As of July 2026, How the Universe Works Season 5 aired in 2016 with 9 episodes — streaming now on HBO Max. Full episode guide and where to watch below.
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How the Universe Works Season 5

2016 9 Episodes Documentary ⭐ 8/10

How the Universe Works Season 5 has built a real following on and among viewers who want documentaries that actually inform. A single, tightly-focused season means there is plenty to get through without ever feeling padded. Its 8/10 TMDB score, built from 123 ratings, reflects a title that consistently delivers. The access secured here is hard to overstate. There is no real reason to keep putting it off.

How the Universe Works Season 5 arrived without much fanfare and built its audience the hard way — through word of mouth. How the Universe Works Season 5 resists the urge to oversimplify a subject that deserves better. Season 5 of How the Universe Works includes 9 episodes. It aired from November 2016 to February 2017. Episodes include "Most Amazing Discoveries", "Mystery of Planet 9", "Black Holes: The Secret Origin". It was aired in 2016. What elevates How the Universe Works Season 5 above most documentary work is a refusal to settle for the easy version of the story. It rarely drops the ball, and when it does, it recovers fast.

Documentary fans who value serious storytelling will find How the Universe Works Season 5 essential viewing. It stands on its own even without an obvious comparison point. 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 5

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 How the Universe Works Season 5 — Episode Guide

E1
Most Amazing Discoveries
2016-11-22
From the furthest reaches of space to our own cosmic backyard, we count down the discoveries that changed everything we know about our universe.
E2
Mystery of Planet 9
2016-11-29
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.
E3
Black Holes: The Secret Origin
2016-12-06
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.
E4
Secret History of Pluto
2017-01-03
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.
E5
Stars That Kill
2017-01-10
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.
E6
The Universe's Deadliest
2017-01-17
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.
E7
Life and Death on the Red Planet
2017-01-24
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.
E8
The Dark Matter Enigma
2017-01-31
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.
E9
Strangest Alien Worlds
2017-02-07
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?

📋 All Seasons of How the Universe Works

Season 1Season 2Season 3Season 4Season 6Season 7Season 8Season 9

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