One Piece Live Action is an adaptation that will go down in history as one of the first examples of how love and care can make even the most controversial anime adaptations work. Not only was the first season a success, but the second season was even better, bolder, and bigger, improving on what came before. The live-action succeeds because it doesnโt aim to be a one-to-one adaptation of the anime and manga.
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The showrunners understood that the project needed its own identity, so incorporating changes for the live-action format was essential. Across the two seasons, the series features dozens of changes, condensing arcs and cutting some characters to help it stand on its own. However, so far, these seven are the biggest changes, for better or worse, that define the project.
7) Bartolomeo’s Involvement in the Louge Town

Bartolomeo, a character whose personality is built around his admiration for Luffy, isnโt introduced in the anime until after 600 episodes. By then, he is already established as Luffyโs fan because of the deeds Luffy has accomplished on his journey. However, the live-action builds a foundation for this dynamic by involving him in the events of Loguetown, where Luffy is almost executed.
This is a vital early moment in the series, highlighting how Luffyโs resolve, even in the face of death, is different. It stuns everyone watching, and having Bartolomeo present to witness it, using it as the foundation for his admiration, might be the biggest and most effective change.
6) Brook’s Introduction

Similar to Bartolomeoโs early introduction in One Piece Live-Action Season 2, the second episode also features a subtle early appearance of Brook, one of the Straw Hatsโ future members. In the anime, he isnโt introduced until after 300 episodes. However, given his connection to Laboon, the live-action placing Brook early and subtly hinting at that relationship adds greater depth for the future.
For live-action viewers, when Brook is properly introduced later, this detail will be appreciated, complementing the intricately woven narrative. While this may seem like a small change, it plays a big role in adding depth to future seasons.
5) Emphasis on Garp and Roger’s Relationship

Some elements in the One Piece anime and manga arenโt explored until much later in the story. However, since these have already been revealed in the source material, the live-action effectively uses them to add more depth, especially through Garp and Rogerโs involvement. The anime and manga never show Garp present at Rogerโs execution, but the live-action highlights their interaction during this pivotal moment.
Season 2 takes this even further by introducing key elements like the God Valley Incident and Rogerโs son, crucial parts of the narrative that werenโt revealed until much later in the source material. By bringing these in early and emphasizing Garp and Rogerโs relationship, the live-action delivers one of its best changes so far.
4) Crocus Isn’t Living Inside Laboon

One of the concerns fans had was how Crocusโ living situation would be portrayed in the live-action, and it ultimately chose a more grounded approach by having him live outside Laboon rather than inside him, as in the source material. There are many arguments around this change, especially since Crocus living inside Laboon was a subtle detail that reflected their unique relationship and dynamic.
While some agree that having him live outside is a better decision, the live-action doesnโt completely discard the idea, as Usopp mentions that Crocus could live in Laboonโs stomach. This leaves room for the possibility of exploring it in the future.
3) Truth About Luffy and Garp’s Relationship

Perhaps the biggest change in One Piece Live-Action Season 1 is how the truth about Luffy and Garp is revealed. In the source material, this isnโt disclosed until much later, along with another crucial detail about Luffyโs father. However, the live-action chooses to reveal early that Garp is Luffyโs grandfather, presenting it within a rebellious grandfatherโgrandson dynamic.
This is a change that many original fans have struggled to adjust to. Itโs clear the live-action doesnโt have the liberty to introduce characters once and then leave them absent for hundreds of chapters. As a result, Garp and Koby have a much larger presence in the first season, which leads to the early reveal of their relationship with Luffy. Like it or not, this pattern extends to other characters as well, and itโs something fans will need to get familiar with.
2) Merry’s Death

One of the common complaints among One Piece fans is its lack of character deaths, despite spanning hundreds of chapters. While many characters are placed in grave situations, the series rarely follows through with actual deaths. Because of this, itโs refreshing to see the live-action not shy away from it, and choosing Merry for Season 1 was a brilliant decision.
Given that Merry took care of the ship the Straw Hats would eventually sail on, naming it after him as a way to honor his legacy adds even more depth. In the long run, this foundation could make one of the seriesโ saddest moments even more emotional.
1) Mature Luffy

By far the most challenging aspect of the live-action was bringing its characters to life while preserving their charm, and among them, Luffy was always going to be the biggest challenge. The series seems to recognize that directly copying Luffy from the manga and anime wouldnโt work, which is why this version of Luffy is more mature. A one-to-one portrayal simply wouldnโt translate well into a live-action setting.
However, that doesnโt mean the live-action Luffy is drastically different. He still captures the charm, naivety, and spontaneity of the character, but these traits are balanced with a slightly more mature tone that suits the format. This stands as the biggest change in One Piece Live-Action so far, and since it works so well, it plays a major role in the seriesโ success.
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