Demon Slayer's Infinity Castle Just Shattered a Streaming Record on HBO Max

The movie that conquered the global box office has now conquered the streaming charts. Demon Slayer: Kimetsu no Yaiba Infinity Castle has set an all-time streaming record on HBO Max, surging to No. 2 worldwide among the platform's movies while claiming the No. 1 spot in 20 individual markets, according to FlixPatrol's October 1 rankings. The truly staggering part? The film had only been available on HBO Max in Latin America for about two days when those numbers were recorded.

The timing tells the story. HBO Max added Infinity Castle to its Latin American catalog on September 29, following the film's September 28 arrival on Netflix and Disney+ in several territories. Within 48 hours, Brazilian viewers and audiences across the region had pushed it to the top of the charts in market after market — a debut velocity that demonstrates the film's drawing power is nowhere near exhausted, more than a year after its Japanese theatrical premiere.

The Victory Lap of a Historic Run

To understand why this matters, remember the scale of what Infinity Castle already accomplished. The film premiered in Japan on July 18, 2025, as the first of three movies adapting the final battle of Koyoharu Gotouge's manga — the assault on Muzan Kibutsuji's fortress, where Tanjiro, Nezuko, the Hashira, and their allies face the Upper Rank demons in the confrontation the entire series has been building toward. It went on to become one of the highest-grossing anime films of all time, earning nearly 780 million dollars worldwide and cementing its place as a genuine theatrical phenomenon rather than a niche success.

The streaming rollout has been equally methodical. After its theatrical journey, the film arrived on Crunchyroll in July 2026, then spread across Netflix, Disney+, Hulu, and now HBO Max in various territories. Each new platform has essentially re-premiered the movie to a fresh audience — and each time, the audience has shown up. The HBO Max record is the latest proof that Infinity Castle behaves less like a catalog title and more like a recurring event.

What This Means for Anime on Streaming

There is a lesson here for every platform still debating how much to invest in anime. Infinity Castle is not a new release, it is not exclusive to any single service, and it is competing against the entire HBO Max film library — and it still took the No. 2 global spot in two days. That is not nostalgia. That is active, hungry demand from an audience that treats major anime films the way other audiences treat Marvel premieres.

With two more Infinity Castle films still to come, the Demon Slayer saga is going to be dominating both theaters and streaming charts for years. The corps marched into the fortress, and the fortress turned out to be every screen on the planet. The record books should get comfortable — this one is not done being rewritten.