The BEST episodes of How the Universe Works season 9

Every episode of How the Universe Works season 9, ranked from best to worst by thousands of votes from fans of the show. The best episodes of How the Universe Works season 9!

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 ever looked up at the night sky and wondered.

Last Updated: 4/13/2024Network: Science ChannelStatus: Continuing
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Journey to a Black Hole
star
8.04
45 votes

#1 - Journey to a Black Hole

Season 9 - Episode 1 - Aired 3/24/2021

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.

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Mission to a Comet
star
7.74
35 votes

#2 - Mission to a Comet

Season 9 - Episode 2 - Aired 3/31/2021

Experts embark on a ground-breaking mission to land on a comet.

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Mystery of Alien Worlds
star
7.70
37 votes

#3 - Mystery of Alien Worlds

Season 9 - Episode 11 - Aired 6/2/2021

New discoveries reveal the secrets of mysterious alien worlds.

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Curse of the White Dwarf
star
7.67
45 votes

#4 - Curse of the White Dwarf

Season 9 - Episode 5 - Aired 4/21/2021

Dead stars called white dwarfs may be the key to understanding the cosmos.

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War of the Galaxies
star
7.59
39 votes

#5 - War of the Galaxies

Season 9 - Episode 6 - Aired 4/28/2021

Galaxies are locked in continual combat across the universe, and our own Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.

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Secret Lives of Neutrinos
star
7.47
34 votes

#6 - Secret Lives of Neutrinos

Season 9 - Episode 8 - Aired 5/12/2021

New science reveals why neutrinos are the universe's strangest particles.

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Secrets of the Sun
star
7.47
45 votes

#7 - Secrets of the Sun

Season 9 - Episode 3 - Aired 4/7/2021

NASA’s Parker Solar Probe investigates our Sun.

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The Next Supernova
star
7.41
39 votes

#8 - The Next Supernova

Season 9 - Episode 7 - Aired 5/5/2021

The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.

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Gravitational Waves Revealed
star
7.39
33 votes

#9 - Gravitational Waves Revealed

Season 9 - Episode 10 - Aired 5/26/2021

Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe's greatest mysteries.

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Aliens of the Microcosmos
star
7.28
39 votes

#10 - Aliens of the Microcosmos

Season 9 - Episode 4 - Aired 4/14/2021

New discoveries reveal the power of microscopic alien organisms.

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Birth of Monster Black Holes
star
7.00
36 votes

#11 - Birth of Monster Black Holes

Season 9 - Episode 9 - Aired 5/19/2021

New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.

Watch Now:AmazonApple TV