Rakuten Viki
E1Episode 1
Where to watch
Seasons & Episodes
E1
E2Episode 2
E3Episode 3
E4Episode 4
E5Episode 5
E6Episode 6
E7Episode 7
E8Episode 8
E9Episode 9
Cast · Directed by Toichiro Ruto
Mitsuki Takahata
Kokoro Yamihara
Kei Tanaka
Toramatsu Asada
Keita Machida
Keisuke Kagami
Kumiko Aso
Iori Yamihara
Kotaro Yoshida
Kaizo Yamihara
Shinya Kote
Yukio Yoyozuka
First Summer Uika
Matsuri Igarashi
Yuki Inoue
Ren Yamihara
Ryosuke Sota
Daigoro Igarashi
Seiya Osada
Seiya Niwatsuki
Shinya Niiro
Hajime Minamijuji
Yoshi Sakō
Genji Niwatsuki
More like this
Unknown — streaming FAQ
Which OTT platform streams Unknown?
Unknown is streaming on Rakuten Viki in United States. It's not currently on Netflix.
Is Unknown on Netflix?
No, Unknown is not on Netflix in United States as of August 2026. It's currently on Rakuten Viki.
Is Unknown on Amazon Prime Video?
No, Unknown isn't on Amazon Prime Video in United States right now. It's on Rakuten Viki instead.
Where can I watch Unknown for free?
Unknown is available on Rakuten Viki in United States, but you'll need an active subscription — there's no free option right now.
How many seasons are in Unknown?
Unknown has 1 season in total (9 episodes). The series concluded in 2023.
Are all episodes of Unknown out yet?
Yes — all 9 episodes across 1 season of Unknown are out and available to stream.
Is there a Season 2 of Unknown?
No — Unknown ended after 1 season, so there is no Season 2.