is a 2025 Japanese animated dark fantasy action film based on the Infinity Castle arc of the 2016âÂÂ20 manga series ' by Koyoharu Gotouge. It is a direct sequel to the of the as well as the manga fourth, fifth, and sixth adaptations, following the film ' (2020) and the feature-length compilations ' (2023) and ' (2024). It is directed by Haruo Sotozaki, produced by Ufotable, and written by the studio's staff members. It follows the Demon Slayer Corps in their decisive climactic battle against Muzan Kibutsuji and the remaining Upper Ranks within the titular "Infinity Castle".
Unlike the Swordsmith Village and Hashira Training adaptations, which are compilations of episodes from the anime series, Infinity Castle is a feature-length multi-film adaptation due to the arc's content and dramatic pacing, similarly to Mugen Train. It is the first film of a trilogy announced in June 2024, immediately following the airing of the fourth season's finale.
It was released in Japan on July 18, 2025, by Aniplex and Toho. It was released by Crunchyroll through Sony Pictures Releasing in select Asian countries in August, before releasing in all other territories the following month. The film became the seventh-highest-grossing film of 2025, grossing $781 million worldwide, and the highest-grossing international film in the U.S. (previously held by Crouching Tiger, Hidden Dragon (2000)). The film also broke multiple box-office records, including becoming the highest-grossing Japanese film, the highest-grossing R-rated animated film, the second-highest-grossing adult animated film and the first R-rated non-American and animated film to gross over $700 million mark, as well as overtaking The Simpsons Movie (2007) as the highest-grossing film based on an animated television series and the second highest-grossing traditionally animated film, behind The Lion King (1994). It's also the highest-grossing traditionally animated film in its initial release, surpassing the initial gross of The Lion King. The film received generally positive reviews from critics, who praised its action sequences, visuals, and engaging story, although the pacing received some criticism. The film won Best Animation Film at the 49th Japan Academy Film Prize, and was nominated for Best Motion Picture â Animated at the 83rd Golden Globe Awards.
After recovering from 's trap and subduing , retreats into his dimensional stronghold, the Infinity Castle, and traps the Demon Slayer Corps inside. The Demon Slayers are separated and face hordes of Lower Rank-level demons as they search for Muzan and Tamayo. Kagaya's son, , and daughters, and , lead the operation by mapping the Infinity Castle with the Kasugai crows and locating its inhabitants, with former Hashiras and standing guard.
encounters Upper Rank Two , recognizing him as her sister 's killer. Despite her use of poisons, Doma develops immunity to her attacks, ultimately killing and consuming her. Shinobu's adoptive younger sister arrives too late to save her and takes her place in the battle against Doma, while the Kasugai crows announce Shinobu's death to the rest of the Demon Slayers.
faces his former senior , who became the new Upper Rank Six after an encounter with Upper Rank One . Angered by Kaigaku's lack of guilt over his betrayal, which led to their master Jigoro committing seppuku, they battle. Kaigaku voices his frustration at being compared to Zenitsu, but is killed when he uses a self-taught Thunder Breathing form. Zenitsu passes out and momentarily enters the afterlife, where Jigoro reaffirms he has always been proud of him; he is then rescued by a disguised , who has been using his Blood Demon Art to help the Ubuyashikis map the Infinity Castle. Meanwhile, Nezuko Kamado takes a drug produced by Shinobu and Tamayo to restore her humanity and is placed under the care of .
Tanjiro Kamado and fight Upper Rank Three . Though Giyu unlocks his mark to enhance his power, Akaza continues to overwhelm them. Determining that the demon is able to target people based on their willpower, Tanjiro recalls memories of Inosuke's ability to detect attacks and observing his late father in combat. He enters the Transparent World and Selfless State, giving him heightened perception and masking his emotions, successfully beheading Akaza. However, Akaza's body continues to resist and fight Tanjiro and Giyu while headless, pushing them to the brink.
Their persistence causes Akaza to remember his tragic past; he was a young criminal named Hakuji, who stole to fund his father's medication. After being caught stealing numerous times, his father committed suicide to unburden him, leading to a chance encounter with a dojo owner, Keizo. Hakuji served as his sole disciple while caring for his sick daughter, Koyuki. Hakuji and Koyuki eventually became engaged, but she and her father were poisoned by a resentful neighboring dojo that wanted his land while he visited his father's grave. The vengeful Hakuji massacred all of the dojo's members and was turned into a demon during an encounter with Muzan afterwards.
Despite regenerating his head out of sheer will, Akaza realizes his mistakes through his restored memories. Giving a final smile of gratitude to Tanjiro, he fatally injures himself and stops his regeneration, accepting defeat. He reconciles with his loved ones and reunites with Koyuki, who embraces him before accompanying him to Hell. Tanjiro and Giyu pass out from exhaustion as their victory is announced by the Kasugai crows.
