO Conspiracy | 27/04/2018 |
| S13E02 - Da Vinci's Forbidden Codes | 04/05/2018 |
| S13E03 - The Alien Protocols | 11/05/2018 |
| S13E04 - Earth's Black Holes | 18/05/2018 |
| S13E05 - The Desert Codes | 25/05/2018 |
| S13E06 - Area 52 | 01/06/2018 |
| S13E07 - Earth Station Egypt | 20/07/2018 |
| S13E08 - Island of the Giants | 27/07/2018 |
| S13E09 - The Taken | 03/08/2018 |
| S13E10 - The Sentinels | 10/08/2018 |
| S13E11 - Russia Declassified | 17/08/2018 |
| S13E12 - They Came from the Sky | 24/08/2018 |
| S13E13 - The Artificial Human | 31/08/2018 |
| S13E14 - The Alien Phenomenon | 04/01/2019 |
| S13E15 - Return to Mars | 07/01/2019 |