Highlights
The Holy Grail of Eris

The Holy Grail of Eris (2026) - Where to Watch

Audience Score
90

Ready to start streamingThe Holy Grail of Eris on your TV, phone, or tablet? Searching for a streaming platform to buy, rent, download, or binge the animation TV series via subscription can be difficult, so we here at Moviefone want to simplify it for you.

Read on for a complete listing of streaming and cable services — including rental, purchase, and subscription options — along with current availability for "The Holy Grail of Eris" on each platform. Now, before we dive into all the streaming info how you can watch "The Holy Grail of Eris" right now, here are a few helpful facts about the CBC series.

Originally premiering January 8th, 2026, "The Holy Grail of Eris" stars Kana Ichinose, Sayumi Suzushiro, Yohei Azakami, Mao Ichimichi. The show spans 1 season(s) and currently holds a 90/100 rating on TMDb, which reflects reviews from 3 verified users.

Need a quick overview of the show? Here’s the plot: "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."

"The Holy Grail of Eris" is currently available to stream via subscription, rental, or purchase on in the US.