One Piece

Season 11, Episode 397

Episode Title: Major Panic! Desperate Struggle at the Auction House

Air Date: 2009-04-19

Overview:

Luffy turns a mermaid auction into a pirate-style brawl when he knocks the snot out of a Celestial Dragon. With a fleet of marines out to get them, the Straw Hats will have to fight their way off the island!