One Piece: Season 1, Episode 580

1 - 580: A Battle in the Heat! Luffy vs. The Giant Dragon!

Luffy and Zoro starts fighting the dragon, which is shown to be able to speak and breathe fire. Luffy rockets up to the dragon's back, discovering the presence of a pair of legs. Luffy manages to make the dragon chew its own wing, making it fall. Zoro takes the opportunity to jump into the air with Usopp's trampolina and decapitates the dragon. Meanwhile, Nami, Chopper, Franky, Brook, and Sanji are all asleep due to a sleeping gas and are abducted by men in hazmat suits.