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The Best Episodes of How the Universe Works

Every episode of How the Universe Works ranked from best to worst. Let's dive into the Best Episodes of How the Universe Works!

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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
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    How the Universe Works Season 9 Episode 1 - Journey to a Black Hole
    9.0/10(74 votes)

    #1 - Journey to a Black Hole

    S9:E1

    Journey to the heart of the M87 supermassive black hole, the first and only black hole ever photographed, and explore the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.

    Director:Unknown
    Writer:Unknown

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  2. How the Universe Works Season 6 Episode 1 - Are Black Holes Real?
    8.9/10(81 votes)

    #2 - 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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  3. How the Universe Works Season 8 Episode 7 - Edge of the Universe
    8.9/10(86 votes)

    #3 - Edge of the Universe

    S8:E7

    We don't yet know where the edge of the universe is or what happens there; but thanks to cutting-edge technology and new discoveries, experts might finally reveal the secrets of the phenomena that can be found in deepest reaches of the cosmos.

    Director:Unknown
    Writer:Unknown

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  4. How the Universe Works Season 10 Episode 6 - Voyager's Ultimate Mission
    8.9/10(45 votes)

    #4 - Voyager's Ultimate Mission

    S10:E6

    Experts explore the ultimate, ongoing mission of the Voyager spacecraft.

    Director:Unknown
    Writer:Unknown

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

    #5 - 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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  6. How the Universe Works Season 7 Episode 1 - Nightmares of Neutron Stars
    8.8/10(90 votes)

    #6 - Nightmares of Neutron Stars

    S7:E1

    Neutron stars are strange and violent phenomena that defy the laws of physics, and new discoveries reveal that these bizarre nightmares are far more deadly than we ever thought, with the power to destroy planets and even other stars.

    Director:Unknown
    Writer:Unknown

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    The 20 WORST Episodes of How the Universe Works

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  7. How the Universe Works Season 7 Episode 10 - Cassini's Final Secrets
    8.8/10(76 votes)

    #7 - Cassini's Final Secrets

    S7:E10

    For twenty years, NASA's Cassini spacecraft revealed the strange secrets of Saturn until it vaporized in its atmosphere in a blaze of glory. But today its legacy lives on, as fresh data from the probe helps scientists make brand-new discoveries.

    Director:Unknown
    Writer:Unknown

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  8. How the Universe Works Season 10 Episode 5 - Hunt for the Universe's Origin
    8.8/10(41 votes)

    #8 - Hunt for the Universe's Origin

    S10:E5

    Experts explore the elusive endeavor of determining the age of the cosmos.

    Director:Unknown
    Writer:Unknown

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  9. How the Universe Works Season 3 Episode 2 - The End of the Universe
    8.7/10(140 votes)

    #9 - The End of the Universe

    S3:E2

    How and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch. Expansion and dark energy may tear it apart. Or, a phase transition could kill us tomorrow in a cosmic death bubble.

    Director:Unknown
    Writer:Unknown

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  10. How the Universe Works Season 4 Episode 3 - Monster Black Hole
    8.7/10(105 votes)

    #10 - Monster Black Hole

    S4:E3

    A look inside the supermassive black hole in the center of the Milky Way to discover terrifying secrets about parallel universes, wormholes, and space-time.

    Director:Unknown
    Writer:Unknown

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  11. How the Universe Works Season 4 Episode 4 - Edge of the Solar System
    8.7/10(113 votes)

    #11 - Edge of the Solar System

    S4:E4

    Huge magnetic bubbles millions of miles wide; strange invisible matter, and a death star tearing through bands of icy comets, flinging them into violent orbits.

    Director:Unknown
    Writer:Unknown

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

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

    #13 - 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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  14. How the Universe Works Season 7 Episode 2 - When Supernovas Strike
    8.7/10(81 votes)

    #14 - When Supernovas Strike

    S7:E2

    Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe.

    Director:Unknown
    Writer:Unknown

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  15. How the Universe Works Season 10 Episode 3 - Hunt for Dark Matter
    8.7/10(44 votes)

    #15 - Hunt for Dark Matter

    S10:E3

    Physicists attempt to determine if Dark Matter could actually exist.

