E1Episode 1
Where to watch
Not streaming yet
Coming soon
No streaming availability found for O' anywhere yet.
Seasons & Episodes
E1
E2Episode 2
E3Episode 3
E4Episode 4
E5Episode 5
E6Episode 6
E7Episode 7
E8Episode 8
E9Episode 9
E10Episode 10
E11Episode 11
E12Episode 12
Cast
More like this
O' — streaming FAQ
Which OTT platform streams O'?
O' isn't streaming anywhere in Japan yet.
Is O' on Netflix?
No, O' is not on Netflix in Japan as of August 2026.
Is O' on Amazon Prime Video?
No, O' isn't on Amazon Prime Video in Japan right now.
Where can I watch O' for free?
O' isn't streaming in Japan yet, so there's no way to watch it free at the moment.
How many seasons are in O'?
O' has 8 seasons in total (174 episodes). The series concluded in 2019.
Are all episodes of O' out yet?
Yes — all 174 episodes across 8 seasons of O' are out and available to stream.
Is there a Season 9 of O'?
No — O' ended after 8 seasons, so there is no Season 9.