Quick Answer
The Holy Grail of Eris is streaming on Crunchyroll, Aniplus Asia, Aniplus TV, Bahamut Anime Crazy, Bilibili Global. 12 episodes (~5h total watch time). Availability may vary by region.
Where to Watch The Holy Grail of Eris
The Holy Grail of Eris is currently on Crunchyroll, Aniplus Asia, Aniplus TV, Bahamut Anime Crazy, Bilibili Global. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
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About The Holy Grail of Eris
Constance Grail is the only child of the renowned Grail family, whose motto is "Be you sincere," and at 16, she is the living embodiment of this motto. Constance becomes engaged to help her father pay off his debts, although she had always hoped to marry for love. Nevertheless, she resolves to go through with the marriage for the good of the family. During a ball hosted by a fellow noble, Constance meets a mysterious, alluring woman hovering at the edges of the room. She encourages the woman...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch The Holy Grail of Eris legally?
Right now, The Holy Grail of Eris is on Crunchyroll, Aniplus Asia, Aniplus TV, Bahamut Anime Crazy, Bilibili Global. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is The Holy Grail of Eris on Netflix or Crunchyroll?
It's confirmed on Crunchyroll. Netflix availability depends on your region — some countries have it, others don't.
Is The Holy Grail of Eris available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for The Holy Grail of Eris.
Can I watch The Holy Grail of Eris for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.