Watch Secrets TV Series Episodes Online.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Turin Shroud | 2013-08-04 | 60 min |
| Season 1 | Episode 2 | The Sphinx | 2013-08-11 | 60 min |
| Season 1 | Episode 3 | Golden Raft of El Dorado | 2013-08-18 | 60 min |
| Season 1 | Episode 4 | Richard III Revealed | 2013-08-25 | 60 min |
| Season 1 | Episode 5 | A Viking Map? | 2013-09-01 | 60 min |
| Season 1 | Episode 6 | Gospel of Jesus's Wife | 2014-05-05 | 60 min |
| Season 2 | Episode 1 | Easter Island | 2014-10-13 | 60 min |
| Season 2 | Episode 2 | Great Pyramid | 2014-10-20 | 60 min |
| Season 2 | Episode 3 | Nefertiti | 2014-10-27 | 60 min |
| Season 2 | Episode 4 | Ark of the Covenant | 2014-11-03 | 60 min |
| Season 2 | Episode 5 | Spear of Destiny | 2014-11-10 | 60 min |
| Season 2 | Episode 6 | Blackbeard's Ship | 2014-11-17 | 60 min |
| Season 2 | Episode 7 | Great Wall of China | 2015-09-07 | 60 min |
| Season 3 | Episode 1 | Tut's Tomb | 2016-04-25 | 60 min |
| Season 3 | Episode 2 | The Copper Scroll | 2016-05-02 | 60 min |
| Season 3 | Episode 3 | The Holy Grail | 2016-05-09 | 60 min |
| Season 3 | Episode 4 | Egypt's Lost City | 2016-05-16 | 60 min |
| Season 3 | Episode 5 | America's Lost Pyramid | 2016-05-23 | 60 min |
| Season 3 | Episode 6 | Hunt for Atlantis | 2016-05-30 | 60 min |
| Season 4 | Episode 1 | Tower of Babel | 2017-04-24 | 60 min |
| Season 4 | Episode 2 | Riddle of Petra | 2017-05-01 | 60 min |
| Season 4 | Episode 3 | Stonehenge Mystery | 2017-05-08 | 60 min |
| Season 4 | Episode 4 | Headless Gladiators of York | 2017-05-15 | 60 min |
| Season 4 | Episode 5 | Plagues of Egypt | 2017-05-22 | 60 min |
| Season 4 | Episode 6 | Shrunken Heads | 2017-05-29 | 60 min |
| Season 4 | Episode 7 | Bog Bodies | 2017-06-05 | 60 min |
| Season 4 | Episode 8 | Garden of Eden | 2017-06-12 | 60 min |
| Season 5 | Episode 1 | Jonah and the Whale | 2018-09-24 | 60 min |
| Season 5 | Episode 2 | Grave of the Vikings | 2018-10-01 | 60 min |
| Season 5 | Episode 3 | The Pharaoh in the Suburbs | 2018-10-08 | 60 min |
| Season 5 | Episode 4 | Egypt's Lost Princess | 2018-10-15 | 60 min |
| Season 5 | Episode 5 | Beasts of the Pharaohs | 2018-10-22 | 60 min |
| Season 5 | Episode 6 | King Solomon's Mines | 2018-10-29 | 60 min |
| Season 6 | Episode 1 | Tut's Last Mission | 2019-11-18 | 60 min |
| Season 6 | Episode 2 | Viking Murder Mystery | 2019-11-25 | 60 min |
| Season 6 | Episode 3 | Gangs of Pompeii | 2019-12-02 | 60 min |
| Season 6 | Episode 4 | Rome's Sunken City | 2019-12-09 | 60 min |
| Season 6 | Episode 5 | Egypt's Apocalypse Volcano | 2019-12-16 | 60 min |
| Season 6 | Episode 6 | Crucifixion Mystery | 2019-12-23 | 60 min |
| Season 7 | Episode 1 | Cleopatra's Lost City | 2021-08-09 | 60 min |
| Season 7 | Episode 2 | Rome's Secret Weapon | 2021-08-16 | 60 min |
| Season 7 | Episode 3 | Underwater Stonehenge | 2021-08-23 | 60 min |
| Season 7 | Episode 4 | Griffin Warrior | 2021-08-30 | 60 min |
| Season 7 | Episode 5 | Riddle of the Roman Skulls | 2021-09-13 | 60 min |
| Season 7 | Episode 6 | Murdered Pharaoh | 2021-09-20 | 60 min |
