Explore the world’s most fascinating, strange and inexplicable mysteries. Each episode features compelling contributions from scientists, historians, witnesses and experiencers—each seeking to shed light on how the seemingly impossible actually can happen.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Evil Places | 2019-07-19 | 60 min |
| Season 1 | Episode 2 | Mysterious Structures | 2019-07-26 | 60 min |
| Season 1 | Episode 3 | Strange Creatures | 2019-08-02 | 60 min |
| Season 1 | Episode 4 | Unnatural Nature | 2019-08-09 | 60 min |
| Season 1 | Episode 5 | Bizarre Rituals | 2019-08-16 | 60 min |
| Season 1 | Episode 6 | Life Beyond Death | 2019-08-23 | 60 min |
| Season 1 | Episode 7 | Mysteries of the Mind | 2019-08-30 | 60 min |
| Season 1 | Episode 8 | Incredible Survivors | 2019-09-06 | 60 min |
| Season 1 | Episode 9 | The Oak Island Curse | 2020-02-29 | 60 min |
| Season 1 | Episode 10 | Dark Prophecies | 2020-03-07 | 60 min |
| Season 1 | Episode 11 | Lost Civilizations | 2020-03-14 | 60 min |
| Season 1 | Episode 12 | Deadly Cults | 2020-03-21 | 60 min |
| Season 1 | Episode 13 | Extreme Weather Mysteries | 2020-03-28 | 60 min |
| Season 1 | Episode 14 | Mysterious Stones | 2020-04-11 | 60 min |
| Season 1 | Episode 15 | Vampires and Werewolves | 2020-04-18 | 60 min |
| Season 1 | Episode 16 | Amazing Animal Abilities | 2020-04-25 | 60 min |
| Season 2 | Episode 1 | The Greatest Escapes | 2020-07-11 | 60 min |
| Season 2 | Episode 2 | Superhuman Senses | 2020-07-18 | 60 min |
| Season 2 | Episode 3 | Mysterious Curses | 2020-07-25 | 60 min |
| Season 2 | Episode 4 | The Truth About UFOs | 2020-08-01 | 60 min |
| Season 2 | Episode 5 | The Underground World | 2020-08-08 | 60 min |
| Season 2 | Episode 6 | Leading Double Lives | 2020-08-15 | 60 min |
| Season 2 | Episode 7 | Mysteries of the Bible | 2021-01-01 | 60 min |
| Season 2 | Episode 8 | Mysterious Mummies | 2021-01-08 | 60 min |
| Season 2 | Episode 9 | Secrets of America's Monuments | 2021-01-15 | 60 min |
| Season 2 | Episode 10 | The Search for Atlantis | 2021-01-22 | 60 min |
| Season 2 | Episode 11 | Extraordinary Engineering | 2021-01-29 | 60 min |
| Season 2 | Episode 12 | The Power of Gold | 2021-02-19 | 60 min |
| Season 2 | Episode 13 | The Truth About Bigfoot | 2021-02-26 | 60 min |
| Season 2 | Episode 14 | Bizarre Vanishings | 2021-03-05 | 60 min |
| Season 2 | Episode 15 | Serial Killers | 2021-03-12 | 60 min |
| Season 2 | Episode 16 | The Mystery of Plagues | 2021-04-02 | 60 min |
| Season 2 | Episode 17 | Mysteries of the Moon | 2021-04-09 | 60 min |
| Season 2 | Episode 18 | Outrageous Robberies | 2021-04-16 | 60 min |
| Season 3 | Episode 1 | The Hunt for Hidden Treasures | 2021-11-05 | 60 min |
| Season 3 | Episode 2 | Satanic Encounters | 2021-11-12 | 60 min |
| Season 3 | Episode 3 | The Search for the Ark of the Covenant | 2021-11-19 | 60 min |
| Season 3 | Episode 4 | Apocalypse When? | 2021-11-26 | 60 min |
| Season 3 | Episode 5 | Secrets of the Immortals | 2021-12-03 | 60 min |
| Season 3 | Episode 6 | Sacred Bones | 2021-12-10 | 60 min |
| Season 3 | Episode 7 | Mysteries of Mars | 2021-12-17 | 60 min |
| Season 4 | Episode 1 | Mysterious Ancient Ruins | 2022-04-01 | 60 min |
| Season 4 | Episode 2 | The Mystery of Genius | 2022-04-01 | 60 min |
