| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | The Time Travel Enigma |
May 15, 2018
Science Channel
|
45 | |
| S04E02 | Mission to the Red Planet |
May 22, 2018
Science Channel
|
45 | |
| S04E03 | Hunt for the Edge of the Universe |
May 29, 2018
Science Channel
|
45 | |
| S04E04 | Journey to Alien Earths |
June 5, 2018
Science Channel
|
45 | |
| S04E05 | Wrath of the Black Hole |
June 12, 2018
Science Channel
|
45 | |
| S04E06 | New Race to the Moon |
June 19, 2018
Science Channel
|
45 | |
| S04E07 | Mars: The Next Frontier |
June 26, 2018
Science Channel
|
45 | |
| S04E08 | Secret History of the Juno Mission |
July 10, 2018
Science Channel
|
45 | |
| S04E09 | Mystery of the Northern Lights |
July 17, 2018
Science Channel
|
45 | |
| S04E10 |
Pluto's Strange Secrets
season finale
|
October 14, 2018
Science Channel
|
45 | |
| S04E11 | Dark Origins of the Moon |
October 15, 2018
Science Channel
|
45 | |
| S04E12 | Mystery of the Alien Megastructure |
October 22, 2018
Science Channel
|
45 | |
| S04E13 |
Journey to Saturn's Rings
season finale
|
October 29, 2018
Science Channel
|
45 |
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No artwork of this type.
No artwork of this type.