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The Best Episodes of How the Universe Works Season 6

Every episode of How the Universe Works Season 6 ranked from best to worst. Discover the Best Episodes of How the Universe Works Season 6!

Binge this in 7h 0m•Peaking at 8.9/10

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 6 Episode 1 - Are Black Holes Real?
    8.9/10(81 votes)

    #1 - Are Black Holes Real?

    S6:E1

    New discoveries are challenging everything we know about black holes, and astronomers are beginning to question if they even exist. The latest science tries to explain how they work and what they look like, despite the fact we've never actually seen one.

    Director:Unknown
    Writer:Unknown

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  2. How the Universe Works Season 6 Episode 2 - Twin Suns: The Alien Mysteries
    8.5/10(76 votes)

    #2 - Twin Suns: The Alien Mysteries

    S6:E2

    Planets that orbit two suns instead of one might be deadly hell worlds, but new discoveries reveal that sci-fi star systems with binary stars might be optimal places for alien life.

    Director:Unknown
    Writer:Unknown

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  3. How the Universe Works Season 6 Episode 3 - Dark History of the Solar System
    8.5/10(77 votes)

    #3 - Dark History of the Solar System

    S6:E3

    Our solar system hides a dark and violent past, and new discoveries reveal that Earth and the planets were formed from the destruction of strange alien worlds that came before us.

    Director:Unknown
    Writer:Unknown

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  4. How the Universe Works Season 6 Episode 4 - Death of the Milky Way
    8.3/10(74 votes)

    #4 - Death of the Milky Way

    S6:E4

    The Milky Way is dying, and using the latest science and discoveries, experts are investigating what's killing it.

    Director:Unknown
    Writer:Unknown

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  5. How the Universe Works Season 6 Episode 5 - Uranus & Neptune: Rise of the Ice Giants
    8.5/10(84 votes)

    #5 - Uranus & Neptune: Rise of the Ice Giants

    S6:E5

    Uranus and Neptune are mysterious, icy worlds at the edge of our solar system, and new discoveries reveal that these strange planets might have helped start life on Earth.

    Director:Unknown
    Writer:Unknown

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  6. How the Universe Works Season 6 Episode 6 - Secret History of Mercury
    8.4/10(79 votes)

    #6 - Secret History of Mercury

    S6:E6

    Mercury is a deadly world, facing attacks from the Sun, comets, and other planets, and even though it's the smallest planet in our solar system, it has a dangerous secret a dangerous secret that might one day threaten life on Earth.

    Director:Unknown
    Writer:Unknown

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  7. How the Universe Works Season 6 Episode 7 - The Quasar Enigma
    8.7/10(76 votes)

    #7 - The Quasar Enigma

    S6:E7

    Quasars are the brightest and most powerful objects in our universe, and though they have shaped the cosmos, they might ultimately destroy everything that exists.

    Director:Unknown
    Writer:Unknown

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  8. How the Universe Works Season 6 Episode 8 - Strange Lives of Dwarf Planets
    8.7/10(70 votes)

    #8 - Strange Lives of Dwarf Planets

    S6:E8

    Our solar system is home to hundreds of strange, tiny worlds called dwarf planets, and new discoveries reveal the secrets of these mysterious places.

    Director:Unknown
    Writer:Unknown

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  9. How the Universe Works Season 6 Episode 9 - War on Asteroids
    8.5/10(62 votes)

    #9 - War on Asteroids

    S6:E9

    Scientists are using cutting-edge technology to stop an asteroid apocalypse, and for the first time, mankind is closer than ever to keeping Earth safe from these killer space rocks.

    Director:Unknown
    Writer:Unknown

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  10. How the Universe Works Season 6 Episode 10 - Mystery of Spacetime
    8.8/10(81 votes)

    #10 - Mystery of Spacetime

    S6:E10

    Spacetime is the secret structure that controls our universe, and this strange four-dimensional substance controls time, light, and energy. It will also determine how our universe will end.

    Director:Unknown
    Writer:Unknown

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Season 6 Ratings Summary

"Are Black Holes Real?" is the best rated episode of "How the Universe Works" season 6. It scored 8.9/10 based on 81 votes. Directed by Unknown and written by Unknown, it aired on 1/9/2018. This episode is rated 0.4 points higher than the second-best, "Twin Suns: The Alien Mysteries".