One Piece — Episode 537: Keep Shirahoshi Safe! Decken Close Behind!

You are watching the episode Keep Shirahoshi Safe! Decken Close Behind! Luffy, Chopper, and Sanji are taken prisoner by a fish mob just as Vander Decken launches an attack the princess! Elsewhere, Zoro continues his battle with Hordy, and Nami hitches a ride on a mermaid to escape the crumbling palace!