One Piece (dub) Episode 306 -

In , titled " A Mysterious Mermaid Appears? As Consciousness Fades Away... " , the English dub is part of the Enies Lobby arc. Episode Summary

Luffy continues his intense battle against Rob Lucci, utilizing Gear 3 for the first time in the series to try and overpower the CP9 assassin. One Piece (Dub) Episode 306

You can watch the dubbed version of One Piece on several platforms: In , titled " A Mysterious Mermaid Appears

As the Straw Hats (Sanji, Zoro, Nami, Chopper, and Usopp) are about to drown in the flooded underwater tunnel, they are saved by a mysterious mermaid who is revealed to be Old Lady Kokoro . One Piece (Dub) Episode 306