Howl's Moving Castle (ハウルの動く城) is also my favorite one in Miyazaki's Work. Howl's Moving Castle is a 2004 Japanese animated steampunk fantasy film written and directed by Hayao Miyazaki of Studio Ghibli and based on Diana Wynne Jones' novel of the same name. Mamoru Hosoda, director of two seasons and one movie from the Digimon series, was originally selected to direct but abruptly left the project