Episode 310

"A Friend Approaches from the Sea! The Straw Hat Crew's Strongest Bonds" is the 310th episode of the One Piece anime, and takes place during the Enies Lobby arc.

Short Summary
Luffy, after finally defeating Rob Lucci, is unable to move after his battle. The Franky Family, along with the Galley La Company, Yokozuna, and Oimo and Kāshī are still alive after their Buster Call encounter. When all hope seems lost, the Straw Hats hear a familiar voice that tells them to jump into the sea; the Going Merry.