| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S15E01 | The Mystery of Nan Madol |
January 25, 2020
History
|
42 | |
| S15E02 | The Relics of Roswell |
February 1, 2020
History
|
42 | |
| S15E03 | Destination Chile |
February 8, 2020
History
|
42 | |
| S15E04 | The Real Men in Black |
February 15, 2020
History
|
42 | |
| S15E05 | The Mystery of the Stone Giants |
February 22, 2020
History
|
42 | |
| S15E06 | The World Before Time |
February 29, 2020
History
|
42 | |
| S15E07 | They Came from The Pleiades |
March 7, 2020
History
|
43 | |
| S15E08 | The Immortality Machine |
March 14, 2020
History
|
42 | |
| S15E09 | The Shapeshifters |
March 21, 2020
History
|
42 | |
| S15E10 | The Mystery of Skinwalker Ranch |
March 28, 2020
History
|
42 | |
| S15E11 | The Ultimate Guide to UFOs |
April 11, 2020
History
|
42 | |
| S15E12 |
Aliens and the Presidents
season finale
|
April 18, 2020
History
|
42 |
No artwork of this type.
No artwork of this type.
