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Series · Ended

The Holy Grail of Eris

7.420261 seasonAnimationMysterySci-Fi & Fantasy
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The Holy Grail of Eris is a 2026 animation and mystery series. It has 1 season and 12 episodes listed on TMDB, and its status is “Ended”. Age rating: TV-14 in the United Kingdom.

In the United Kingdom it is listed on Crunchyroll Amazon Channel.

TV-14 age rating1 seasonAnimationMystery

Rated TV-14 in the United Kingdom — suitable for older children and teenagers; parental guidance recommended.

All key facts8
Format
TV series
First aired
2026-01-08
Seasons
1
Episodes
12
Genres
Animation, Mystery, Sci-Fi & Fantasy
Original language
Japanese
Status
Ended
TMDB rating
7.4 / 10 · 24 votes

Facts come from TMDB and are refreshed automatically. Availability is per country and changes weekly — the United Kingdom row is what you see by default.

Availability

Where to watch in the United Kingdom

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Crunchyroll Amazon Channel

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Every service carrying this title in the United Kingdom (opens the JustWatch list in a new tab)

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Synopsis

Series overview

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.

Cast

7 names
Kana IchinoseConstance Grail (voice)
Sayumi SuzushiroScarlett Castiel (voice)
Yohei AzakamiRandolph Ulster (voices)
Mao IchimichiLily Orlamunde (voice)
Maaya UchidaCecilia Adelbide (voice)
Natsuki HanaeEnrique Adelbide (voice)
Jun FukuyamaDominic Harmsworth (voice)

Seasons and episodes

12 episodes
01 · At the Grand Merillian2026-01-08 · 23 min Watch02 · An Extraordinary Villainess and an Ordinary Girl2026-01-15 · 23 min Watch03 · Respective Answers and Beginnings2026-01-22 · 23 min Watch04 · The Silent Ladies' Tea Party2026-01-29 · 23 min Watch05 · And the Cock Crows to Herald the Dawn2026-02-05 · 23 min Watch06 · The Command of the Goddess2026-02-12 · 23 min Watch07 · A Banquet of Insectivorous Plants2026-02-19 · 24 min Watch08 · Lily Orlamunde2026-02-26 · 23 min Watch09 · The Holy Grail of Eris2026-03-05 · 23 min Watch10 · For the Future2026-03-12 · 23 min Watch11 · Those Who Defy Fate2026-03-19 · 23 min Watch12 · The Final Chapter: At the Grand Merillian2026-03-26 · 23 min Watch

Questions about The Holy Grail of Eris

Quick answers
Where can I watch The Holy Grail of Eris in the United Kingdom?

In the United Kingdom, The Holy Grail of Eris is listed on Crunchyroll Amazon Channel. Use the country selector above the facts to see another market — streaming rights differ by country.

Is The Holy Grail of Eris suitable for children?

The Holy Grail of Eris is rated TV-14 in the United Kingdom. That rating covers the themes and content levels set by the local classifier, so use it together with your own judgement for younger viewers.

Is The Holy Grail of Eris on PelisPlus UK?

The Holy Grail of Eris has a full discovery page on PelisPlus UK with its synopsis, cast, ratings, seasons and episode guide. PelisPlus UK does not host video files; playback opens the third-party player sources configured by the site operator.

What is The Holy Grail of Eris about?

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…

How many seasons of The Holy Grail of Eris are there?

The Holy Grail of Eris has 1 season and 12 episodes listed on TMDB. Use the season tabs to see every episode.

Can I watch the The Holy Grail of Eris trailer?

Yes. Press Watch trailer to play Official Trailer [Subtitled] without leaving this page. The trailer is embedded from YouTube.

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