At the Sabaody Archipelago, Caribou has his men bury the Fake Straw Hats and departs to find the real Straw Hats. Rayleigh learns that Luffy's Straw Hat actually belonged to Roger when he was a member of his crew. Meanwhile, the Straw Hats explore the vast regions of the deep ocean. Nami reveals that if too many holes are created, the coating will burst and destroy the ship. Franky reveals that Hatchan was taken to Fishman Island, as he was seriously injured when the Marines tried to claim the Thousand Sunny. It is also revealed that Kuma informed Rayleigh that he sent them away to help the Straw Hats, as he is a revolutionary. Kuma was eventually reprogrammed to protect the Thousand Sunny until the Straw Hats' arrival at Sabaody. The Straw Hats soon realize that they are being followed by Caribou. Using Mohmoo as a steed, Caribou and his men prepare to launch a preemptive strike.

The episode was rated 8.07 from 95 votes.

Luffy battles Kraken Sea Octopus Monster with his newly acquired Elephant Gun. Zoro helps out with his new sword technique and Sanji contributes with his new Drible Jumble. The trio beats the Kraken and follows a shark named Megalo to the Fishman Island. The rest od the Strawhats battle more sea monsters including Ankoro, who wants to eat them.

The episode was rated 8.07 from 94 votes.

All of the New Fishman Pirates lie down defeated while the Straw Hat Pirates are relaxing and waiting for Luffy. All the citizens of Fishman Island are cheering for him to destroy Noah and thus saving them. While some citizens evacuate the island, some recall how Whitebeard also saved the island at a point in the past and how Luffy reminds them of him. Luffy keeps attacking Noah intent on destroying it while Neptune laments being unable to keep the promise with Joy Boy stating there is no choice but to destroy it. As Luffy continues to destroy the Noah, Shirahoshi jumps in front of him telling him to stop which he eventually does. He realizes that Noah has been brought to a halt by Sea Kings. However, he suddenly faints, falling back down to the Noah. The Sea Kings acknowledge the strength of Luffy's will. After everyone understands that Noah has been stopped, they start celebrating.

The episode was rated 8.09 from 100 votes.

Hody recovers thanks to the Energy Steroids and manages to overwhelm Luffy and bite him again in the same spot. Luffy retorts with another Red Hawk, but Hody is still standing. Chopper reveals he now only needs one Rumble Ball for his Monster Point. Usopp, Franky, Sanji and Jinbe prepare to end things with their opponents. Luffy attacks Hody with Elephant Gun and Hody is sent crashing into the Noah and is finally defeated and wishes for the Noah to destroy the island and all the Fishman who've lost their pride. Brook finishes Zeo off. Usopp finishes Daruma off. Chopper finishes Dosun off with his claws. Franky blasts Ikaros Much with his laser beam. Jinbe sends Wadatsumi flying and Sanji finishes him off. Hyouzou attempts to attack Zoro from behind only for Zoro to counter and destroy his swords again and defeat him thinking he was a frog. Luffy uses Elephant Gatling on the ship and Hody is blasted out unconscious as Luffy attempts to destroy the ship.

The episode was rated 8.11 from 98 votes.

The Caribou Pirates attack the Straw Hats. While Caribou manages to get on the Thousand Sunny, the rest of his crew gets pulled away by Mohmoo, who gets scared when he recognises the Straw Hats. Caribou is left alone and, as a result, is captured by the Straw Hats. The Straw Hats come across the Kraken, which destroys the ship of the Caribou Pirates, who returned to save their captain, and then attacks Thousand Sunny. The Straw Hats manage to avoid its attacks and Luffy, along with Zoro and Sanji, are getting ready to fight it.

The episode was rated 8.15 from 99 votes.

With the Sea Kings having stopped and saved the great ship Noah, Shirahoshi learns a startling secret from the Sea Kings. Meanwhile, the missing and captured mermaids have been found but they have been replaced with some other valuable items from the Palace. The remaining humans and New Fishman Pirates are being rounded up and caught by the Strawhat Crew and Jinbe, while Shirahoshi rescues a collapsed and unconsious Luffy from Noah's remains. However, if Luffy is to survive from his injuries taken from his battle with Hody Jones and his unsuccsessful destruction of Noah, the only thing that can save him is a blood transfusion, but the merfolk are reluctant to donate blood as it is forbidden in Fishman Island to give blood to a human. Jinbe volunteers, stating that he is a pirate. The episode ends with Luffy asking Jinbe to join his crew.

The episode was rated 8.15 from 105 votes.

Using a fake disguise provided by Hancock, Luffy and the Kuja tribe go their separate ways and he confronts the Fake Straw Hats. At Shakky's bar, Sanji thanks Duval for his efforts in protecting the Thousand Sunny. Rayleigh tells the cook that he was the seventh to come here. However, Luffy and Robin have not shown up yet. Chopper discovers another group of Fake Straw Hats and follows them, not realizing that they are the fake ones. While Robin continues to evade the government agents from capturing her, Luffy uses his Haki techniques to defeat Fake Luffy's group. Meanwhile, the government agents capture the Fake Robin. Sanji learns about what has happened to Zoro from a fisherman. While talking to the fisherman, Sanji finally discovers Zoro as he destroys the ship he was in.

