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Space's Deepest Secrets Season 5 Episodes

  • 2016-2021
  • 8 Seasons
  • Discovery Science Channel
  • Documentary
  • Watchlist
    Where to Watch

Space's Deepest Secrets shares the stories of the men and women who pushed their ingenuity and curiosity beyond the limits to uncover some of the most groundbreaking findings in the history of space exploration.

Season 5 Episode Guide

Season 5

3 Episodes 2018 - 2018

Episode 1

Dark Origins of the Moon

Mon, Oct 15, 201842 mins

New discoveries reveal that everything we know about our moon could be wrong, and now, investigators are racing to understand the mysteries of its dark and violent past.

Where to Watch
Space's Deepest Secrets, Season 5 Episode 1 image

Episode 2

Mystery of the Alien Megastructure

Mon, Oct 22, 201842 mins

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.

Where to Watch
Space's Deepest Secrets, Season 5 Episode 2 image

Episode 3

Journey to Saturn's Rings

Mon, Oct 29, 201842 mins

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

Where to Watch
Space's Deepest Secrets, Season 5 Episode 3 image