The Holy Grail of Eris poster

The Holy Grail of Eris (2026)

Animation · Drama · Fantasy

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.

IMDb rating
6.7 (280 votes)
Seasons
1
Streaming (US)
Crunchyroll
Language
JA
Type
TV series

Ratings refreshed Jul 3, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2026)

8.56 avg 12 episodes 8.1 → 9.0

Ep 1: 8.1 · 53 votesEp 2: 8.2 · 42 votesEp 3: 8.2 · 37 votesEp 4: 8.6 · 32 votesEp 5: 8.8 · 30 votesEp 6: 8.6 · 27 votesEp 7: 8.5 · 25 votesEp 8: 8.9 · 26 votesEp 9: 8.7 · 28 votesEp 10: 8.2 · 24 votesEp 11: 8.9 · 24 votesEp 12: 9.0 · 28 votes
Season 1 episodes — IMDb ratings
#TitleRatingVotes
1At the Grand Merillian8.153
2An Extraordinary Villainess and an Ordinary Girl8.242
3Respective Answers and Beginnings8.237
4The Silent Ladies' Tea Party8.632
5And the Cock Crows to Herald the Dawn8.830
6The Command of the Goddess8.627
7A Banquet of Insectivorous Plants8.525
8Lily Orlamunde8.926
9The Holy Grail of Eris8.728
10For the Future8.224
11Those Who Defy Fate8.924
12The Final Chapter: At the Grand Merillian9.028