The Holy Grail of Eris
Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.
Where to watch The Holy Grail of Eris in United States
Crunchyroll
Crunchyroll Amazon ChannelClick a service to open The Holy Grail of Eris there. Availability last verified on July 5, 2026.
Where is The Holy Grail of Eris streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Crunchyroll, Crunchyroll Amazon Channel | — |
| India | Crunchyroll, Sony Liv, Crunchyroll Amazon Channel | — |
| United Kingdom | Crunchyroll, Crunchyroll Amazon Channel | — |
| Canada | Crunchyroll Amazon Channel, Crunchyroll | — |
| Australia | Crunchyroll, Crunchyroll Amazon Channel | — |
| Germany | Crunchyroll, Crunchyroll Amazon Channel | — |
| France | Crunchyroll, Crunchyroll Amazon Channel | — |
| Spain | Crunchyroll, Crunchyroll Amazon Channel | — |
| Brazil | Crunchyroll, Crunchyroll Amazon Channel | — |
| Japan | Amazon Prime Video, Hulu, U-NEXT, Anime Times Amazon Channel | Amazon Video |
About The Holy Grail of Eris
The Holy Grail of Eris is a 2026 Japanese-language animation, mystery and sci-fi & fantasy series. The cast is led by Kana Ichinose, Sayumi Suzushiro, Yohei Azakami. It spans 1 season and 12 episodes and has concluded. In United States, it is currently streaming on Crunchyroll, Crunchyroll Amazon Channel.
The Holy Grail of Eris was produced by Ashi Productions, Good Smile Film, and Hakuhodo DY Music & Pictures and made in Japan. It was first aired on January 8, 2026, and carries a TV-14 certification.
- First aired
- January 8, 2026
- Last aired
- March 26, 2026
- Original language
- Japanese
- Age rating
- TV-14
- Status
- Ended
- Seasons
- 1 (12 episodes)
- Network
- MBS, TBS
- Country
- Japan
- Production
- Ashi Productions, Good Smile Film, Hakuhodo DY Music & Pictures
The Holy Grail of Eris cast & crew
The cast features Kana Ichinose as Constance Grail (voice), Sayumi Suzushiro as Scarlett Castiel (voice), Yohei Azakami as Randolph Ulster (voices), Mao Ichimichi as Lily Orlamunde (voice), Maaya Uchida as Cecilia Adelbide (voice), and Natsuki Hanae as Enrique Adelbide (voice).
Behind the camera, the score was composed by Yoshiaki Dewa, cinematography is by Yuko Kamahara, and it was produced by Seiji Miyazaki and Satoshi Fukao.
Is The Holy Grail of Eris worth watching?
With 1 season and 12 episodes, it's a quick, bingeable run.
If you enjoy animation, mystery, and sci-fi & fantasy, The Holy Grail of Eris is worth a place on your watchlist.
How and where to watch The Holy Grail of Eris
In United States, you can stream The Holy Grail of Eris on Crunchyroll and Crunchyroll Amazon Channel. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of The Holy Grail of Eris
Kana Ichinose
Constance Grail (voice)
Sayumi Suzushiro
Scarlett Castiel (voice)
Yohei Azakami
Randolph Ulster (voices)
Mao Ichimichi
Lily Orlamunde (voice)
Maaya Uchida
Cecilia Adelbide (voice)
Natsuki Hanae
Enrique Adelbide (voice)
Jun Fukuyama
Dominic Harmsworth (voice)
The Holy Grail of Eris — FAQs
▸Where can I watch The Holy Grail of Eris in United States?
The Holy Grail of Eris is streaming on Crunchyroll, Crunchyroll Amazon Channel in United States.
▸Is The Holy Grail of Eris on Crunchyroll?
Yes — The Holy Grail of Eris is currently available on Crunchyroll in United States.
▸What language is The Holy Grail of Eris in?
The Holy Grail of Eris is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How many seasons of The Holy Grail of Eris are there?
The Holy Grail of Eris has 1 season with 12 episodes in total.
▸What is The Holy Grail of Eris rated?
The Holy Grail of Eris is rated TV-14. It holds a 7.3/10 audience score from 20 ratings.
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