Episode 306

"A Phantom Mermaid is Here? Within Fading Consciousness" is the 306th episode of the One Piece anime, and takes place during the Enies Lobby Arc.

Summary
Kokoro is revealed to be a mermaid. Meanwhile, Franky pulls Nico Robin to her senses as she struggles to forget the trauma of Ohara's Buster Call. The two giants break out with the Franky Family and Galley-La, only to be confronted by three Marine ships.