| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S21E01 | The Top Ten Extraordinary Discoveries |
February 7, 2025
History
|
42 | |
| S21E02 | The Top Ten Mysterious Monoliths |
February 14, 2025
History
|
42 | |
| S21E03 | The Top Ten UFO Crashes |
February 21, 2025
History
|
42 | |
| S21E04 | The Top Ten Unexplained Technologies |
February 28, 2025
History
|
42 | |
| S21E05 | The Top Ten Secret Projects |
March 7, 2025
History
|
42 | |
| S21E06 | The Top Ten Mysterious Mountains |
March 14, 2025
History
|
42 | |
| S21E07 | Mysteries of the Aztecs |
March 21, 2025
History
|
42 | |
| S21E08 | The Glowing Orb Phenomenon |
March 28, 2025
History
|
42 |
No artwork of this type.
No artwork of this type.