| Season 4 | Episode 3 | What Lies Below? | 2022-04-08 | 60 min |
| Season 4 | Episode 4 | Secrets of Abandoned Places | 2022-04-15 | 60 min |
| Season 4 | Episode 5 | Acts of God | 2022-04-22 | 60 min |
| Season 4 | Episode 6 | Serial Killer Creatures | 2022-05-06 | 60 min |
| Season 4 | Episode 7 | Mysterious Tombs | 2022-05-13 | 60 min |
| Season 4 | Episode 8 | Uncanny Curses | 2022-05-20 | 60 min |
| Season 4 | Episode 9 | Superhuman Feats | 2022-05-27 | 60 min |
| Season 4 | Episode 10 | Mysteries of the Missing Link | 2022-06-03 | 60 min |
| Season 4 | Episode 11 | Surviving the Impossible | 2022-06-10 | 60 min |
| Season 4 | Episode 12 | The Search for King Arthur | 2022-06-24 | 60 min |
| Season 4 | Episode 13 | Wonders of the Ancient World | 2022-10-07 | 60 min |
| Season 4 | Episode 14 | The Hunt for Jack the Ripper | 2022-10-14 | 60 min |
| Season 4 | Episode 15 | The Search for Extraterrestrial Life | 2022-10-21 | 60 min |
| Season 4 | Episode 16 | Real Life Monsters | 2022-10-28 | 60 min |
| Season 4 | Episode 17 | America's Lost Treasures | 2022-11-04 | 60 min |
| Season 4 | Episode 18 | The Bermuda Triangle and the Beyond | 2022-11-18 | 60 min |
| Season 4 | Episode 19 | Secrets of the Founding Fathers | 2022-11-25 | 60 min |
| Season 4 | Episode 20 | The Weird Wild West | 2022-12-02 | 60 min |
| Season 4 | Episode 21 | Devastating Disasters | 2022-12-09 | 60 min |
| Season 4 | Episode 22 | Mysterious Monoliths | 2022-12-16 | 60 min |
| Season 5 | Episode 1 | Lost Cities | 2023-03-31 | 60 min |
| Season 5 | Episode 2 | Tales of the Dearly Departed | 2023-04-07 | 60 min |
| Season 5 | Episode 3 | Curses Unleashed | 2023-04-14 | 60 min |
| Season 5 | Episode 4 | Earth's Unsolved Mysteries | 2023-04-21 | 60 min |
| Season 5 | Episode 5 | The Power of Prophecy | 2023-05-05 | 60 min |
| Season 5 | Episode 6 | Mysterious Monsters | 2023-05-12 | 60 min |
| Season 5 | Episode 7 | Sacred Rituals | 2023-05-19 | 60 min |
| Season 5 | Episode 8 | UFO Hotspots | 2023-06-02 | 60 min |
| Season 5 | Episode 9 | Extraordinary Structures | 2023-06-09 | 60 min |
| Season 5 | Episode 10 | Holy Relics | 2023-06-16 | 60 min |
| Season 6 | Episode 1 | The World Beneath Our Feet | 2023-10-06 | 63 min |
| Season 6 | Episode 2 | The Time Travelers | 2023-10-13 | 64 min |
| Season 6 | Episode 3 | Secrets of Ancient Structures | 2023-10-20 | 64 min |
| Season 6 | Episode 4 | Mysteries of the Vikings | 2023-11-03 | 64 min |
| Season 6 | Episode 5 | Strange Stories of the Presidents | 2023-11-10 | 64 min |
| Season 6 | Episode 6 | Bizarre Afflictions | 2023-11-17 | 64 min |
| Season 6 | Episode 7 | Strange Technology | 2023-12-01 | 64 min |
| Season 6 | Episode 8 | Unbreakable Codes | 2023-12-08 | 64 min |
| Season 6 | Episode 9 | Strange Stories of World War II | 2023-12-15 | 64 min |
| Season 6 | Episode 10 | Monsters Among Us | 2023-12-22 | 63 min |
| Season 7 | Episode 1 | The Golden Age of Pirates | 2024-10-04 | 63 min |
| Season 7 | Episode 2 | Impossible Ancient Inventions | 2024-10-11 | 63 min |
| Season 7 | Episode 3 | The Lost | 2024-10-18 | 63 min |
| Season 7 | Episode 4 | Alien Contagion | 2024-10-25 | 63 min |
| Season 7 | Episode 5 | Ancient Bible Relics | 2024-11-01 | 63 min |
| Season 7 | Episode 6 | Islands of the Damned | 2024-11-08 | 63 min |
