| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Pathogens and Space Viruses |
November 27, 2018
Gaia
|
30 | |
| S04E02 | E.T.s Helping Humanity |
January 22, 2019
Gaia
|
30 | |
| S04E03 | Telepathy and Communication with E.T.s |
February 26, 2019
Gaia
|
30 | |
| S04E04 | Modern Advances from E.T. Tech |
March 12, 2019
Gaia
|
30 | |
| S04E05 | A Harrowing Journey Begins for a New Insider |
March 19, 2019
Gaia
|
30 | |
| S04E06 | From Mars to Ceres and Beyond |
March 26, 2019
Gaia
|
30 | |
| S04E07 | Fragmented Memories of 20 & Back |
April 1, 2019
Gaia
|
30 | |
| S04E08 | Inner Earth: Descent |
April 23, 2019
Gaia
|
30 | |
| S04E09 | Inner Earth: Missions |
April 30, 2019
Gaia
|
30 | |
| S04E10 | Inner Earth: Microclimates |
May 21, 2019
Gaia
|
30 | |
| S04E11 |
Inner Earth: Diversity of Life
season finale
|
May 28, 2019
Gaia
|
30 |
No artwork of this type.
No artwork of this type.
