Strong World (ストロング ワールド, Sutorongu Wārudo?) is the name of the upcoming tenth feature film for the One Piece franchise. It will be the first film to additionally star Chō as Brook, announced for December 12, 2009.[39]

The plot involves the East Blue under siege by a ruthless pirate named Kinjishi. This is the first film Eiichiro Oda personally wrote in celebration of the tenth anniversary of the anime series.