★ 6.8 Film
One Piece: Curse of the Sacred Sword
2004
Both explore pirate and shounen; both action and animation
★ 6.9 Film
One Piece: Clockwork Island Adventure
2001
Same creator (Junji Shimizu); both explore pirate and shounen
★ 7.0 Film
One Piece: Dead End Adventure
2003
Both explore pirate and anime; both action and animation
★ 6.6 Film
One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!
2003
Both explore pirate and anime; both action and animation
★ 7.2 Film
One Piece: Baron Omatsuri and the Secret Island
2005
Both explore pirate and shounen; both action and animation
★ 6.9 Film
One Piece: Giant Mecha Soldier of Karakuri Castle
2006
Both explore pirate and shounen; both action and animation