The Holy Grail of Eris
6.7
Season 1
24 min
S1 · E1 · Jan 8, 2026
At the Grand Merillian Episode 1
24 min
S1 · E2 · Jan 15, 2026
An Extraordinary Villainess and an Ordinary Girl Episode 2
24 min
S1 · E3 · Jan 22, 2026
Respective Answers and Beginnings Episode 3
24 min
S1 · E4 · Jan 29, 2026
The Silent Ladies' Tea Party Episode 4
24 min
S1 · E5 · Feb 5, 2026
And the Cock Crows to Herald the Dawn Episode 5
24 min
S1 · E6 · Feb 12, 2026
The Command of the Goddess Episode 6
24 min
S1 · E7 · Feb 19, 2026
A Banquet of Insectivorous Plants Episode 7
24 min
S1 · E8 · Feb 26, 2026
Lily Orlamunde Episode 8
24 min
S1 · E9 · Mar 5, 2026
The Holy Grail of Eris Episode 9
24 min
S1 · E10 · Mar 12, 2026
For the Future Episode 10
24 min
S1 · E11 · Mar 19, 2026
Those Who Defy Fate Episode 11
24 min
S1 · E12 · Mar 26, 2026
The Final Chapter: At the Grand Merillian Episode 12
12 episodes in Season 1
Some details come from TheTVDB.
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.
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Cast
7 people
Kana Ichinose
Constance Grail (voice)
Known for
DARLING in the FRANXX
Dr. STONE
Sayumi Suzushiro
Scarlett Castiel (voice)
Known for
The Misfit of Demon King Academy
Kaguya-sama: Love Is War
Yohei Azakami
Randolph Ulster (voices)
Known for
Classroom of the Elite
Godzilla Singular Point
Mao Ichimichi
Lily Orlamunde (voice)
Known for
Horimiya
That Time I Got Reincarnated as a Slime
Maaya Uchida
Cecilia Adelbide (voice)
Known for
Rascal Does Not Dream of Bunny Girl Senpai
The Promised Neverland
Natsuki Hanae
Enrique Adelbide (voice)
Known for
Demon Slayer: Kimetsu no Yaiba
Dragon Ball Super
Jun Fukuyama
Dominic Harmsworth (voice)
Known for
The Seven Deadly Sins
Black Clover
Morita to Jumpei Director · Kenichi Yamashita Writer Seiji Miyazaki Executive producer
Total runtime 4h 48m · Episode length 24 min · Country Japan
Show info
Premiered
January 8, 2026
Final episode
March 26, 2026
Status
Ended
Networks
MBS · TBS · CBC +25
Country
Japan
Type
Scripted
Episode length
24 min
Total runtime
4h 48m
Original language
Japanese
Production
Ashi Productions
Production
Good Smile Film
Production
Hakuhodo DY Music & Pictures
Production
Drecom
Production
TBS
Production
LDH JAPAN
Production
BS11
Production
TEICHIKU ENTERTAINMENT
Production
Medicos Entertainment
Production
NewGin
Production
THE KLOCKWORX
Production
Square Enix
Production
Bushiroad Move
Production
DRE Pictures
Production
Asahi Production
Studio
Japan
Produced in
Languages
Original title
エリスの聖杯
Spoken on screen
Japanese
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Some details come from TheTVDB.