Odex began streaming an English-subtitled teaser video and trailer on Tuesday for Fate/stay night: Heaven's Feel III. spring song, the third film in the Fate/stay night: Heaven's Feel film trilogy, last week. Odex will screen the film this year in Singapore, Malaysia, Brunei, Indonesia, and the Philippines.
The film was originally scheduled to open in Japan on March 28, but Aniplex delayed the film's opening just two days prior to the opening due the outbreak of the new coronavirus disease (COVID-19). It rescheduled the film to open on April 25, but Aniplex again delayed the film, this time indefinitely.
Tomonori Sudō (Fate/stay night: Unlimited Blade Works, Fate/Zero animation director) is directing the films, and ufotable is animating the work. Yuki Kajiura (Fate/stay night: Unlimited Blade Works theme song composer, Fate/Zero music and theme song composer) is composing the music. Takahiro Miura is providing the storyboards.
Aimer will once again perform a new theme song for the film titled "Haru wa Yuku." Yuki Kajiura is once again composing the theme song. The pair respectively performed and composed the theme songs for the previous two films.
The first film opened in Japan in October 2017, and the second film opened in January 2019.