| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | The Earliest Americans |
January 9, 2018
National Geographic
|
60 | |
| S04E02 | Drilling for Marsquakes Mars InSight |
May 18, 2018
National Geographic
|
60 | |
| S04E03 |
Mars InSight: Seven Minutes to Touchdown
series finale
|
November 27, 2018
National Geographic
|
60 | |
| S04E04 | Floodgates of Venice |
National Geographic
|
60 | |
| S04E05 | Shark Family Tree |
National Geographic
|
60 | |
| S04E06 | Private Moonshot |
National Geographic
|
60 | |
| S04E07 |
T Rex Timeline
season finale
|
National Geographic
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.