Kokushibo and Doma are disappointed by Akaza's death, while the Infinity Castle's owner, Upper Rank Four , manipulates its layout to confuse the Ubuyashikis. Muzan traps Tamayo in a cocoon of his flesh, remaining confident of his victory over the Demon Slayers.
The following are the voice cast in billed order.
During the theatrical release of ', Atsuhiro Iwakami, President and executive director of Aniplex, said that Hikaru Kondo, President and Producer of Ufotable, talked to him about the idea of producing an adaptation for the Infinity Castle arch in the form of a theatrical trilogy. It begins with the idea of being confidential.
After that, it was officially approved by the production committee consisting of Aniplex (theatrical distribution rights owner), Shueisha (owner of the manga rights), and Ufotable (responsible for crafting the animation), and preliminary preparations were made before entering this production in the form of sharing with some anime staff. The first installment of the trilogy had a production period of three and a half years, beginning in early 2022 while the was still airing.
Yuki Kajiura and Go Shiina composed the film's music, after previously doing so in the and the previous three films. The film's theme songs were performed by Aimer, and performed by LiSA.
The first film was released by Aniplex and Toho on July 18, 2025. Sony Pictures Releasing International distributed the film in international markets under Crunchyroll. It was released in the following countries:
In Japan, it was distributed in 443 theaters on its release date. Throughout the first quarter of 2026, the film was announced to be re-released in various countries, starting with screenings in IMAX's 1:43:1 aspect ratio, ScreenX's 270-degree aspect ratio, and Ultra 4DX in Japan on February 6, alongside a "Breathing Enhanced Version" of the film's 4DX experience that was announced for February 20. The IMAX showings marked the first time an anime film was released in this aspect ratio.
Ufotable, in collaboration with Major League Baseball, released a short film to promote the first film and the series as well as the upcoming opening game of the 2025 season between the Los Angeles Dodgers and the Chicago Cubs at the Tokyo Dome on March 18. The film, featuring Hà Âchà « à Âtsuka as the voice of , one of the series' characters, narrates the history of baseball and the series. Toho also released an edited version of the whole series on April 4, 2025, in Japanese theatres. The first film's official main trailer was released on June 28, 2025, at an event broadcast on Fuji TV in Japan. The trailer registered more than 40 million views within 24 hours on official social media platforms.
The film debuted with strong box office success, setting multiple records nationwide. On its opening day, it earned ÃÂ¥1.64 billion (US$11.11 million) with 1.15 million admissions, marking the highest opening day gross in Japanese box office history. On the second day, it grossed ÃÂ¥1.84 billion (US$12.47 million) from 1.26 million admissions. On the third day, it earned ÃÂ¥2.03 billion (US$13.76 million) from 1.42 million admissions, setting a new record for the highest single-day box office revenue in Japan. The three-day total reached ÃÂ¥5.52 billion (US$37.42 million) from 3.84 million admissions, making it the biggest opening weekend of all time in Japanese cinema. On its fourth day, a public holiday, the film earned ÃÂ¥1.79 billion (US$12.13 million) from 1.32 million admissions, bringing its four-day total to ÃÂ¥7.31 billion (US$49.55 million) with 5.16 million tickets sold, making it the second-highest-grossing film of 2025 in Japan behind '. Within eight days of release, the film earned over 10 billion yen (approximately $71.0 million), sold 7.5 million tickets, and became the fastest film in Japan to reach that milestone (valued at around $67.6 million at the time), breaking the previous record set by '. The film grossed $70 million in its U.S. opening weekend, setting the record for the biggest opening weekend for an international film in the U.S. as well as the biggest opening for an R-rated animated film. It was projected to earn $17.3 million at the box office in the final weekend of September. It debuted in first place with US$49.9 million at China's box office, and concluded with US$96 million.
The film received a strong reception from Japanese audiences, topping Filmarks first-day satisfaction ranking with an average score of 4.36 out of 5, based on 8,114 user reviews.
Critics gave the film generally positive reviews, highlighting its action sequences, visuals, and story, while some criticized its pacing. Richard Eisenbeis of Anime News Network graded the film a C+, praising its animation, character arcs, and intense battles, but criticized its repetitive structure and reliance on flashbacks, which he argued hinder the pacing. Matt Schley of The Japan Times offered a mixed assessment, commending the animation and faithful adaptation of the but criticizing the extended runtime and lack of narrative closure. Phuong Le of The Guardian gave the film 4 out of 5 stars, describing it as "a spectacular treat" and praising its visuals and emotional impact, while noting that flashback sequences sometimes slowed the pacing.