Sesong 4
Bilder
| # | Bilde | Tittel | Sendt |
|---|---|---|---|
| 1 |  | Viking Secrets | 27. des. 2017 |
| 2 |  | Vikings In America | 3. jan. 2018 |
| 3 |  | Origins of Stonehenge | 10. jan. 2018 |
| 4 |  | The Secret | 17. jan. 2018 |
| 5 |  | Butch Cassidy's Lost Loot | 24. jan. 2018 |
| 6 |  | Hunt For The Metal Library | 31. jan. 2018 |
| 7 |  | Great Women of Ancient Egypt | 7. feb. 2018 |
| 8 |  | Egypt's Lost Queens | 14. feb. 2018 |
| 9 |  | Secrets of Brother XII | 28. feb. 2018 |