Due to the nature of the tale being told, One Piece is like an epic voyage of the imagination, traversing an infinite sea of adventures, stories, characters, and all manner of interesting and intriguing phenomena. The sagas that compose the entire arc of the story have varying antagonists, companions, and indigenous pivotal stories that are important for the characters like Luffy as well as the crew of the Going Merry, and the new islands have to offer different angry scoundrels and companions, and various indigenous, antagonistic characters.

East Blue Saga

This saga gives an introduction to Luffy as well as to the first few crew members. These are some of the first arcs of the series and they built the foundation of the story as well as giving a foreshadow of the adventures to come from Luffy's starting point to when he sets off to the Grand Line.

Arcs & Episodes:

• Romance Dawn Arc: E1–3
• Orange Town Arc: E4–8
• Syrup Village Arc: E9–18
• Baratie Arc: E19–30
• Arlong Park Arc: E31–44
• Loguetown Arc: E45, 48–53
• Buggy’s Solo Adventure (Mini-Arc): E46–47
• Warship Island Arc: E54–61

Arabasta Saga

No other series has provided Luffy and crew straw hats such great adventures than the new world part of One piece. The straw hats are now in more dangerous seas and facing stronger foes. They are also gaining new allies and are becoming embroiled in much larger than life conflicts.

Arcs & Episodes:

• Reverse Mountain Arc: E61–63
• Whisky Peak Arc: E64–67
• Diary of Koby-Meppo: E68–69
• Little Garden Arc: E70–77
• Drum Island Arc: E78–91
• Arabasta Arc: E92–130
• Post-Arabasta Arc: E131–135

Sky Island Saga

One Piece was fully active in adventure mode in Sky Island Saga. This Saga brings the Straw Hats from the seas to the fabled lands in the sky. There is the exploration of battles and one of the unique settings in the entire series.

Arcs & Episodes:

• Goat Island Arc: E136–138
• Ruluka Island Arc: E139–143
• Jaya Arc: E144–152
• Skypiea Arc: E153–195
• G-8 Arc: E196–206

Water 7 Saga

One of the series' most loved sagas, the Water 7 emotional stakes storytelling. Friendships are tested, mysteries are revealed, and powerful new enemies are met by the Straw Hats in one of the most dramatic stretches of the anime.

Arcs & Episodes:

• Long Ring Long Land / Foxy’s Return: E207–219, 225–228
• Ocean’s Dream Arc: E220–224
• Water 7 Arc: E229–263
• Enies Lobby Arc: E264–290, 293–302, 304–312
• Boss Luffy Historical Specials: E291–292, 303, 406–407
• Post-Enies Lobby Arc: E313–325

Thriller Bark Saga

This story is centered around a voyage on a boat that becomes a gothic and eerie island with strange magic, unsettling tests, and the living dead. Although it is on the shorter side, the story is quite endearing and touching.

Arcs & Episodes:

• Ice Hunter Arc: E326–335
• Chopper Man Special: E336
• Thriller Bark Arc: E337–381
• Spa Island Arc: E382, 384

Summit War Saga

The stakes become extremely high here. The Summit War Saga intertwines many plot lines, broadens the world even further, and then flows into one of the most significant occurrences in the entire series. Major plot twists and battles, as well as emotional tolls, should be expected.

Arcs & Episodes:

• Sabaody Archipelago Arc: E385–405
• Amazon Lily Arc: E408–421
• Straw Hat Separation Episodes: E418–421, 453–456
• Impel Down Arc: E422–425, 430–452
• Little East Blue: E426–429
• Marineford Arc: E457–489
• Post-War Arc: E490–491, 493–516

Fish-Man Island Saga

A fresh start after a major turning point in the story. With power-ups, reunions, and a brand-new underwater world, the Straw Hats dive straight into a conflict tied to deep history and long-standing tension.

Arcs & Episodes:

• Return to Sabaody Arc: E517–522
• Fish-Man Island Arc: E523–541, 543–574

Dressrosa Saga

Straw Hats face even more perilous difficulties than before as they enter the New World. This Saga brings in new Alliances, darker themes, and has some of the most extensive and elaborative arcs in the anime.

Arcs & Episodes:

• Z’s Ambition Arc: E575–578
• Punk Hazard Arc: E579–589, 591–625
• Caesar Retrieval Arc: E626–628
• Dressrosa Arc: E629–746

Whole Cake Island Saga

This series explores the world of Yonko while integrating emotions and the personal stories of Sanji and the rest of the crew. Sanji steals the spotlight to tell the tale of even more adventures.

Arcs & Episodes:

• Silver Mine Arc: E747–750
• Zou Arc: E751–779
• Marine Rookie Arc: E780–782
• Whole Cake Island Arc: E783–877
• Levely Arc: E878–889

Wano Country Saga

One Piece has never had an arc as long as Wano and as full of adventures as it is. With the inclusion of Samurai culture, the arc is mainly centered around the themes of battle, rebellion, worldbuilding, and contains an incredible storyline. It shifts the focus of the characters and the world. It brings a huge set of focus to the characters and thus that's what makes it an unforgettable and incredible arc.

Arcs & Episodes:

• Wano Country Arc: E890–894, 897–906, 908–1028, 1031–1085
• Cidre Guild Arc: E895–896
• Uta’s Past Arc: E1029–1030

Final Saga

The last stretch of One Piece has just started. Decades of built up mystery are finally coming to an end. With every passing chapter, we are taken one step closer to discovering the truth of the One Piece along with the Straw Hats. New mysteries to uncover, new enemies we must face, and new major revelations to be revealed.

Arcs & Episodes:

• Egghead Arc E1086–1125
• Elbaph Arc: E1126–unknown

Despite One Piece's massive length, its arcs can be followed in an order which results in a much more enjoyable viewing experience than simply starting at the beginning. Every single saga expands the world building, enhances the character development, and bridges the story to the next climax.