As of July 2026, How the Universe Works Season 6 aired in 2018 with 10 episodes — streaming now on HBO Max. Full episode guide and where to watch below.
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How the Universe Works Season 6

2018 10 Episodes Documentary ⭐ 8/10

If you want a documentary that respects its subject, How the Universe Works Season 6 is available on and right now. Across 1 season, the show has had time to find its rhythm and keep it. 123 viewers have already rated it on TMDB — the kind of consensus that does not happen by accident. The storytelling serves the subject rather than the other way around. Put it on tonight and see for yourself.

Part of the current wave of titles people are actually watching, How the Universe Works Season 6 earns its spot. How the Universe Works Season 6 approaches its subject with the rigour that makes documentary storytelling worth taking seriously. Season 6 of How the Universe Works includes 10 episodes. It aired from January 2018 to March 2018. Episodes include "Are Black Holes Real?", "Twin Suns: The Alien Mysteries", "Dark History of the Solar System". It was aired in 2018. What elevates How the Universe Works Season 6 above most documentary work is a refusal to settle for the easy version of the story. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

Documentary fans who value serious storytelling will find How the Universe Works Season 6 essential viewing. It rewards viewers regardless of what else is in their watch history. A contained run means every episode is doing real work. Rigorous in a way documentary work does not always commit to. Not background viewing — it rewards your full attention.

📡 Where to Watch How the Universe Works Season 6

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 How the Universe Works Season 6 — Episode Guide

E1
Are Black Holes Real?
2018-01-09
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.
E2
Twin Suns: The Alien Mysteries
2018-01-16
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.
E3
Dark History of the Solar System
2018-01-23
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.
E4
Death of the Milky Way
2018-01-30
The Milky Way is dying, and using the latest science and discoveries, experts are investigating what's killing it.
E5
Uranus & Neptune: Rise of the Ice Giants
2018-02-06
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.
E6
Secret History of Mercury
2018-02-13
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.
E7
The Quasar Enigma
2018-02-20
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.
E8
Strange Lives of Dwarf Planets
2018-02-27
Our solar system is home to hundreds of strange, tiny worlds called dwarf planets, and new discoveries reveal the secrets of these mysterious places.
E9
War on Asteroids
2018-03-06
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.
E10
Mystery of Spacetime
2018-03-13
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.

📋 All Seasons of How the Universe Works

Season 1Season 2Season 3Season 4Season 5Season 7Season 8Season 9

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