One Piece: Baron Omatsuri and the Secret Island

One Piece: Baron Omatsuri and the Secret Island is a 2005 anime film directed by Mamoru Hosoda and produced by Toei Animation. It is the sixth animated feature film in the film series of the One Piece anime, based on the manga of the same name written and illustrated by Eiichiro Oda. It premiered in Japan on March 5, 2005, and was released to DVD on July 21, 2005.