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.
Knights of Sidonia explores themes of space battle, space travel, post-apocalyptic future. A blend of Action & Adventure and Animation, all seasons are available to stream for free on Ernax — no account required.
Genre: Action & Adventure, Animation, Sci-Fi & Fantasy
Seasons: 2 · 24 episodes
Status: Ended
Network: MBS, TBS
Cast: Ryota Osaka, Sayaka Ohara, Takahiro Sakurai, Aki Toyosaki, Tomohiro Tsuboi, Hisako Kanemoto, Satomi Arai, Eri Kitamura, Atsuko Tanaka, Kohsuke Toriumi
Rating: 7.6/10 (147 votes)
Themes: space battle, space travel, post-apocalyptic future, space, alien, mecha, piloted robot, based on manga
Stream all seasons of Knights of Sidonia online free in HD on Ernax. No subscription or sign-up required. Watch Knights of Sidonia free without Netflix, Amazon Prime, or any paid service.