With the final months of 2026 still ahead, anime enthusiasts are already turning their attention toward next year’s most anticipated theatrical releases. At the very top of virtually every watchlist sits Demon Slayer: Infinity Castle 2, the long-awaited sequel to the highest-grossing anime film in history, which has yet to receive an official release window. Now, however, eagle-eyed fans have spotted a potential specific date that could finally pin down when the next blockbuster arrives.
The candidate in question comes from movie listing sites such as The-Numbers.com, which currently list an untitled Crunchyroll/Sony Pictures film slated for release on September 15, 2027. Given that Sony and its subsidiary Crunchyroll hold the global distribution and streaming rights to the Demon Slayer franchise, this has naturally sparked speculation that the mysterious title could be none other than Infinity Castle 2.
A Promising but Incomplete Match
The reasoning behind the fan theory is fairly straightforward. Sony owns the worldwide distribution and streaming rights for Demon Slayer, while its wholly owned subsidiary Aniplex also sits on the anime’s production committee. This corporate structure makes it entirely plausible that a new Demon Slayer film would surface through a Crunchyroll or Sony Pictures listing.
However, there are notable gaps in the evidence. The current listings reference only Sony Pictures as the production company and do not mention Aniplex by name. Some analysts suggest this could indicate the film is something other than Infinity Castle 2, though others point out that because Aniplex is a 100%-owned subsidiary of Sony, its omission may simply be a matter of terminology rather than a definitive disqualifier.
Another Contender for the Slot
The September 15 date also leaves room for an alternative candidate. One Piece Film: God Valley has already been announced as arriving in summer 2027, making it the first direct tie-in with the official story of both the manga and anime. If that film lands on September 15, it would neatly fill the mysterious slot.
Yet this theory faces its own set of complications. One Piece films are produced by Toei Animation, a company not mentioned in the listing at all. While Sony/Crunchyroll does handle North American distribution for One Piece movies, that arrangement notably excludes France, which is the country referenced in the original listing.
The listings for this unnamed movie do not mention Aniplex as the production company, just Sony Pictures. This could be a clue that the movie in question is not Demon Slayer: Infinity Castle 2. However, as Aniplex is a 100%-owned subsidiary of Sony, this could simply be a matter of terminology.
Demon Slayer news report
The bottom line is that there is simply not enough information at this stage to confidently identify the mysterious Sony/Crunchyroll film releasing on September 15. Until an official confirmation arrives, fans would be wise to treat this listing as nothing more than a tantalizing tease rather than a reason to clear their calendars.
Looking Ahead
For those eager to revisit the original Infinity Castle installment while waiting for news on its sequel, the first film in the trilogy has just landed on Hulu. This provides an ideal opportunity to rewatch the acclaimed adaptation ahead of whatever Sony and Aniplex announce next.
As always, official announcements from Sony, Crunchyroll, or Aniplex will be the definitive source for confirming both the title and release date of 2027’s biggest anime theatrical event. Until then, speculation remains firmly in the realm of rumor.
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