10 One Piece Fillers You Need To Watch

The One Piece series, known for its extensive and intricate storyline, has been a favorite among anime fans for decades. While the main storyline is captivating, the fillers can sometimes be hit or miss. However, there are several filler episodes and arcs that are not only enjoyable but also add depth to the overall narrative. Here, we will explore 10 One Piece fillers that you need to watch, each bringing its unique charm and value to the table.
Key Points
- The One Piece fillers offer additional character development and backstory.
- Some fillers introduce new characters that become significant in the main storyline.
- Filling episodes provide comic relief and lighthearted moments.
- Certain fillers explore themes and moral lessons not fully delved into in the main arcs.
- Filler arcs can serve as a bridge between major storylines, enhancing the viewing experience.
Introduction to One Piece Fillers

One Piece, with its vast array of characters and storylines, often incorporates filler episodes to give the manga artists time to produce more content or to add unique twists to the anime adaptation. While some fans might skip these episodes to focus on the main storyline, doing so could mean missing out on valuable character insights, humorous moments, and intriguing side stories.
Warship Island Arc
This arc, which consists of episodes 136-138, is a significant filler that showcases the Straw Hat Pirates’ encounter with a warship. What makes this arc interesting is its focus on the themes of war, sacrifice, and the consequences of one’s actions. The Warship Island Arc provides a somber and reflective tone, contrasting with the series’ usual lightheartedness.
Post-Alabasta Arc
Episodes 131-135 make up the Post-Alabasta Arc, a filler that delves into the aftermath of the Alabasta storyline. This arc is notable for its character development, particularly in how it portrays the Straw Hats dealing with the repercussions of their actions in Alabasta. It offers a deeper look into the characters’ emotional states and relationships.
Goat Island Arc
The Goat Island Arc, spanning episodes 206-207, is a short but amusing filler. It focuses on the Straw Hats’ visit to an island inhabited by goats with unique abilities. This arc is primarily comedic, providing a much-needed break from the intense storylines surrounding it.
Ratchet Arc
Episodes 213-214 constitute the Ratchet Arc, another filler that, although short, contributes to the series’ lightheartedness. The story revolves around the Straw Hats’ attempt to help a group of people being terrorized by a World Noble. The Ratchet Arc is significant for its portrayal of the World Nobles’ cruelty and the Straw Hats’ unwavering commitment to justice.
Little East Blue Arc
This filler, which includes episodes 426-429, is part of the Fishman Island Arc but serves as a unique storyline on its own. It explores an alternate reality where the Straw Hats never met and how their lives would have turned out. The Little East Blue Arc offers an intriguing “what if” scenario, allowing viewers to see their favorite characters in a completely different context.
Fiore Arc
Episodes 226-228 make up the Fiore Arc, a filler that stands out for its focus on Chopper and his desire to become a true doctor. This arc is emotionally engaging, as it delves into themes of friendship, perseverance, and the pursuit of one’s dreams. The Fiore Arc is a heartwarming addition to the series.
Ice Hunter Arc
The Ice Hunter Arc, spanning episodes 326-327, is a brief filler that follows the Straw Hats as they help a group of people being hunted for their ability to produce and control ice. This arc, although short, highlights the Straw Hats’ empathy and willingness to protect those in need.
Z’s Ambition Arc
This filler, which includes episodes 575-578, is part of the Dressrosa Arc and focuses on Zephyr, a character from Trafalgar Law’s past. The Z’s Ambition Arc is significant for its exploration of Law’s backstory and his relationship with Zephyr, adding depth to Law’s character and motivations.
Coby Arc
Episodes 279-283 constitute the Coby Arc, a filler that centers around Coby’s adventures after the Water 7 Arc. This arc is crucial for its portrayal of Coby’s growth and his encounters with other significant characters in the series. It bridges the gap between Coby’s introduction and his future appearances, making it a valuable watch for fans invested in his character development.
Episode of Merry
The Episode of Merry, which corresponds to episode 426 in the anime, is a special filler episode that tells the story of the Straw Hats’ adventures from the perspective of their ship, the Thousand Sunny’s predecessor, the Going Merry. This episode is emotionally charged, as it explores the bond between the Straw Hats and their ship, culminating in a heart-wrenching conclusion.
Filler Arc/Episode | Episode Numbers | Significance |
---|---|---|
Warship Island Arc | 136-138 | Exploration of war themes and character development |
Post-Alabasta Arc | 131-135 | Character development and emotional aftermath of Alabasta |
Goat Island Arc | 206-207 | Comedic relief and lighthearted storyline |
Ratchet Arc | 213-214 | Portrayal of World Nobles' cruelty and Straw Hats' justice |
Little East Blue Arc | 426-429 | "What if" scenario exploring alternate character developments |
Fiore Arc | 226-228 | Chopper's character development and themes of friendship and perseverance |
Ice Hunter Arc | 326-327 | Straw Hats' empathy and protection of the hunted |
Z's Ambition Arc | 575-578 | Exploration of Law's backstory and character depth |
Coby Arc | 279-283 | Coby's growth and encounters with significant characters |
Episode of Merry | 426 | Emotional exploration of the Straw Hats' bond with their ship |

In conclusion, while the main storyline of One Piece is undoubtedly captivating, the fillers should not be overlooked. Each of the 10 fillers mentioned brings its unique value to the series, whether through character development, thematic exploration, or simply by providing a much-needed break from the intensity of the main arcs. For a comprehensive and fulfilling viewing experience, incorporating these fillers into your watchlist is highly recommended.
What are One Piece fillers, and why are they important?
+One Piece fillers are episodes or arcs not originally part of the manga but added to the anime adaptation. They are important because they provide additional character development, explore unique storylines, and offer comic relief or thematic depth that complements the main narrative.
How do fillers contribute to the overall One Piece storyline?
+Fillers contribute by adding depth to characters, introducing new themes or storylines, and sometimes bridging gaps between major arcs. They enhance the viewing experience by providing variety and allowing for more detailed exploration of the One Piece universe.
Are all One Piece fillers worth watching?
+While