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.
Where to watch
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HBO Max
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Philo
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Discovery+
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Science Channel
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Plex
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Plex Channel
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Amazon Video
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Apple TV Store
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Google Play Movies
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Fandango At Home
see all options Availability data: JustWatch
- Seasons
- 11
- Episodes aired
- 93
- Latest aired
- S11E05
- Total runtime
- 2d 19h
Timeline when each season aired
- Season 1 April 2010 – May 2010 8 episodes
- the show was away for 2 years and 1 month
- Season 2 July 2012 – August 2012 8 episodes
- the show was away for 1 year and 10 months
- Season 3 July 2014 – September 2014 9 episodes
- Season 4 July 2015 – September 2015 8 episodes
- Season 5 November 2016 – February 2017 9 episodes
- Season 6 January 2018 – March 2018 10 episodes
- Season 7 January 2019 – March 2019 10 episodes
- Season 8 January 2020 – February 2020 9 episodes
- Season 9 March 2021 – June 2021 11 episodes
- Season 10 March 2022 – April 2022 6 episodes
- Season 11 March 2023 – April 2023 5 episodes
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S09E01 Journey to a Black Hole
March 24 · 84min find the promo
Show synopsis
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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S09E02 Mission to a Comet
March 31 · 42min find the promo
Show synopsis
Experts embark on a ground-breaking mission to land on a comet.
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S09E03 Secrets Of The Sun
April 7 · 42min find the promo
Show synopsis
A brand-new NASA mission to the Sun reveals cutting-edge discoveries about Earth's star; as the Parker Solar Probe dives through the Sun's atmosphere, what it finds challenges everything known about this strange place.
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S09E04 Aliens of the Microcosmos
April 14 · 42min find the promo
Show synopsis
New discoveries reveal the power of microscopic alien organisms.
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S09E05 Curse of the White Dwarf
April 21 · 42min find the promo
Show synopsis
Dead stars called white dwarfs may be the key to understanding the cosmos.
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S09E06 War of the Galaxies
April 28 · 42min find the promo
Show synopsis
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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S09E07 The Next Supernova
May 5 · 42min find the promo
Show synopsis
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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S09E08 Secret Lives Of Neutrinos
May 12 · 42min find the promo
Show synopsis
Neutrinos are the most mysterious particles in the universe, and they power some of the most explosive events in the cosmos; new discoveries reveal how these ghosts pass through objects undetected and why they could be the reason humans exist.
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S09E09 Birth of Monster Black Holes
May 19 · 42min find the promo
Show synopsis
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.
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S09E10 Gravitational Waves Revealed
May 26 · 42min find the promo
Show synopsis
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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S09E11 Mystery of Alien Worlds
June 2 · 42min find the promo
Show synopsis
New discoveries reveal the secrets of mysterious alien worlds.