Knights of Sidonia
シドニアの騎士
We checked 8 streaming services in India on 04 Jun 2026 at 09:32 IST
About
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.
Cast
Ryota Osaka
as Nagate Tanikaze (voice)
Sayaka Ohara
as Captain Kobayashi (voice)
Takahiro Sakurai
as Norio Kunato (voice)
Aki Toyosaki
as Izana Shinatose (voice)
Tomohiro Tsuboi
as Ichirou Seii (voice)
Hisako Kanemoto
as Yuhata Midorikawa (voice)
Satomi Arai
as Lala Hiyama (voice)
Eri Kitamura
as Honoka Clones (voice)
Atsuko Tanaka
as Ittan Samari (voice)
Kohsuke Toriumi
as Kouichi Tsuruuchi (voice)
Episodes
Season 1
Commencement
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.
Oblivion
Nagate is haunted by his first combat experience against the Gauna. Later, he meets the elite pilots of Sidonia.
Glory
Exploring Sidonia, Nagate makes an enemy of Kunato while protecting a friend. The Gauna attack, calling the pilots into action.
Sacrifices
After a disaster aboard Sidonia, Nagate and his team are ordered to retrieve a valued weapon. He later defies orders to save a friend.
Adrift
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.
Salutations
Nagate and his squad graduate as pilots and are quickly sent into combat when the enemy returns; Kunato explores Nagate's history.
Resolve
The enemy is revealed to be even larger and deadlier than previously believed, resulting in three squads engaging in a deadly fight.
Immortality
Nagate is blamed for a defeat and harbors guilt over a casualty; the early years of Sidonia are revealed.
Where does Knights of Sidonia rank today?
Knights of Sidonia is #997 on the CineFlixo Daily Streaming Charts today.
- Highest: #997
- Top 10: 0 days
- Top 100: 0 days
Watch Knights of Sidonia Online Free — All Episodes in HD
Looking for a place to watch Knights of Sidonia online for free? You've landed on the right page. Knights of Sidonia is a well-rated Japonés action & adventure, animation, and sci-fi & fantasy series from 2014 that you can stream right now on CineFlixo in high quality, no signup required.
About Knights of Sidonia
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. Across 2 seasons and 24 episodes, originally airing on MBS.
Knights of Sidonia Cast and Characters
The cast features Ryota Osaka (as Nagate Tanikaze (voice)), Sayaka Ohara (as Captain Kobayashi (voice)), Takahiro Sakurai (as Norio Kunato (voice)), Aki Toyosaki (as Izana Shinatose (voice)), and Tomohiro Tsuboi (as Ichirou Seii (voice)). Their performances are a major reason Knights of Sidonia has built such a passionate audience.
Where to Watch Knights of Sidonia Online
CineFlixo lets you stream Knights of Sidonia online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch Knights of Sidonia NowWhy People Are Watching Knights of Sidonia
There's a reason Knights of Sidonia keeps showing up on "must-watch" lists. What makes it work is action sequences that don't feel cheap and world-building that respects the audience's intelligence. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Knights of Sidonia
Where can I watch Knights of Sidonia online for free?
You can watch Knights of Sidonia online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Knights of Sidonia have?
Knights of Sidonia has 24 episodes across 2 seasons. All episodes are available to stream right here on CineFlixo.
Is Knights of Sidonia good? What's the rating?
Knights of Sidonia holds a 7.7/10 rating based on 139 reviews — well above average.
Who is in the cast of Knights of Sidonia?
The main cast includes Ryota Osaka, Sayaka Ohara, Takahiro Sakurai, and Aki Toyosaki, plus a strong supporting ensemble.
Is Knights of Sidonia available in Japonés?
Yes — Knights of Sidonia was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Knights of Sidonia released?
Knights of Sidonia first aired in 2014.
Do I need an account to watch Knights of Sidonia on CineFlixo?
No. CineFlixo is free and you can watch Knights of Sidonia without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Where can I watch Knights of Sidonia for free?
You can watch Knights of Sidonia online for free on CineFlixo. All 24 episodes across 2 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Knights of Sidonia have?
Knights of Sidonia currently has 2 seasons and a total of 24 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Knights of Sidonia about?
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… It belongs to the Action & Adventure, Animation, Sci-Fi & Fantasy genres.
In which language is Knights of Sidonia originally available?
Knights of Sidonia was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Knights of Sidonia first released?
Knights of Sidonia first premiered on April 11, 2014 (2014). The series has since concluded its run.
All Seasons
Browse every season of Knights of Sidonia — 2 seasons in total
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