| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S2021E01 | Is 'Oumuamua Alien Technology? |
January 16, 2021
|
||
| S2021E02 | Discovery of a Strange New World |
February 6, 2021
|
||
| S2021E03 | Alien Mirages and Martian Canals |
March 2, 2021
|
||
| S2021E04 | The Drake Equation After Sixty Years | Part 1 of 2 |
March 31, 2021
|
||
| S2021E05 | The Birth-Death Drake Equation | Part 2 of 2 |
April 1, 2021
|
||
| S2021E06 | A MILLION MPH |
April 30, 2021
|
||
| S2021E07 | Black Swans & The "Wow" Signal |
May 19, 2021
|
||
| S2021E08 | How Big Is The Universe? |
June 10, 2021
|
||
| S2021E09 | The Red Sky Paradox |
June 24, 2021
|
||
| S2021E10 | Is It Possible to Learn The Language of Planets? |
July 23, 2021
|
||
| S2021E11 | What If Intelligence Re-Emerges? |
July 29, 2021
|
||
| S2021E12 | Why Origami May Be The Secret to Finding Exomoons |
August 18, 2021
|
||
| S2021E13 | The Star That Can't Exist |
September 15, 2021
|
||
| S2021E14 | Are Alien "Lurkers" Watching You? |
October 8, 2021
|
28 | |
| S2021E15 | Is the Solar System Special? |
November 12, 2021
|
23 | |
| S2021E16 |
Why We Haven't Found Any Earth-Like Planets
season finale
|
December 11, 2021
|
39 |
No artwork of this type.
No artwork of this type.
No artwork of this type.