- 131 The First Patient! The Untold Story of the Rumble Ball!Nov. 03, 2002
- 132 Uprising of the Navigator! For the Unyielding Dream!Nov. 10, 2002
- 133 A Recipe Handed Down! Sanji, the Iron Man of Curry!Nov. 17, 2002
- 134 I Will Make it Bloom! Usopp, the Man, and the Eight-Foot Shell!Nov. 24, 2002
- 135 The Fabled Pirate Hunter! Zoro, the Wandering Swordsman!Dec. 01, 2002
- 136 Zenny of the Island of Goats and the Pirate Ship in the Mountains!Dec. 08, 2002
- 137 How's Tricks? The Designs of Zenny the Moneylender!Dec. 15, 2002
- 138 Whereabouts of the Island Treasure! Attack of the Zenny Pirates!Dec. 22, 2002
- 139 Legend of the Rainbow Mist! Old Man Henzo of Luluka Island!Jan. 05, 2003
- 140 Residents of the Land of Eternity! The Pumpkin Pirates!Jan. 12, 2003
- 141 Thoughts of Home! The Pirate Graveyard of No Escape!Jan. 19, 2003
- 142 An Inevitable Melee! Wetton's Schemes and the Rainbow Tower!Jan. 26, 2003
- 143 And so, the Legend Begins! To the Other Side of the Rainbow!Feb. 02, 2003
One Piece: Season 5 Episode 131
After their adventures in Alabasta, the crew come upon another deserted island and split up tasks amongst themselves. Chopper is left in charge of guarding the ship, and he reminisces about the day he first made the rumble ball and his first patient, Dr. Kureha, while spending some time with the newest crewmember: Nico Robin.
Episode Title:The First Patient! The Untold Story of the Rumble Ball!