It's The Ryugu Palace in Shock! The Kidnapping Of Shirahoshi!
Show: One Piece --> Season: 14 - Fishman Island
AirDate: 2/5/2012
Runtime: 24
Voting: 9 (2)

Overview: Luffy accidentally “kidnaps” the Mermaid Princess, an old friend issues a grave warning to Chopper and Sanji, and the New Fish-Man Pirates prepare for a raid on Ryugu Palace!