CCineGlow Online
The Holy Grail of Eris poster

TV SERIES

The Holy Grail of Eris

2026 · 1 season · Animation · Mystery · Sci-Fi & 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.

▶ Watch TrailerFind Similar Picks

NOW PLAYING

Official trailer

Where to watch in the United States

IncludedCrunchyroll · Crunchyroll Amazon Channel

Top cast

Kana Ichinose portraitKana IchinoseConstance Grail (voice)Sayumi Suzushiro portraitSayumi SuzushiroScarlett Castiel (voice)Yohei Azakami portraitYohei AzakamiRandolph Ulster (voices)Mao Ichimichi portraitMao IchimichiLily Orlamunde (voice)Maaya Uchida portraitMaaya UchidaCecilia Adelbide (voice)Natsuki Hanae portraitNatsuki HanaeEnrique Adelbide (voice)Jun Fukuyama portraitJun FukuyamaDominic Harmsworth (voice)

EPISODE GUIDE

Seasons

The Holy Grail of Eris Season 1 poster
Season 112 episodes · 2026

KEEP DISCOVERING

More like The Holy Grail of Eris

Slayers posterSlayers1995Black Clover posterBlack Clover2017Occultic;Nine posterOccultic;Nine2016MAO posterMAO2026The Most Notorious "Talker" Runs the World's Greatest Clan posterThe Most Notorious "Talker" Runs the World's Greatest Clan2024An Observation Log of My Fiancée Who Calls Herself a Villainess posterAn Observation Log of My Fiancée Who Calls Herself a Villainess2026Pass the Monster Meat, Milady! posterPass the Monster Meat, Milady!2025Rozen Maiden posterRozen Maiden2004Easygoing Territory Defense by the Optimistic Lord posterEasygoing Territory Defense by the Optimistic Lord2026Gankutsuou posterGankutsuou2004The Dark History of the Reincarnated Villainess posterThe Dark History of the Reincarnated Villainess2025As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World posterAs a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World2024