Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Extra Terrestrial | 5.3 | 26 |
| 2 | Mysterious Creatures and Beings | 5.6 | 22 |
| 3 | Sacred Places and Buildings | 6.0 | 17 |
| 4 | Supernatural Abilities | 5.6 | 19 |
| 5 | Unexplained Messages | 5.9 | 19 |
| 6 | Paranormal Activities | 5.1 | 21 |
| 7 | Ancient Megastructures | 6.2 | 18 |
| 8 | Places with Healing Power | 5.8 | 17 |
| 9 | Mysteries of Sacred Texts | 6.0 | 15 |
| 10 | Mysteries of Ancient Cultures | 5.2 | 17 |
| 11 | Relics of the Saints | 5.9 | 14 |
| 12 | Secret Cults and Orders | 6.8 | 16 |
| 13 | Science and Mysteries for 21st Century | 6.4 | 16 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | People Without Identity | 6.0 | 14 |
| 2 | Nature's Magic | 7.0 | 10 |
| 3 | Mysterious Works of Art | 6.4 | 10 |
| 4 | Secrets and Magic of Alternative Medicine | 6.4 | 10 |
| 5 | Unsolved Disapperances | 7.3 | 9 |
| 6 | Mysteries of World War II | 6.9 | 10 |
| 7 | Mysteries and Cults of Mummies | 6.9 | 10 |
| 8 | Big City Mysteries | 6.5 | 9 |
| 9 | Medical Mysteries | 6.3 | 9 |
| 10 | Top Secret Military Intelligence Operations | 6.8 | 8 |
| 11 | Suppressed Inventions | 6.5 | 11 |
| 12 | Human Sacrifices | 6.0 | 10 |
| 13 | Forbidden Knowledge | 4.6 | 11 |
