After defeating Doflamingo, the Straw Hats, Trafalgar Law, Kin’emon, and Kanjuro arrive on Zou, in order to reunite with Sanji and the others. However, they discover that Sanji has been swept up in a set of personal and political entanglements and that Zou has been subjected to a siege by Jack of the Beasts Pirates.


One Piece: Season 18
Overview
Episodes
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18x749
The Sword Technique Heats Up! Law and Zoro Finally Appear!
Inside the underground mines, Luffy and Bartolomeo are attacked by the Rail Car Man Avelon. Desire is attacked as well, which shocks her, as Bill had…
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18x750
A Desperate Situation - Luffy Fights a Battle in Extreme Heat
Luffy, Desire, and Bartolomeo go up against Bill! But the mad, Smelt-Smelt man becomes deranged and lets his true power unfurl! Do Luffy and the others…
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18x751
The Start of a New Adventure - Arrival at the Mysterious Island, 'Zou'!
Bartolomeo recounts the formation of the Straw Hats, sharing their moving story with the rest of his crew! Meanwhile, the mysterious island of Zou approaches in…
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18x752
The New Shichibukai - Son of the Legendary Whitebeard Arrives
Luffy and the others arrive at the mysterious land of Zou, and find the Sunny. But when they board, they find the other Straw Hats have…
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18x753
A Deadly Elephant Climb - A Great Adventure on the Back of the Giant Elephant!
Finally scaling the elephant's back, the Straw Hats continue their search for the other half of their crew! But the mysterious "island" on the back of…
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18x754
Battle Starts! Luffy vs. the Mink Tribe!
Luffy pushes deeper into the mysterious forest on the elephant’s back, but he's treading in territory where is not welcome! Meanwhile, Usopp and the others make…
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18x755
Garchu! The Straw Hat Crew Reunites
Luffy and the others survive the Rain-Ruption and learn of its vital role in maintaining life on Zou. They continue on towards the fortress learning more…
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18x756
The Counterattack Begins! The Curly Hat Pirates Move Out!
Luffy and the others are unexpectedly welcomed at the fortress and treated well by the Minks, although they have to navigate some cultural differences… And Nami…
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18x757
An Incoming Threat - Jack of the Beasts Pirates!
Luffy and the others learn about the dangerous intruders who have come to Zou, and why the island is wrecked! Afterwards, Luffy's loose lips get them…
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18x758
The King of the Day! Duke Dogstorm Appears!
Duke Dogstorm - the Straw Hats finally meet the ruler of this strange land, and learn more about the battle that took place here; and the…
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18x759
The King of the Night! Master Cat Viper Emerges!
Day turns to night as the Minks keep up their onslaught against the invading Beast Pirates! But Jack's amazing Devil Fruit power may end the elephant…
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18x760
Destruction of the Capital - Curly Hat Pirates Arrive on Land!
Night and day, Jack faces the fury of the two sworn defenders of Zou, but while they put up a good fight, the Minks aren't able…
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18x761
Race Against Time - The Bond of the Minks and the Crew!
In the aftermath of Jack's deadly attack on the island of Zou, Chopper and Sanji rush in to save the fallen Mink Tribe - but they…
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18x762
The Rascal Returns Home - Yonko Big Mom's Assassin
More of the dramatic happenings on Zou are revealed as we learn that Jack's pirate band were not the only visitors to the elephant island! And…
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18x763
The Truth Behind His Disappearance - Sanji's Shocking Invitation
The mystery of Sanji's disappearance deepens as Luffy learns that Big Mom's lackeys have caught up with him and the rest - and carry with them…
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18x764
To My Buds! Sanji's Farewell Note!
Sanji's dire situation has become clear, but instead of rallying against Big Mom's crew, he submits to go along with them to bring an end to…
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18x765
Let's Go See Master Nekomamushi
There's only one key to finding out what happened to Sanji - and Luffy and the others make their way towards finding out more about their…
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18x766
Luffy's Decision - Sanji on the Brink of Quitting!
