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Space's Deepest Secrets
The stories of deep-space explorers who are risking their careers, and even their lives, to lead humanity to worlds yet to be seen.
Season 1
26 Apr 2016 – 27 Aug 2016 · 14 episodes
- 1The Universe's Greatest Hits26 Apr 2016
- 2Hunt for Dark Energy3 May 2016
- 3Death of the Solar System10 May 2016
- 4Alien Oceans17 May 2016
- 5Secret History of the Voyager Mission24 May 2016
- 6The Plot Against Gravity31 May 2016
- 7Attack of the Space Junk7 Jun 2016
- 8Quest for the First Star14 Jun 2016
- 9When the Sun Attacks21 Jun 2016
- 10Inside NASA's Mission to Mars28 Jun 2016
- 11Secret History of the Solar System6 Aug 2016
- 12The Truth Behind Parallel Universes13 Aug 2016
- 13Dark Secret of the Universe20 Aug 2016
- 14Inside a Monster Black Hole27 Aug 2016
Season 2
11 Apr 2017 – 13 Jun 2017 · 10 episodes
- 1NASA's Greatest Moments11 Apr 2017
- 2Strangest Alien Storms18 Apr 2017
- 3Black Holes: The Einstein Prophecy25 Apr 2017
- 4Secret History of Jupiter2 May 2017
- 5Mysteries of Alien Volcanoes9 May 2017
- 6Curse of Dark Matter16 May 2017
- 7Race to Planet 923 May 2017
- 8Rise of the Monster Stars30 May 2017
- 9Stranger Signals from Alien Worlds6 Jun 2017
- 10Secret History of the Big Bang13 Jun 2017
Season 3
22 Aug 2017 – 10 Oct 2017 · 8 episodes
- 1Hunt for the Hidden Cosmos22 Aug 2017
- 2When Meteors Attack29 Aug 2017
- 3Inside the New Space Race5 Sep 2017
- 4Search for Alien Earths12 Sep 2017
- 5Cassini's Grand Finale19 Sep 2017
- 6The Sun's Greatest Mysteries26 Sep 2017
- 7Expedition Extraterrestrial3 Oct 2017
- 8When Black Holes Collide10 Oct 2017
Season 4
15 May 2018 – 13 Oct 2018 · 10 episodes
- 1The Time Travel Enigma15 May 2018
- 2Mission to the Red Planet22 May 2018
- 3Hunt for the Edge of the Universe29 May 2018
- 4Journey to Alien Earths5 Jun 2018
- 5Wrath of the Black Hole12 Jun 2018
- 6New Race to the Moon19 Jun 2018
- 7Mars: The Next Frontier26 Jun 2018
- 8Secret History of the Juno Mission10 Jul 2018
- 9Mystery of the Northern Lights17 Jul 2018
- 10Pluto's Strange Secrets13 Oct 2018
Season 5
15 Oct 2018 – 29 Oct 2018 · 3 episodes
- 1Dark Origins of the Moon15 Oct 2018
- 2Mystery of the Alien Megastructure22 Oct 2018
- 3Journey to Saturn's Rings29 Oct 2018
Season 6
19 Mar 2019 – 28 May 2019 · 11 episodes
- 1Mystery of the Alien Asteroid19 Mar 2019
- 2Secrets of the Seven Earths26 Mar 2019
- 3Alien Hell Storms2 Apr 2019
- 4Finding Alien Moons9 Apr 2019
- 5Dark Secrets of the Solar System16 Apr 2019
- 6Is the Universe a Hologram?23 Apr 2019
- 7Curse of the Comets30 Apr 2019
- 8Hunt for the Missing Black Holes7 May 2019
- 9Wrath of the Sun14 May 2019
- 10Asteroid Apocalypse21 May 2019
- 11Mars's Alien Secrets28 May 2019
Season 7
8 Sep 2020 – 29 Sep 2020 · 4 episodes
- 1Pluto: Back from the Dead8 Sep 2020
- 2Hunt for the Mars Aliens15 Sep 2020
- 3Killing the Milky Way22 Sep 2020
- 4Jupiter: Mystery of the Solar System29 Sep 2020
Season 8
31 Mar 2021 – 12 May 2021 · 7 episodes
- 1Mystery of the Dead Planets31 Mar 2021
- 2Space's Great Wall7 Apr 2021
- 3Curse of the White Holes14 Apr 2021
- 4Bermuda Triangle of Space21 Apr 2021
- 5The Giant Ice Planets28 Apr 2021
- 6Secrets of the Asteroids5 May 2021
- 7Space Force Declassified12 May 2021
Cast
Crew