The episode was rated 8.18 from 108 votes.

Franky gathers Nami, Usopp and Chopper onto the Sunny, emerging with new battle vehicles from the now-active Docks 4 and 5!

The episode was rated 8.19 from 91 votes.

While Chopper takes on Daruma's underground digging. Franky combines with his vehicles in a way never witnessed before by the Strawhats... Battle-ready Franky takes an all-new form!

The episode was rated 8.24 from 98 votes.

As Zoro and Sanji display the results of their years of training, each reminisces on the driving forces that led to their newfound skills.

The episode was rated 8.27 from 96 votes.

Shirahoshi reveals that Megalo witnessed the assassination and told her about it. Hordy attacks Neptune and Fukaboshi, Manboshi and Ryuboshi. Shirley informs a group of children that her predictions do not give out dates and the citizens call for Luffy to destroy the island. Just when Hordy is about to kill Neptune, Megalo finally spits out Luffy. Luffy hits Hordy with a single kick in the chest. Using Nami's Mirage Tempo technique, Nami grabs the Celestial Dragon's letter and a group of keys to the royal family's shackles. As Robin releases the royal family and Jimbei, Franky uses the Gaon Cannon on the New Fishmen Pirates and Hoe flees with the princes. The Straw Hats regroup and Luffy tells the island's citizens to decide whether they are friend or foe.

The episode was rated 8.31 from 101 votes.

After Luffy and Rayleigh go their separate ways, Rayleigh draws a line to prevent the Marines from coming any further to the Straw Hats. However, Perona appears and it is revealed that a battleship is headed for the Thousand Sunny. Meanwhile, Brook boards the Thousand Sunny. Using one of his birds, Chopper returns to the Thousand Sunny with Sanji, Luffy and Zoro on board, but as soon as they finally reunite, the Thousand Sunny is attacked. Hancock stops the Marines from harming the Straw Hats and Sanji is dismayed at Luffy for befriending the Snake Princess. Meanwhile, Heracles uses his beetles to crush a Marine squadron, Haredas uses the weather technology to distract another squadron. Franky goes underwater and uses the airbag to create a bubble to prepare the ship for the deep oceans. Chopper's bird attacks another battleship, Sanji destroys another ship by deflecting a cannonball and the Okamas defeat another Marine squadron. Luffy and the others finally leave the Sabaody Archipelago for Fishman Island.

The episode was rated 8.38 from 104 votes.

Two years have passed since the incident at Marineford, and the Straw Hat Pirates have since trained for their return. Luffy departs Ruskaina to the Sabaody Archipelago to reunite with his crew and Zoro visits Rayleigh and Shakky in her bar. At a local tavern, Nami learns the Marines have switched their headquarters with their G1 Branch to be next to the Four Emperors. At the Sabao Dome, Brook holds his farewell concert as the Soul King and Sanji and the Okamas go their separate ways. Nami refuses to join a group of pirates who say they are the Straw Hats, but as soon as she is threatened, Usopp shoots down the fake pirates. Nami and Usopp finally reunite and Usopp reveals his new Pop Green weapon. Nami and Usopp flee, but not before she launches Weather Balls at the pirates. As the Marines is summoned to the archipelago to capture Luffy, Robin discovers Brook's concert pamphlet and a recruitment notice with two World Government agents in hot pursuit, Franky waits with the coated Thousand Sunny, and Chopper is excited at the Straw Hats' reunion. Just as the fake Straw Hats try to find Nami and Usopp, the real Luffy bumps into them.

The episode was rated 8.58 from 118 votes.

The citizens marvel and celebrate at the arrival of the Straw Hats. Jimbei reveals that he made an agreement with Luffy to become the hero of the island, as he does not want Luffy to be another brutal human. Brook, Zoro and Usopp reveal that they escaped from the palace with Pappagu. The rest of the New Fishman Pirates are not concerned with Hordy being hit by Luffy. Hordy seems to be not as harmed as he should have been. When Hordy mocks Luffy, claming that he will become the King of the Pirates, Luffy takes down half of Hordy's forces of 100,000 with his Haki technique and tells the fishman that he will become the King of the Pirates.

The episode was rated 8.60 from 108 votes.

After Brook escapes from the Marines at the Sabao Dome with a Rosy Life Rider, a riot is going on in the dome. Meanwhile, Luffy is caught before the Fake Straw Hats. However, the Marines confront them just as Caribou kills the injured Marine. Caribou refuses to cooperate with Fake Luffy and the Fake Straw Hats battle the Marines. The Pacifistas appear to defeat the Fake Straw Hats and discovers the real Luffy and knocks down Doughty. Sentomaru catches the Fake Straw Hats, and promptly defeats the Fake Luffy, exposing him as Demalo Black. Just as Luffy reveals himself as the real one and destroys PX-5 with his new abilities, Sanji and Zoro reunite with Luffy and destroys PX-7 together. When Luffy, Zoro and Sanji meet up with Rayleigh, Luffy proclaims that he will become King of the Pirates.

The episode was rated 8.65 from 123 votes.