Luffy hatches a plan to help Sanji, but he'll have to go alone to avoid an all-out war with Big Mom. Meanwhile, Kin'emon and Kanjuro finally…
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18x767
A Volatile Situation! The Dog and the Cat and the Samurai!
The samurai have landed! And they make their way into the country of Zou unaware of the welcome they will receive by the Minks! The Straw…
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18x768
The Third One! Raizo of the Mist, the Ninja, Appears
Revelations abound as the true nature of the Wano clan and their relationship with the Minks is revealed! Momonosuke's role is greater than any had imagined!…
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18x769
A Red Stone! A Guide to the One Piece
The mysteries of ninjutsu enthrall the Straw Hats as Raizo, the implausible ninja, makes his true powers known! Meanwhile, a mysterious artifact points the way towards…
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18x770
The Secret of the Wano Country - The Kozuki Family and the Poneglyphs
The mystery of the Ponegliffs is revealed - their true significance, and the story of their creation, leads closer to the Straw Hats than they might…
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18x771
A Vow Between Two Men - Luffy and Kozuki Momonosuke
More mysteries of the Kozuki Clan are revealed - and the samurai propose an alliance to help topple Kaido! But Luffy's response will shock the crew...…
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18x772
The Legendary Journey - The Dog and the Cat and the Pirate King!
Dogstorm and Cat Viper share their story of being on the journey with Oden and Roger but are interrupted by Nami who is concerned about the…
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18x773
The Nightmare Returns - The Invincible Jack's Fierce Attack
The plans are set! The Straw Hats divide and conquer, one group heading to save Sanji, the others to the Land of Wano! But in the…
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18x774
A Battle to Defend Zou - Luffy and Zunisha!
Jack’s fleet launches an aggressive attack on the monstrous Zunesha, and a loud voice calls to Luffy and Momonosuke. As the elephant island falters and those…
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18x775
Save Zunisha - The Straw Hat's Rescue Operation!
With the skirmish with Jack now over, the Straw Hats try to bandage the great elephant's wounds. But just as the whole island puts the plan…
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18x776
Saying Goodbye and Descending from the Elephant - Setting Out to Take Back Sanji!
The Straw Hats and the others split up into four teams, each on different missions! Some from the Mink Tribe insist on leaving with Luffy’s team!…
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18x777
To the Reverie - Princess Vivi and Princess Shirahoshi
Luffy's team sets out from Zou on their way to win back Sanji! But they didn't realize there is one more crewmember than they have bargained…
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18x778
To the Reverie - Rebecca and the Sakura Kingdom
Carrot stows away! And settles in with the Straw Hats as they make their way to rescue Sanji! Meanwhile, in the Sakura Kingdom - formerly the…
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18x779
Kaido Returns - An Imminent Threat to the Worst Generation!
News of the raid on the Revolutionary Army reaches Luffy! But that's the least of their worries as they face a storm and a sudden lack…
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18x780
A Hungry Front - Luffy and the Marine Rookies!
Sneaking in to the Navy island facility to replenish their food supply, Luffy and the others risk being caught out in the open! Will their infamy…
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18x781
The Implacable Three - A Big Chase After the Straw Hats!
The jig is up as Luffy and the others make a daring dash to avoid the furious Navy! Can they escape without having to fight, and…
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18x782
The Devil's Fist - A Show Down! Luffy vs. Grount
Making a mad dash for the Submerge with the food they stole, Luffy and the others have to get through some of the Navy's upstart soldiers!…
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18x783
Sanji's Homecoming! Into Big Mom's Territory!
The Straw Hats continue to suffer from blazing heat and a perilous food crisis! As the seas finally calm, fishing is their only hope! Meanwhile, Sanji…
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18x784
Zero and Four! Encountering Germa 66!
Luffy is in danger as the venomous fish poison courses through his body! With no antidotes on board, the Straw Hats must rely on a mysterious…
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18x785
A Deadly Poison Crisis! Luffy and Reiju!
