Kamen Rider Kiva the Movie: King of the Castle in the Demon World is the theatrical film adaptation of the Japanese 2008 Kamen Rider series, Kamen Rider Kiva, directed by Ryuta Tasaki and written by Toshiki Inoue. A director's cut came out in June 2009. The film is produced by Ishimori Productions and Toei, the producers of all the previous television series and films of the Kamen Rider series.