| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S13E01 | The UFO Conspiracy |
April 27, 2018
History
|
85 | |
| S13E02 | Da Vinci's Forbidden Codes |
May 4, 2018
History
|
42 | |
| S13E03 | The Alien Protocols |
May 11, 2018
History
|
42 | |
| S13E04 | Earth's Black Holes |
May 18, 2018
History
|
42 | |
| S13E05 | The Desert Codes |
May 25, 2018
History
|
42 | |
| S13E06 | Area 52 |
June 1, 2018
History
|
42 | |
| S13E07 | Earth Station Egypt |
July 20, 2018
History
|
84 | |
| S13E08 | Island of the Giants |
July 27, 2018
History
|
42 | |
| S13E09 | The Taken |
August 3, 2018
History
|
42 | |
| S13E10 | The Sentinels |
August 10, 2018
History
|
42 | |
| S13E11 | Russia Declassified |
August 17, 2018
History
|
42 | |
| S13E12 | They Came from the Sky |
August 24, 2018
History
|
42 | |
| S13E13 | The Artificial Human |
August 31, 2018
History
|
84 | |
| S13E14 | The Alien Phenomenon |
January 4, 2019
History
|
84 | |
| S13E15 |
Return to Mars
season finale
|
January 7, 2019
History
|
84 |
No artwork of this type.
No artwork of this type.
