An English-dubbed trailer is out for cocoon (*cocoon: Aru Natsu no Shoujo-tachi Yori*), the WWII drama that GKIDS is bringing to North American theaters on September 4, 2026, in both subtitled and dubbed formats.
Watch the dubbed trailer
The setup
Based on Machiko Kyo's 2010 manga, cocoon follows two girls at an all-girls school on a tropical southern island as war swallows their home - a story rooted in the Okinawa campaign. Studio Sasayuri produced it, with veteran ex-Ghibli animator Hitomi Tateno as animation producer and Yukimitsu Ina directing. Kensuke Ushio (*A Silent Voice*, Chainsaw Man, DAN DA DAN) composed the score.
Worth a slot?
This is a heavy, historically grounded film rather than seasonal genre fare - closer to In This Corner of the World than to a battle-shonen. It first aired on NHK in 2025; the GKIDS run gives it a proper theatrical window in North America. If you track serious, literary anime, keep it on your radar. It isn't ranked on SenpaiRanks yet - one to watch for the boards once it lands widely.
Frequently asked questions
Q: When does cocoon release in North America?
A: GKIDS begins theatrical screenings on September 4, 2026, in Japanese with subtitles and with an English dub.
Q: What is cocoon about?
A: Two girls at an island school during WWII, based on Machiko Kyo's manga and rooted in the Okinawa campaign.
Q: Who made cocoon?
A: Studio Sasayuri, directed by Yukimitsu Ina, with music by Kensuke Ushio.
Q: Is there an English dub?
A: Yes. GKIDS is screening both subtitled and English-dubbed versions.