    Director:Unknown
    Writer:Unknown

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  16. How the Universe Works Season 10 Episode 4 - Dark History of Earth
    8.7/10(38 votes)

    #16 - Dark History of Earth

    S10:E4

    Experts explore how Earth's disastrous history led to human evolution.

    Director:Unknown
    Writer:Unknown

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  17. How the Universe Works Season 3 Episode 8 - Our Voyage to the Stars
    8.6/10(115 votes)

    #17 - Our Voyage to the Stars

    S3:E8

    One day, a cosmic disaster will make life on Earth impossible. To survive, we must find a new home amongst the stars. Scientists are already developing new propulsion systems to take us to these distant worlds.

    Director:Unknown
    Writer:Unknown

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  18. How the Universe Works Season 4 Episode 5 - Dawn Of Life
    8.6/10(106 votes)

    #18 - Dawn Of Life

    S4:E5

    Discovering how life on Earth came to be; the possibility that life on Earth come from another planet.

    Director:Unknown
    Writer:Unknown

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  19. How the Universe Works Season 4 Episode 7 - The First Oceans
    8.6/10(89 votes)

    #19 - The First Oceans

    S4:E7

    For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.

    Director:Unknown
    Writer:Unknown

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  20. How the Universe Works Season 7 Episode 6 - Did the Big Bang Really Happen?
    8.6/10(80 votes)

    #20 - Did the Big Bang Really Happen?

    S7:E6

    New discoveries are causing astronomers to question if the Big Bang really happened, and using the latest science, they investigate if it wasn't just the start of our universe but many mysterious multiverses.

    Director:Unknown
    Writer:Unknown

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  21. How the Universe Works Season 7 Episode 9 - Finding the New Earth
    8.6/10(70 votes)

    #21 - Finding the New Earth

    S7:E9

    New discoveries have revealed thousands of exoplanets beyond our solar system. Some resemble earth enough that one could be a new home for humanity. Even with cutting-edge technology, finding the perfect one is the scientific challenge of the age.

    Director:Unknown
    Writer:Unknown

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  22. How the Universe Works Season 8 Episode 4 - Death of the Last Stars
    8.6/10(64 votes)

    #22 - Death of the Last Stars

    S8:E4

    Our universe's stars are dying off faster than new ones are born, and using the latest technology, experts investigate the secrets of the last stars of the cosmos and what this stellar apocalypse means for life on earth.

    Director:Unknown
    Writer:Unknown

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  23. How the Universe Works Season 8 Episode 5 - Secrets of Time Travel
    8.6/10(71 votes)

    #23 - Secrets of Time Travel

    S8:E5

    Time travel might be more possible than we ever imagined, and today, cutting-edge technology and the latest research into black holes and wormholes is helping experts get steps closer to discovering how to travel through time.

    Director:Unknown
    Writer:Unknown

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  24. How the Universe Works Season 8 Episode 6 - When NASA Met Jupiter
    8.6/10(60 votes)

    #24 - When NASA Met Jupiter

    S8:E6

    NASA's Juno spacecraft is part of a cutting-edge mission to explore the mysteries of Jupiter, and as this mighty probe is pummeled with deadly radiation, it gathers new data that could change everything we know about the solar system's biggest planet.

    Director:Unknown
    Writer:Unknown

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  25. How the Universe Works Season 8 Episode 8 - Monsters of the Milky Way
    8.6/10(65 votes)

    #25 - Monsters of the Milky Way

    S8:E8

    The center of the Milky Way is home to strange and deadly phenomena that we don't yet understand, but using the latest science, experts are revealing how the supermassive black hole our galaxy's core shapes life on Earth.

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"Journey to a Black Hole" is the best rated episode of "How the Universe Works". It scored 9/10 based on 74 votes. Directed by Unknown and written by Unknown, it aired on 3/24/2021. This episode scored 0.1 points higher than the second highest rated, "Are Black Holes Real?".