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Sidonia no Kishi

A thousand years after the alien Gauna destroyed the Earth, a small remnant of humanity still fights on to survive, fleeing on the gargantuan asteroid-based spaceship Sidonia. But centuries of flight and warfare have changed mankind in incredible ways: genetic engineering has allowed humans to photosynthesize like plants, reproduction occurs through cloning, and a third gender has been created to balance the population. Even though it's been a century since the last encounter with the Gauna, military service is mandatory, with all those able enough enlisted to pilot the Garde robots that stand as Sidonia's front line of defense. For Nagate Tanikaze, whose grandfather secretly hid him in the forgotten bowels of the asteroid, it's a strange new world as he's forced to come to the surface and join the ranks of defenders. Yet his recruitment comes just in time, for the Gauna have suddenly reappeared, and what could be man's last battle will require every resource humanity has left. And what no one knows, yet, is that Nagate is not exactly what he seems, and a secret buried in his past may change the fate of all mankind!

Show Info

Network: Japan MBS (2014 - 2015)
Schedule: Saturdays at 01:50 (25 min)
Status: Ended
Language: Japanese
Show Type: Animation
Genres: AdventureAnimeScience-Fiction

Official site:

7.3 (7 votes)

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Previous Episode


Episode 2x12; Jun 27, 2015

Previous Episodes

Episode NameAirdateTrailer
2x12: HomeJun 27, 2015
2x11: CollisionJun 20, 2015
2x10: DecisionsJun 13, 2015
View full episode list »


Extra Details

Also known as:
  • Knights of Sidonia (United States United States)
  • Sidonia no Kishi: Daikyuu Wakusei Seneki (Japan Japan)
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