| # | Air Date | Episode Name | Watched? |
|---|---|---|---|
| E1 | Mar 09, 2020 | ||
| E2 | Mar 09, 2020 | ||
| E3 | Mar 16, 2020 | ||
| E4 | Mar 16, 2020 | ||
| E5 | Mar 23, 2020 | ||
| E6 | Mar 23, 2020 | ||
| E7 | Mar 30, 2020 | ||
| E8 | Mar 30, 2020 | ||
| E9 | Apr 06, 2020 | ||
| E10 | Apr 06, 2020 | ||
| E11 | Apr 13, 2020 | ||
| E12 | Apr 13, 2020 | ||
| E13 | Apr 20, 2020 | ||
| E14 | Apr 20, 2020 | ||
| E15 | Apr 27, 2020 | ||
| E16 | Apr 27, 2020 | ||
| E17 | May 04, 2020 | ||
| E18 | May 04, 2020 | ||
| E19 | May 04, 2020 | ||
| E20 | May 11, 2020 | ||
| E21 | May 11, 2020 | ||
| E22 | May 18, 2020 | ||
| E23 | May 18, 2020 | ||
| E24 | May 25, 2020 | ||
| E25 | May 25, 2020 | ||
| E26 | Jun 01, 2020 | ||
| E27 | Jun 01, 2020 | ||
| E28 | Jun 08, 2020 | ||
| E29 | Jun 08, 2020 | ||
| E30 | Mar 16, 2020 |
Secrets Unlocked remains a vital touchstone for historical docuseries enthusiasts. Guided by the charismatic presence of host Adam Mastrelli, the series ignited a unique spark by blending forensic science with ancient enigmas. It successfully transformed dense archeological data into gripping, accessible narratives, ensuring that the distant past felt immediate, relevant, and hauntingly alive for a modern global audience.
The show’s cultural DNA lies in its relentless pursuit of truth beneath the surface of legend. Fans return to these episodes because they offer a profound sense of discovery that transcends typical educational programming. By humanizing historical figures and demystifying long-held secrets, it solidified its place as a thoughtful, evergreen staple of the Smithsonian Channel, resonating deeply with anyone possessing an insatiable curiosity for the world’s hidden histories.