Knights of Sidonia
シドニアの騎士
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.
Ratings
Based on audience scoresWhere to stream Knights of Sidonia
Streaming now in the United States on Crunchyroll.
Trailer
Knights of Sidonia English Trailer: You're Not Alone
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Frequently asked questions about Knights of Sidonia
Where can I watch Knights of Sidonia in the United States?
Knights of Sidonia is available to stream on Crunchyroll in the United States. Streaming availability is provided by JustWatch and can change over time.
Can I watch Knights of Sidonia for free?
Not free in the United States right now. Knights of Sidonia needs a subscription to Crunchyroll.
What are the ratings for Knights of Sidonia?
Knights of Sidonia scores 7.7 on The Movie Database.
Who stars in Knights of Sidonia?
Knights of Sidonia stars Ryota Osaka, Sayaka Ohara, Takahiro Sakurai, Aki Toyosaki, and Tomohiro Tsuboi.
How many seasons of Knights of Sidonia are there?
Knights of Sidonia has 2 seasons and 24 episodes, and is ended.
How long does it take to watch all of Knights of Sidonia?
All 24 episodes of Knights of Sidonia add up to about 9 hours 36 minutes at roughly 24 minutes each. At two hours a night that is about 5 evenings; at four hours a day it takes about 2 days.
What network is Knights of Sidonia on?
Knights of Sidonia airs on MBS and TBS, and is produced by Polygon Pictures.
What language is Knights of Sidonia in?
Knights of Sidonia is in Japanese, and its original title is シドニアの騎士.
Ratings and streaming availability are aggregated from third-party sources; metadata from The Movie Database (TMDB), streaming data from JustWatch. This product uses the TMDB API but is not endorsed or certified by TMDB. Streaming availability checked September 2026.