Pretty Cure All Stars: Carnival of Spring♪

Pretty Cure All Stars: Spring Carnival♪ is a 2015 Japanese animated action fantasy film based on the Pretty Cure franchise created by Izumi Todo. The film is directed by Junji Shimizu, written by Mio Inoue, and produced by Toei Animation. The film was released in Japan on March 14, 2015.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.