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Series

Knights of Sidonia

201424m7.7 / 102 seasons

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.

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Available in US

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Season guide

Knights of Sidonia

12 episodes available

Episode 1: Commencement

24m

In isolation his entire life, Nagate must adjust to life in a centuries-old space colony while training as a cadet pilot to fight an ancient threat.

Episode 2: Oblivion

24m

Nagate is haunted by his first combat experience against the Gauna. Later, he meets the elite pilots of Sidonia.

Episode 3: Glory

24m

Exploring Sidonia, Nagate makes an enemy of Kunato while protecting a friend. The Gauna attack, calling the pilots into action.

Episode 4: Sacrifices

24m

After a disaster aboard Sidonia, Nagate and his team are ordered to retrieve a valued weapon. He later defies orders to save a friend.

On screen

Cast & Characters

Ryota Osaka

Nagate Tanikaze (voice)

Sayaka Ohara

Captain Kobayashi (voice)

Takahiro Sakurai

Norio Kunato (voice)

Aki Toyosaki

Izana Shinatose (voice)

Tomohiro Tsuboi

Ichirou Seii (voice)

Hisako Kanemoto

Yuhata Midorikawa (voice)

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Episode 5: Adrift

24m

Nagate and Shizuka, adrift in space, slowly run out of supplies as they await rescue from a departing Sidonia, which is too far away to send help.

Episode 6: Salutations

24m

Nagate and his squad graduate as pilots and are quickly sent into combat when the enemy returns; Kunato explores Nagate's history.

Episode 7: Resolve

24m

The enemy is revealed to be even larger and deadlier than previously believed, resulting in three squads engaging in a deadly fight.

Episode 8: Immortality

24m

Nagate is blamed for a defeat and harbors guilt over a casualty; the early years of Sidonia are revealed.

Episode 9: Empathy

24m

The Gauna find a distressing way to demoralize and out-fight the attack force. Nagate returns to Sidonia with a prize that may help in the fight.

Episode 10: Decisions

24m

Pacifists endanger themselves by leaving the relative safety of Sidonia, while the enemy shows up larger and fiercer than before.

Episode 11: Collision

24m

A large strike force encounters an enemy unit that takes them by surprise; Nagate does what he can to protect his friends.

Episode 12: Home

24m

Nagate fights one-on-one with the heart of his enemy while the strike force does not fare well in its attack on the Gauna.

Satomi Arai

Lala Hiyama (voice)

Eri Kitamura

Honoka Clones (voice)

Atsuko Tanaka

Ittan Samari (voice)

Kohsuke Toriumi

Kouichi Tsuruuchi (voice)