Film opens in Japan on September 11Kadokawa started streaming the opening sequence for the Uchū Nanchara Kotetsu-kun: Ukkari Detekita Uchūjin o Sagase! (Space Academy: Find the Aliens Who Accidentally Came Out! ) film based on Yūji Nishimura 's web manga Uchū Nanchara Kotetsu-kun ( Space Academy ) on Thursday. Image courtesy of Kadokawa ©Space Academy/ちょっくら月まで映画委員会The film will open in theaters on September 11. The weekly anime premiered its first season on NHK Educational in April 2021, and aired until March 2022.