The worst episodes of One Piece

Ranked by viewer rating, lows first. Vote on a placement to back it or contest it.

1. 01

   S2003E01 · January 5, 2003 · 25m

   Legend of the Rainbow Mist! Ruluka Island and the Old Man Henzo6.0

   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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2. 02

   S2003E02 · January 12, 2003 · 25m

   Inhabitants of Neverland! The Pumpkin Pirates!6.0

   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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3. 03

   S2003E03 · January 19, 2003 · 25m

   A Longing for Home! The Inescapable Pirate Graveyard!6.0

   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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4. 04

   S2003E04 · January 26, 2003 · 25m

   Frantic Struggle! Whetton's Plans and the Rainbow Tower6.0

   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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5. 05

   S2005E06 · February 6, 2005 · 25m

   Lost? Stolen? Who are You?6.0

   A mysterious figure appears during the night and steals the memories of the crew. In the morning, Robin is the only one who remembers the Straw Hats adventures together. Her attempts to keep the crew together fail as Nami and Zoro go separate ways.

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6. 06

   S2005E07 · February 13, 2005 · 25m

   The Mysterious Boy with the Whistle and Robin's Guess6.0

   Robin suggests that only those who were sleeping lost their memories. Luffy and the others then remember seeing the mysterious boy who played some kind of flute. Later that night, they discover the boy outside and Luffy tries to fight him. At the last second, he proclaims his memory has returned.

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7. 07

   S2005E08 · February 20, 2005 · 25m

   Get Back the Memories! The Pirates Land6.0

   During the night, Usopp, Chopper, and Sanji question what brought them to the Going Merry. In the morning, Usopp builds them a raft and they sail to the island where they meet Nami again. Meanwhile, the boy sets his sights on Zoro.

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8. 08

   S2005E09 · February 27, 2005 · 25m

   Zoro Sharpens His Fangs! A Fight with a Wild Animal6.0

   On their way to "The Palace of the Sea God" Robin's group meets an entranced Zoro. It looks like Zoro wants to fight so Luffy urges the others to keep going without him. They apprehend the kid but the whistle was what was really stealing their memories. Zoro returns, still entranced, but Luffy's nowhere to be seen.

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9. 09

   S2005E10 · March 6, 2005 · 25m

   The Real Memory Thief's Final Counterattack!6.0

   Luffy returns and knocks some sense into Zoro. Cornered, the sea horse spreads illusions of the people in their memories to distract them. It steals their complete memories and claims that it has become a Sennenryu. Luffy defeats it and returns all the memories but the townspeople are convinced they are the memory stealers.

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10. 10

    S2003E05 · February 2, 2003 · 25m

    And Then the Legend Begins! To the End of the Rainbow6.3

    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.

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11. 11

    S2016E23 · June 26, 2016 · 30m

    The Silver Fortress – The Great Adventures of Luffy and Bart6.3

    While heading to the next island, Zou, Luffy's appetite causes them trouble and he and Bartolomeo find themselves entangled in the scheme of a pirate lord who can manipulate silver.

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12. 12

    S2002E40 · November 24, 2002 · 25m

    I'll Make it Bloom! Manly Usopp's Eight-Shaku Ball6.5

    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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13. 13

    S2004E26 · September 5, 2004 · 25m

    The Squadron of Burning Souls Attack! Battle on the Bridge!6.5

    Sanji and Luffy, after freeing Usopp and Zoro, try to escape Navarone. As the Burning Soul combat unit is deployed, Dr. Kobato leads Nami and Chopper to the docks.

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14. 14

    S2007E35 · October 14, 2007 · 25m

    Mysterious Party of Pirates! The Sunny and a Dangerous Trap6.6

    The Straw Hats try to help another ships crew.

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15. 15

    S2008E09 · March 2, 2008 · 25m

    A Bunch of Animals? Perona's Wonder Garden!6.6

    Usopp, Chopper and Nami do battle with a garden full of adorably dead zombie animals.

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16. 16

    S2002E05 · February 3, 2002 · 25m

    Spirit of the Fakes! Heart of the Rebel Army, Kamyu!6.7

    After hearing that a small village has fake Rebel Army bodyguards that have been keeping peace, Vivi asks the men of the crew to test if they are worthy of staying.

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17. 17

    S2000E10 · March 15, 2000 · 25m

    You're the Weird Creature! Gaimon and His Strange Friends!6.8

    With Usopp now in the crew and a new ship, the Going Merry, under their command, the Straw Hats head to an island said to hold a fabled treasure, only to encounter a strange man stuck in a treasure box that has also been looking for this treasure.

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18. 18

    S2000E19 · May 31, 2000 · 25m

    The Coldhearted Devil-man. Gin, the Pirate Fleet Battle Commander6.8

    Gin finishes off Pearl, claiming that he wants to kill Sanji himself. Still wounded, Sanji faces Gin while Luffy attacks Don Krieg.

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19. 19

    S2006E26 · October 1, 2006 · 25m

    Jump Into the Falls! Luffy's Feelings!!6.8

    Luffy's backstory.

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20. 20

    S2006E27 · October 8, 2006 · 25m

    A Man's Way of Life! Zoro's Techniques, Usopp's Dream6.8

    Zoro and Usopp's backstories.

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21. 21

    S2006E28 · October 15, 2006 · 25m

    Tears Which Weaved the Bond of Comrades! Nami's World Map6.8

    Nami's backstory.

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22. 22

    S2006E30 · October 29, 2006 · 25m

    All for my Comrades' Sake! The Darkness Within Robin!6.8

    The reasons for Nico Robin's recent actions, as well as a summary of her back story.

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23. 23

    S2007E01 · January 7, 2007 · 25m

    The Great Mochimaki Race to the Castle! Conspiracy of the Red Nose6.8

    The madcap throwback continues as Luffy and the gang competes for a priceless treasure hidden inside a tasty snack.

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24. 24

    S2007E12 · April 1, 2007 · 25m

    The Criminal is Boss Luffy? Chase the Vanished Great Sakura Tree6.8

    An ancient tree is stolen by a madman with the power to freeze time.

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25. 25

    S2009E45 · November 29, 2009 · 25m

    A Special Presentation Related to the Movie! The Fierce Onslaught of the Amigo Pirates!6.8

    Largo uses his devil fruit power to create nets from his body and trap Zoro and Sanji.

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