GKIDS brings the inventive, genre-defying mermaid romance, seven years in the making, to North American Blu-ray, with the film already streaming on digital.
STUDIO4°C has long been one of animation’s most fearless studios, and ChaO sounds like a quintessential entry in that tradition: weird, gorgeous, and bursting at the seams with heart. GKIDS, the Academy Award-winning distributor of artist-driven animation, is bringing the critically heralded feature to North American audiences on Blu-ray for the first time on September 22, 2026, with distribution by Shout! Studios. The film is also available now on digital platforms in the U.S., with a Canadian digital release to follow. For anime collectors and adventurous animation fans, this one belongs on the radar.
A Mermaid, a Marriage Proposal, and Glorious Chaos
The premise is a delightful, literal fish-out-of-water tale. In a fantastical future where humans and mermaids share a troubled coexistence, Stephan, an anxious employee at a shipbuilding company, has big ideas to save the sea. But his life explodes into ecstatic chaos when bubbly mermaid princess Chao proposes marriage out of the blue. Between shopping sprees, giant robots, and actual fireworks, the unlikely pair flounder through their new romance and slowly unlock their true feelings.
Crafted over seven years by the acclaimed STUDIO4°C and director Yasuhiro Aoki, ChaO is an inventive and genre-defying delight bursting with color and character. Equal parts hilarious and heartbreaking, its singular narrative plays as an ode to boundless love, wrapping a timely ecological parable and a thoughtful coming-of-age arc inside its zany comedy. Set against a vividly imagined futuristic Shanghai rather than the more familiar Tokyo, the film stands apart from its anime stablemates through sheer visual ambition, with critics praising its jaw-dropping, watercolor-inflected animation.
Festival Darling, Studio Legend
Here is the pedigree that should put ChaO on your shelf. The film premiered at the prestigious Annecy International Animation Film Festival in June 2025, where it took home the Jury Award, the festival’s second-highest honor, as the standout of the Asian selection. From there it screened at Fantasia, JAPAN CUTS, and the Ottawa International Animation Festival, building a reputation as a genuine crowd-pleaser before GKIDS gave it a North American theatrical release in April 2026.
It also marks a milestone for its director. ChaO is the solo feature directorial debut of Yasuhiro Aoki, a veteran animator whose credits include key animation work on Neon Genesis Evangelion and The Lord of the Rings: The War of the Rohirrim, as well as direction on Batman: Gotham Knight. The film comes from STUDIO4°C, the maverick house behind idiosyncratic classics like Mind Game and Tekkonkinkreet, whose name fittingly derives from the temperature at which water is most dense. An aquatic adventure feels almost inevitable from them, and ChaO delivers on that promise.
Disc Details and Special Features
ChaO arrives on Blu-ray in 1080p High-Definition (2.35:1) with Japanese DTS-HD MA 5.1 audio. Subtitles are available in English, English SDH, Spanish, and French.
The special features include:
- Storyboards and animatics
- Teasers and trailers
- Ending credits
Where and When to Watch
Here is the state of play.
- Blu-ray release: September 22, 2026
- Digital: available now in the U.S., with a Canadian release forthcoming
- Distributor: GKIDS, with disc distribution by Shout! Studios
The Vitals
The quick-scan version.
| Title | ChaO |
| Directed by | Yasuhiro Aoki |
| Studio | STUDIO4°C |
| Music by | Takatsugu Muramatsu |
| Distributor | GKIDS (Shout! Studios, disc) |
| Country | Japan |
| Premiere | 2025 Annecy International Animation Film Festival (Jury Award) |
| U.S. theatrical | April 10, 2026 |
| Blu-ray release | September 22, 2026 |
| Format | 1080p Blu-ray (2.35:1), Japanese DTS-HD MA 5.1 |
| Learn more | Wikipedia and GKIDS |
The Synopsis
In a fantastical future, humans and mermaids share a troubled coexistence. Stephan, an anxious employee at a shipbuilding company, has big ideas to save the sea. But his life explodes into ecstatic chaos when bubbly mermaid princess Chao proposes marriage out of the blue. Between shopping sprees, giant robots, and actual fireworks, the unlikely pair flounder through their new romance and unlock their true feelings. Crafted over seven years by STUDIO4°C and veteran animator Yasuhiro Aoki, ChaO is an inventive and genre-defying delight, equal parts hilarious and heartbreaking, and an ode to boundless love.
Where It Stands
ChaO comes home as one of the more distinctive animated features of the year, an Annecy-winning labor of love that pairs STUDIO4°C’s visual daring with a surprisingly tender heart. With a digital release already available and a Blu-ray on the way September 22, it is an easy pickup for anime collectors and animation lovers alike. I will have a fuller AndersonVision look at the disc once it lands, with attention to the transfer and that gorgeous animation.
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