Luffy and his crew are on Mirror Ball Island during a dance carnival. They are spotted by Marines just as Jango the hypnotist is running from them. Luffy and the others are caught up in the dance carnival as Jango, in his desperate attempt to escape, hypnotizes the entire island to dance the night away. (Source: ANN)

Set over 20 years prior to the main One Piece story, this limited release OVA chronicles the confrontation between Gold Lion Shiki and Gold Roger as well as other events around the world around the time of the Pirate King's execution.

OVA released with the 9th volume of the manga.

This OVA is divided into two parts. First one is about Torii Shoutarou following his younger sister on a date. Second one is about Christmas Eve, which Mitsuki, Yuuya and their friends spend at Kanzaki's house. Bundled with the limited-edition volume 7 of the manga. (Source: AniDB)