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The First Patient! The Untold Story of the Rumble Ball! 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.
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Uprising of the Navigator! For the Unyielding Dream! A weird salesman is fished out of the water and onto the Going Merry, and Nami buys a ton of "1000 year paper" from him to draw her sea maps. However, that's not going to be easy with the rest of the crew goofing off as usual.
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A Recipe Handed Down! Sanji, the Iron Man of Curry! The Going Merry runs into several Marine ships in some fog, and the Straw Hats meet a trainee Marine chef named Tajiyo. Sanji helps him out of a bit of cooking trouble.
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I Will Make it Bloom! Usopp, the Man, and the Eight-Foot Shell! The crew stops on an island that's having its annual fireworks festival; Usopp meets a young fireworks-maker named Kodama and helps her achieve her dream.
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The Fabled Pirate Hunter! Zoro, the Wandering Swordsman! Zoro has a flashback about the time when he first met Johnny and Yosaku, and faced off against Bandits and, Dick.
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Zenny of the Island of Goats and the Pirate Ship in the Mountains! After escaping from several Marine ships, the Straw Hats land on an uncharted island and meet an old man named Zenny. Chopper finds out that, because of his bad heart, Zenny probably only has three days to live.
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How's Tricks? The Designs of Zenny the Moneylender! The Straw Hats help Zenny out, hoping to make his last days good ones; they learn about Zenny's past as a money lender, and his dream of becoming a pirate. But Zoro realizes that Zenny has outlived Chopper's predictions and so the straw hats decide that, after helping him finish his pirate ship, they will leave the island.
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Whereabouts of the Island Treasure! Attack of the Zenny Pirates! Zenny decides to follow his dream and become a pirate, despite his age. He helps the Straw Hats out of trouble with the Marines, and then they part ways.
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Legend of the Rainbow Mist! Old Man Henzo of Luluka Island! On Ruluka Island, some of the Straw Hats make enemies of the Mayor and his men, who have placed high taxes on everything. Robin, Usopp, and Luffy meet Professor Henzo, who's doing research on the island's rainbow mist. When some of the mist shows up, Henzo borrows the Going Merry to go explore it.
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Residents of the Land of Eternity! The Pumpkin Pirates! The inside of the Rainbow Mist full of wrecked ships and treasure, and is guarded by five kids. The kids are actually friends of Henzo's that got lost in the mist over 50 years ago.
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Thoughts of Home! The Pirate Graveyard of No Escape! Henzo, his friends, and the others try to find a way out of the ship graveyard. Meanwhile, the Mayor and his men let the information about the Rainbow Mist slip to the remaining Straw Hats still on Ruluka.
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An Inevitable Melee! Wetton's Schemes and the Rainbow Tower! Luffy accidentally propels himself and Rapanui to the end of the mist. Nami appears in the ship graveyard with a rowboat full of treasure and a string connected to the real world, which are both stolen by Wetton's subordinate. The Mayor uses the Rainbow Tower to make a bridge to the Rainbow Mist.
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And so, the Legend Begins! To the Other Side of the Rainbow! The Going Merry escapes from the Rainbow Mist, getting badly damaged on the way. The Mayor gets arrested by a bunch of powerful marines that turn out to be older versions of Henzo's friends, who were thrown 50 years into the past by the Rainbow Mist's collapse.