| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S20E01 | The Top Ten Alien Influencers |
January 5, 2024
History
|
42 | |
| S20E02 | The Top Ten Extraordinary Creatures |
January 12, 2024
History
|
42 | |
| S20E03 | The Top Ten Hidden Alien Bases |
January 19, 2024
History
|
42 | |
| S20E04 | The Top Ten Scariest Encounters |
February 2, 2024
History
|
42 | |
| S20E05 | The Top Ten Alien Codes |
February 9, 2024
History
|
42 | |
| S20E06 | The Top Ten Alien Disasters |
February 16, 2024
History
|
42 | |
| S20E07 | Secrets of the Sumerians |
February 23, 2024
History
|
42 | |
| S20E08 | The UFO Superhighway |
March 1, 2024
History
|
42 | |
| S20E09 | Mysteries of Scotland |
March 8, 2024
History
|
42 | |
| S20E10 | Mystery of the Stone Spheres |
March 15, 2024
History
|
42 |
No artwork of this type.
No artwork of this type.
No artwork of this type.