Season 3 may be over, but the song plays on! It’s just been announced that Sound! Euphonium will be back for one last film, currently set to premiere in 2026.
Details are sparse for Sound! Euphonium, The Final Movie, so far consisting only of the premiere year and a key visual. Check out the new art, featuring a smiling Kumiko taking a big leap forward:
Sound! Euphonium, The Final Movie Teaser Visual

Kyoto Animation also shared an announcement trailer for the project, featuring iconic moments from the series over the years:
Crunchyroll streams all three seasons and all previous films of Sound! Euphonium, describing the series as such:
Spring in the first year of high school. Kumiko, a member of the brass band in junior high school, visits the high school brass band club with classmates Hazuki and Sapphire. There, she comes across Reina, her former classmate from junior high. Hazuki and Sapphire decide to join the club, but Kumiko can’t make up her mind. She recollects her experience with Reina at a competition in junior high school.