Episode 627

"Luffy Dies at Sea!? The Pirate Alliance Comes Apart" is the 627th episode of the One Piece anime.

Short Summary
Breed reveals that he plans to turn every human into an animal through the artificial Devil Fruit. Breed commands Luffy and Law to fight each other in a stadium-like place, while Dugong begs him to make them stop. Breed accepts his offer and makes Dugong fight Luffy and Law instead. Luffy and Law fall into the ocean after getting punched off the ship by the Kung-Fu Dugong.

Anime Notes

 * Breed takes a fascination with Chopper, nicknames him "Chappy", and puts him in a dress.
 * Caesar Clown is shown with a collar.
 * It is revealed that Breed was betrayed by his old crew.
 * Breed possesses a SMILE and wants Caesar to make more for him. Breed plans to transform all humans into animals.
 * Breed forces Luffy and Law to fight each other and later forces the Kung-fu Dugong to knock both of them into the sea.
 * Caesar gets away from Breed for the moment.