Episode 1
Conflict
24m7.4 / 10
Pilot Nagate Tanikaze is now renowned for his actions in the recent battle, but Nagate is more concerned with the disappearance of the ena Hoshijiro.
Episode credits
Guest stars Nanako Mori
TV series
Knights of Sidonia
2014TV-142 seasons7.7 / 10
An alien race called Gauna has destroyed Earth. leaving humanity struggling to survive aboard the spaceship Sidonia. Even though it’s been a century since the last encounter with the Gauna, military service is mandatory. For Nagate Tanikaze, whose grandfather secretly hid him in the forgotten bowels of Sidonia, it’s a strange new world as he’s forced to come to the surface. Yet his recruitment comes just in time, for the Gauna have suddenly reappeared.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Knights of Sidonia is available to stream on Crunchyroll Premium (Via Amazon Prime) in United States. Use the direct links below to open the provider.
Synopsis
An alien race called Gauna has destroyed Earth. leaving humanity struggling to survive aboard the spaceship Sidonia. Even though it’s been a century since the last encounter with the Gauna, military service is mandatory. For Nagate Tanikaze, whose grandfather secretly hid him in the forgotten bowels of Sidonia, it’s a strange new world as he’s forced to come to the surface. Yet his recruitment comes just in time, for the Gauna have suddenly reappeared.
Season 2 episodes
Choose an episode, then use the watch options above for the show.
Where to watch Knights of Sidonia
Episode 2
Ability
24m7.3 / 10
Nagate and his team fight a hard battle against Gauna 549, aided by the appearance of a new type of gauna calling itself Tsumugi Shiraui.
Episode credits
Guest stars Nobuaki Kanemitsu, Shigeo Kiyama, Yuichi Ishigami, Miho Miyagawa
Episode 3
Course
24m7.2 / 10
Having disposed of the opposition, Kobayashi sets Sidonia's course to the ninth planet in the nearby Lem System. All-out war now seems unavoidable.
Episode credits
Guest stars Yuichi Ishigami, Ai Kakuma, Azusa Sato, Nanako Mori
Episode 4
Rage
24m7.3 / 10
A new threat appears in the form of Gauna 550, which has ejected countless lesser gauna cores on an intercept trajectory with Sidonia.
Episode credits
Guest stars Yukiyo Fujii, Ai Kakuma, Azusa Sato, Ayane Sakura, Miho Miyagawa
Episode 5
Hope
24m7.0 / 10
Despite being instrumental in their victory, Tsumugi is severely damaged defending Sidonia. Izana, also critically injured, makes a bold decision.
Episode credits
Guest stars Azusa Sato, Miho Miyagawa, Nanako Mori
Episode 6
Engage
24m7.1 / 10
Evicted from his dorm and with nowhere to go, Nagate asks to stay with Izana for a night; Tsumugi has an emotional crisis triggered by a close call.
Episode credits
Guest stars Ai Kakuma, Tsutomu Nihei, Yuka Iguchi, Miho Miyagawa, Nanako Mori, Kouji Fujiyoshi
Episode 7
Rumbling
24m7.2 / 10
The Sidonia's new weapon test succeeds, but the crew realizes they can't shut it down; Yuhata sends the garde pilots to investigate the disturbance.
Episode credits
Guest stars Azusa Sato, Ayane Sakura, Kouji Fujiyoshi, Miho Miyagawa, Nanako Mori, Yuma Uchida
Episode 8
Reunion
24m6.9 / 10
The pilots and Tsumugi repair damage to the Sidonia following the Gravitational Beam Emitter incident; Tsumugi is upset for causing a minor accident.
Episode credits
Guest stars Sayaka Ohara, Kouji Fujiyoshi, Takahiro Sakurai
Episode 9
Mission
24m7.0 / 10
Izana finds out her 'date' with Nagate was a setup and storms home. Soon after, she is called to be part of a team that will scout out Planet Nine.
Episode credits
Guest stars Miho Miyagawa, Yuma Uchida, Kouji Fujiyoshi
Episode 10
Entry
24m7.2 / 10
The reconnaissance team is attacked by the gauna; Izana and the squad leader manage to escape into the atmosphere of Planet Nine.
Episode credits
Guest stars Kengo Kawanishi, Yuma Uchida, Kouji Fujiyoshi
Episode 11
Encounter
24m7.4 / 10
Izana and the recon squad leader are pursued by an enormous humanoid gauna. Meanwhile, Tsumugi faces off against the Crimson Hawk Moth.
Episode credits
Guest stars Aya Suzaki, Kouji Fujiyoshi, Kouji Fujiyoshi
Episode 12
Battle
24m7.5 / 10finale
Nagate rescues Tsumugi but is overpowered by the Crimson Hawk Moth. The situation looks grim as swarms of gauna bear down on the survivors.
Episode credits
Guest stars Kouji Fujiyoshi, Rikiya Koyama, Shou Okumura, Yuichi Ishigami
Episode information updated Jul 23, 2026
More about Knights of Sidonia
Cast
Ryota OsakaNagate Tanikaze (voice)
Aki ToyosakiIzana Shinatose (voice)
Tomohiro TsuboiIchirou Seii (voice)
Hisako KanemotoYuhata Midorikawa (voice)
Satomi AraiLala Hiyama (voice)
Eri KitamuraHonoka Clones (voice)
Atsuko TanakaIttan Samari (voice)
Kohsuke ToriumiKouichi Tsuruuchi (voice)Credits
- Written by
- Sadayuki Murai, Shigeru Murakoshi, Tetsuya Yamada
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 24
- Original language
- Japanese
- Original title
- シドニアの騎士
Networks & production
MBSJapan
TBSJapan
Polygon PicturesJapan
Themes
alienanimebased on mangamechamilitarypiloted robotpost-apocalyptic futurespace
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