On the edge of life and death, Luffy's only hope rests with a curly-browed beauty! Even without an antidote, she may still be able to save…
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18x786
Totto Land! Emperor Big Mom Appears!
Arriving on Cacao Island, Luffy and Chopper are in heaven as everything before their eyes is edible! But in this most heavenly of places, there are…
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18x787
The Emperor's Daughter! Sanji's Fiancée - Pudding!
The Straw Hats confront Pudding—Sanji's fiancée. But when they challenge her for Sanji's heart, her answer is quite shocking! Meanwhile, an ominous message may spell doom…
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18x788
A Massive Attack! Mom's Hunger Pangs!
The dangerous waters around the Whole Cake Island harbor terrifying creatures that pose a challenge for the Straw Hats. Meanwhile, Mama slips into a bout of…
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18x789
The Capital City Falls?! Big Mom and Jimbei!
The kitchen can’t keep up as Big Mom rampages through the Whole Cake Island in search of sweets! Fortunately, a familiar face across the waters has…
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18x790
The Emperor's Castle! Arriving at the Whole Cake Island!
As the Straw Hats draw closer to the Whole Cake Island, Pedro shares his sordid past in Big Mom’s territory - and hatches a plan to…
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18x791
A Mysterious Forest Full of Candies! Luffy vs. Luffy?!
Brook and Pedro head out in a submersible to infiltrate Big Mom's stronghold. Meanwhile Luffy, Nami, Chopper, and Carrot head into the island after Sanji, only…
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18x792
Mom's Assassin! Luffy and the Seducing Woods!
Lost in the bewildering woods and chasing after Sanji, Nami and the others find there's more than meets the eye in this upside-down part of the…
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18x793
A Seafaring Kingdom! Germa's King Judge!
Luffy continues through the mysterious woods, unaware of the danger lurking in the trees. Meanwhile, Sanji confronts his father as the wounds of his childhood are…
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18x794
A Battle Between Father and Son! Judge vs. Sanji!
Sanji faces off against his father in a duel! His powerful kicks aim at protecting his hands, but the Germa Family has more in store for…
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18x795
A Giant Ambition! Big Mom and Caesar!
Big Mom has Caesar Clown at her whims - and despite his bilking her out of countless amounts of money - she is ready to continue…
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18x796
The Land of Souls! Mom's Fatal Ability!
Finally Nami finds Luffy and recounts her harrowing tale of battling Brulee! Meanwhile the mysterious half-buried man comes clean about his true identity! But this must…
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18x797
A Top Officer! The Sweet 3 General Cracker Appears!
The identity of the enigmatic Pound, the man half-buried in the woods, is revealed, but his deep connection to Big Mom might not be enough to…
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18x798
An Enemy Worth 800 Million! Luffy vs. Thousand Armed Cracker!
Luffy squares off against Cracker, one of the Sweet 3 Generals, as Nami learns the truth about others in the Worst Generation who have come before…
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18x799
An All-out Duel! Gear Four vs. the Bis-Bis Ability
Luffy continues to fight Cracker, whose powers to manipulate his surroundings may prove more troublesome than he had thought. Meanwhile, Brook and Pedro infiltrate the Whole…
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18x800
The First and the Second Join! The Vinsmoke Family!
The wind starts to go out of Luffy's sails as he fights an endless army of Biscuit Warriors! Meanwhile, the oldest two Vinsmoke brothers come home…
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18x801
The Benefactor's Life! Sanji and Owner Zeff!
Luffy starts to run out of steam as the Biscuit Warriors keep multiplying! If he can buy himself 10 minutes to recharge... Meanwhile, Sanji squares off…
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18x802
An Angry Sanji! The Secret of Germa 66!
Luffy needs just 10 minutes to recharge! Nami comes to rescue with the help of the Homies! Meanwhile, Sanji learns the terrible truth of Germa's power…
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18x803
The Past that He Let Go of! Vinsmoke Sanji!
Nami challenges Cracker on her own! During the all-out fight, she losses her advantage and is close to defeat. Can Luffy bounce back in time? Meanwhile,…