E1Episode 1
Where to watch
Not available in United States
Streaming in 1 other country
The Diamond Sleeping in the Sea isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.
Seasons & Episodes
E1
E2Episode 2
E3Episode 3
E4Episode 4
E5Episode 5
E6Episode 6
E7Episode 7
E8Episode 8
E9Episode 9
E10Episode 10
Cast · Directed by Ayuko Tsukahara
More from Ryunosuke Kamiki · Lead actor
More from Takumi Saitoh · Co-star actor
Kingdom 5: The Clash of Souls
2026 · 8.5
Shin Godzilla
2016 · 7.2
SPEC ~ First Blood
2010 · 8.5
Princess Go
2011 · 8.3
Secret × Warrior Phantomirage!
2019 · 8.2
My Husband is a Cartoonist
2010 · 8.5
Bullet Train Explosion
2025 · 6.8
RE:BORN
2016 · 7.1
BG: Personal Bodyguard
2018 · 7.1
Shin Ultraman
2022 · 7.5
See all fromTakumi Saitoh
More from Ayuko Tsukahara · Director
MIU404
2020 · 7.5
La Grande Maison Tokyo
2019 · 8.4
Unnatural
2018 · 8.4
Keitai Deka Zenigata Rai
2006 · 6.5
Why I Dress Up for Love
2021 · 6.5
Meet Me After School
2018 · 7.3
Worst to First: A Teen Baseball Miracle
2023 · 8.1
The Royal Family
2025 · 8.7
Dearest
2021 · 7.1
Testimony of N
2014 · 7.7
See all fromAyuko Tsukahara
More like this
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Neon Genesis Evangelion
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Frieren: Beyond Journey's End
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The Diamond Sleeping in the Sea — streaming FAQ
Which OTT platform streams The Diamond Sleeping in the Sea?
The Diamond Sleeping in the Sea isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is The Diamond Sleeping in the Sea on Netflix?
No, The Diamond Sleeping in the Sea is not on Netflix in United States as of September 2026.
Is The Diamond Sleeping in the Sea on Amazon Prime Video?
No, The Diamond Sleeping in the Sea isn't on Amazon Prime Video in United States right now.
Where can I watch The Diamond Sleeping in the Sea for free?
The Diamond Sleeping in the Sea isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons are in The Diamond Sleeping in the Sea?
The Diamond Sleeping in the Sea has 1 season in total (10 episodes). The series concluded in 2024.
Are all episodes of The Diamond Sleeping in the Sea out yet?
Yes — all 10 episodes across 1 season of The Diamond Sleeping in the Sea are out and available to stream.
Is there a Season 2 of The Diamond Sleeping in the Sea?
No — The Diamond Sleeping in the Sea ended after 1 season, so there is no Season 2.
