One Piece Episode 31 Apr 2026

The episode follows the Straw Hat crew as they track Nami to , the stronghold of a notorious Fish-man pirate named Arlong.

: The episode establishes Arlong as a formidable villain from the Grand Line, possessing strength that far surpasses previous foes like Don Krieg. It also introduces the concept of Fish-men as a superior race with biological advantages like underwater breathing and immense physical power.

: Reviewers from sites like Rotten Tomatoes and IMDb often cite this episode as the moment where the stakes of the "East Blue Saga" feel truly high, beginning Nami's redemption arc. Episode 31 | One Piece Wiki | Fandom One Piece Episode 31

: Major antagonists such as Chew, Kuroobi, and Hatchan are introduced as the high-ranking members of the Arlong Pirates. Production and Significance

One Piece Episode 31, titled marks a pivotal transition as the series enters the Arlong Park Arc . First aired in Japan on July 12, 2000, this episode shifts the tone from the lighthearted high-seas adventure of earlier arcs into a darker, more personal conflict centered on Nami's mysterious past. Plot Summary and Key Conflicts The episode follows the Straw Hat crew as

: In the manga, Nami's foster mother, Bell-mère, is shot in the head during flashbacks; however, the anime (and this episode's context) censors this to a shot in the chest.

: This episode is the first to feature "RUN! RUN! RUN!" as the ending theme, which became a staple for the series' first major saga. : Reviewers from sites like Rotten Tomatoes and

: While attempting to scout the base, Roronoa Zoro is captured by Arlong’s subordinates. During his interrogation, Zoro is shocked to discover that Nami is apparently an officer and cartographer in Arlong’s crew.