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Anime series

The Holy Grail of Eris

Latest episode

S1 E12 · The Final Chapter: At the Grand Merillian

About The Holy Grail of Eris

The Holy Grail of Eris is a mystery and sci-fi & fantasy anime series that premiered on TBS on January 8, 2026. It has 1 season and 12 episodes so far and has ended. The latest episode, Season 1 Episode 12 "The Final Chapter: At the Grand Merillian", aired on March 26, 2026.

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.

  • Mystery
  • Sci-Fi & Fantasy
  • Animation

Last updated

Episodes

12 episodes · 1 season

Season 1

2026 · 12 episodes · Last episode: 7 months ago

The Holy Grail of Eris Season 1 release dates →
  1. The Holy Grail of Eris S1 E12 still E12

    12. The Final Chapter: At the Grand Merillian

    Finale

    As the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.

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    11. Those Who Defy Fate

    Constance is jailed on her own testimony and given a sentence of death.

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    10. For the Future

    Constance, Scarlett, and Randolph pursue the kidnapped Ulysses and stumble into a shootout.

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    9. The Holy Grail of Eris

    Scarlett possesses Constance to confront her own father.

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    8. Lily Orlamunde

    Constance, Scarlett, and Randolph discover a letter that reveals Lily's struggle and the truth she uncovered.

  6. The Holy Grail of Eris S1 E7 still E7

    7. A Banquet of Insectivorous Plants

    Daeg Gallus contrives to murder Aisha before she can reveal the truth and cast suspicion on Abigail.

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    6. The Command of the Goddess

    Both Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.

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    5. And the Cock Crows to Herald the Dawn

    Constance's carriage suffers a shocking attack and an even more shocking rescue.

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    4. The Silent Ladies' Tea Party

    Constance receives a summons from an investigative committee determined to put her on trial.

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    3. Respective Answers and Beginnings

    Constance and Scarlett follow a tip to a masked ball with a sinister reputation.

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    2. An Extraordinary Villainess and an Ordinary Girl

    The ghostly Scarlett demands that Constance repay her help by avenging her death.

  12. The Holy Grail of Eris S1 E1 still E1

    1. At the Grand Merillian

    Constance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.

The Holy Grail of Eris FAQ

Will there be new episodes of The Holy Grail of Eris?

The Holy Grail of Eris has ended, so no new episodes are scheduled. The final episode aired on March 26, 2026.

When did the latest episode of The Holy Grail of Eris come out?

The most recent episode of The Holy Grail of Eris, Season 1 Episode 12 "The Final Chapter: At the Grand Merillian", aired on March 26, 2026.

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

The Holy Grail of Eris has 1 season with 12 episodes in total.

When did The Holy Grail of Eris first air?

The Holy Grail of Eris first aired on TBS on January 8, 2026.

How do I get notified when new episodes of The Holy Grail of Eris are released?

Download the Streambay app, follow The Holy Grail of Eris, and you'll get a push notification the moment each new episode is released.

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