8.61 avg 9 episodes 8.6 → 8.7 18 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Simulated Reality | 8.6 | 18 |
| 2 | The Dark Side of the Web | 8.7 | 18 |
| 3 | The Dyatlov Pass Case | 8.8 | 25 |
| 4 | The Eight Spiders | 8.3 | 18 |
| 5 | Artificial Intelligence | 8.3 | 19 |
| 6 | Grazed by the Apocalypse | 8.6 | 20 |
| 7 | The Legend of the Bermuda Triangle | 9.0 | 25 |
| 8 | The Mandela Effect: A Critical Analysis | 8.5 | 19 |
| 9 | The Unknowns: Mystifying UFO Cases | 8.7 | 22 |
8.95 avg 10 episodes 8.8 → 9.6 28 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Cicada 3301: An Internet Mystery | 8.8 | 42 |
| 2 | The Battle of Los Angeles | 8.5 | 25 |
| 3 | The Great Silence | 9.0 | 27 |
| 4 | The Vanishing of Flight 370 | 9.3 | 43 |
| 5 | The Universal S | 8.4 | 29 |
| 6 | The Lost Colony of Roanoke | 8.8 | 32 |
| 7 | The Search For D. B. Cooper | 9.3 | 53 |
| 8 | Extraordinary Until Proven Otherwise | 8.9 | 35 |
| 9 | Consumed by the Apocalypse | 8.9 | 29 |
| 10 | The Enduring Mystery of Jack the Ripper | 9.6 | 63 |
8.63 avg 4 episodes 9.0 → 8.2 66 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Bygone Visions of Cosmic Neighbors | 9.0 | 26 |
| 2 | The Kennedy Assassination: Inside the Book Depository | 9.2 | 52 |
| 3 | The Unbreakable Kryptos Code | 8.1 | 17 |
| 4 | Shouting at Stars: A History of Interstellar Messages | 8.2 | 6 |
