The new Demon Slayer Infinity Castle movie trailer has been released, and its content is quite interesting, to say the least. The trailer has excited the entire fanbase as the upcoming movie will cover one of the most exciting story arcs in the animanga series. This particular story arc will feature plenty of fight sequences involving some of the most powerful demons and Hashira.
The Demon Slayer Infinity Castle movie is slated to release on September 12, 2025. The latest trailer provided fans with a deeper insight into the story arc's contents. The trailer began with a short scene involving Obanai Iguro. He was seen swinging into the Infinity Castle as he was ready to take on a horde of demons. Following that, Sanemi Shinazugawa was being furiously pursued by an unknown demon.
Following that, we saw a shot of Gyomei Himejima, the Stone Hashira, breaking down a wall with his weapon. Muichiro Tokito, Mitsuri Kanroji, and Giyu Tomioka made a short appearance in the trailer after that. We could see Tanjiro falling in slow motion with his Demon Slayer Mark activated. The Demon Slayer Infinity Castle movie trailer featured a narrator who believed that the final battle would soon come to an end.
The Demon Slayer Infinity Castle movie trailer then shifted its focus to Doma, the Upper Moon 2 demon. He is one of the most powerful demons in the series, and Shinobu was pitted against her. She is considered to be one of the weakest Hashira in the series. Therefore, anime-only fans have shown a lot of concern for her. The short fight sequence shown in the trailer was breathtaking to watch.

The second highlight of the movie would be the fight between Zenitsu and Kaigaku, which was also hinted at in the trailer.
The trailer showcased Zenitsu showing absolutely no fear as he was fully conscious and glaring at his opponent. Based on this short interaction, one can take an educated guess regarding the contents of the letter he received in the previous season.
Last but not least, we also saw a glimpse of Akaza, the Upper Moon 3 demon. He killed Kyojuro Rengoku. It will be interesting to see how the Demon Slayer Corps comes up with a plan to thwart the martial arts expert. The Demon Slayer Infinity Castle movie trailer also revealed interesting details surrounding the upcoming movie.
Additional details surrounding the Demon Slayer Infinity Castle movie trailer
The Demon Slayer Infinity Castle movie trailer revealed the opening and the ending theme songs for the upcoming movie. The opening theme song will be performed by Aimer. This talented young artist performed the opening theme song for the Entertainment District arc. Aimer’s upcoming theme song is titled A World Where the Sun Never Rises. The ending theme song will be performed by LiSA. She is a J-pop sensation who also performed the first season’s opening theme song. The song is titled Shine in the Cruel Night.
The trailer also reiterated the release date for the audience residing in Japan. The movie is all set to be released on September 12, 2025. Furthermore, the trailer in question also revealed an IMAX screening for the same. Fans are eager to see this movie in an IMAX setup as the audio and visual quality is par excellence.
Conclusion
The new Demon Slayer Infinity Castle movie trailer revealed glimpses of the fight sequences as well as details surrounding the theme songs. The audience will also have access to an IMAX screening in select theatres near them. Last but not least, the movie will be released on September 12, 2025.