The BEST episodes of Space's Deepest Secrets season 5

Every episode of Space's Deepest Secrets season 5, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Space's Deepest Secrets season 5!

The stories of deep-space explorers who are risking their careers, and even their lives, to lead humanity to worlds yet to be seen.

Last Updated: 11/10/2024Network: Science ChannelStatus: Ended
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Mystery of the Alien Megastructure
star
7.93
15 votes

#1 - Mystery of the Alien Megastructure

Season 5 - Episode 2 - Aired 10/22/2018

A mysterious star hundreds of light years away might hold the hard evidence of extraterrestrial life, as experts speculate that its bizarre behavior points to proof of a massive alien-made megastructure.

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Journey to Saturn's Rings
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7.86
14 votes

#2 - Journey to Saturn's Rings

Season 5 - Episode 3 - Aired 10/29/2018

New discoveries change everything known about Saturn's rings, revealing that they're newer and more mysterious than ever imagined, and that some day soon, they might disappear forever.

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Dark Origins of the Moon
star
7.72
18 votes

#3 - Dark Origins of the Moon

Season 5 - Episode 1 - Aired 10/15/2018

New discoveries reveal that everything known about the moon could be wrong; investigators race to understand the mysteries of its dark and violent past.

Watch Now:AmazonApple TV