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The Best Episodes of How the Universe Works Season 5

Every episode of How the Universe Works Season 5 ranked from best to worst. Discover the Best Episodes of How the Universe Works Season 5!

Binge this in 6h 18m•Peaking at 8.5/10

A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has

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Episode Rankings

  1. #1 Fan Favorite
    How the Universe Works Season 5 Episode 3 - Black Holes: The Secret Origin
    8.5/10(86 votes)

    S5:E3

    Recent discoveries could explain how supermassive black holes grow so big, one of the universe's most mysterious questions. Neither dark matter nor cannibalism can fully explain these monsters, but the latest science might finally provide an answer.

    Director:Unknown
    Writer:Unknown

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  2. How the Universe Works Season 5 Episode 1 - Most Amazing Discoveries
    8.4/10(107 votes)

    S5:E1

    From the furthest reaches of space to our own cosmic backyard, we count down the discoveries that changed everything we know about our universe.

    Director:Unknown
    Writer:Unknown

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  3. How the Universe Works Season 5 Episode 2 - Mystery of Planet 9
    8.4/10(98 votes)

    S5:E2

    Scientists have discovered a mysterious ninth planet on the very edge of our solar system. Ten times the size of Earth, this strange world could have moons with extraterrestrial life.

    Director:Unknown
    Writer:Unknown

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  4. How the Universe Works Season 5 Episode 4 - Secret History of Pluto
    8.4/10(79 votes)

    S5:E4

    The first close-up images of Pluto revealed unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbor life.

    Director:Unknown
    Writer:Unknown

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  5. How the Universe Works Season 5 Episode 5 - Stars That Kill
    8.4/10(83 votes)

    S5:E5

    The universe is home to real-life Death Stars that could destroy planet Earth. The latest science reveals the terrifying secrets of NASA's six deadliest: vampire stars, supernovas that can vaporize a planet, and unpredictable stars gone rogue.

    Director:Unknown
    Writer:Unknown

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  6. How the Universe Works Season 5 Episode 6 - The Universe's Deadliest
    8.3/10(87 votes)

    S5:E6

    The universe is a dangerous place, and we explore the deadliest spots in the cosmos. Between earth and the edge of the universe, there are a million ways to die, and our crash test dummy is on a mission to reveal the worst.

    Director:Unknown
    Writer:Unknown

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  7. How the Universe Works Season 5 Episode 8 - The Dark Matter Enigma
    8.3/10(84 votes)

    S5:E8

    Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to our universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.

    Director:Unknown
    Writer:Unknown

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  8. How the Universe Works Season 5 Episode 7 - Life and Death on the Red Planet
    8.2/10(83 votes)

    S5:E7

    Life once existed on Mars, but a series of devastating mass extinctions have made present-day life nearly impossible. The latest science shows how Martian life keeps bouncing back as it transforms from a watery world like Earth into a desert planet.

    Director:Unknown
    Writer:Unknown

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  9. How the Universe Works Season 5 Episode 9 - Strangest Alien Worlds
    0.0/10(0 votes)

    S5:E9

    Discoveries of new planets have revealed countless worlds much stranger than Earth. Some of these worlds don't have stars, others are made out of diamonds. Will we ever find a planet like Earth, or are these distant worlds stranger than fiction?

    Director:Unknown
    Writer:Unknown

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Season 5 Ratings Summary

"Black Holes: The Secret Origin" is the best rated episode of "How the Universe Works" season 5. It scored 8.5/10 based on 86 votes. Directed by Unknown and written by Unknown, it aired on 12/6/2016. This episode is rated 0.1 points higher than the second-best, "Most Amazing Discoveries".