Episode 91

"Farewell, Drum Island! I'm Going Out to Sea!" is the 91st episode of the One Piece anime.

Summary
Chopper joins the Straw Hat Pirates as they continue their journey to Vivi's homeland. Along the way chopper is told about Baroque Works and Crocodile plan to take over Alabasta through a civil war. Ace is shown in this episode for the first time asking for Luffy and walks away but later runs away because he didn't pay for his meal. Mr. 2 becomes really angry with his navigator because they had sailed all the way to Little garden yet have not been able to find Mr. 3 and kill him as he was ordered to by Crocodile. Meanwhile on Alabasta, news gets to Crocodile that there are some pirates attacking a part of Alabasta so he goes off to take care of the pirates as he is obligated to