, titled "The Betrayal of the Heroine! The Speculations of Nico Robin!" , is a pivotal episode in the Water 7 Arc that clarifies the motivations behind Robin's actions. Episode Summary
: You can watch the English dub of One Piece on Crunchyroll .
: Upon learning the truth, Nami realizes the crew must stop Robin before she is taken to Enies Lobby. She immediately searches for Chopper to help reunite the scattered crew and launch a rescue mission. Dub & Streaming Availability
: Robin believes her death is the only way to protect her friends from the relentless pursuit of the government, as her very existence is considered a crime.
: The series is also available on Netflix in various regions, though the number of available dubbed episodes may vary compared to Crunchyroll. Episode 251 | One Piece Wiki
: Iceburg reveals to Nami the true reason for Nico Robin’s "betrayal." He explains that Robin made a deal with CP9: she would turn herself over to the World Government and assist in recovering the ancient weapon Pluton's blueprints in exchange for the Straw Hats being allowed to leave Water 7 safely.
: As of early 2026, the English dub has progressed well into the Egghead Arc , with final batches expected to conclude the series' current English rollout by March 2026.
, titled "The Betrayal of the Heroine! The Speculations of Nico Robin!" , is a pivotal episode in the Water 7 Arc that clarifies the motivations behind Robin's actions. Episode Summary
: You can watch the English dub of One Piece on Crunchyroll . One Piece (Dub) Episode 251
: Upon learning the truth, Nami realizes the crew must stop Robin before she is taken to Enies Lobby. She immediately searches for Chopper to help reunite the scattered crew and launch a rescue mission. Dub & Streaming Availability , titled "The Betrayal of the Heroine
: Robin believes her death is the only way to protect her friends from the relentless pursuit of the government, as her very existence is considered a crime. : Upon learning the truth, Nami realizes the
: The series is also available on Netflix in various regions, though the number of available dubbed episodes may vary compared to Crunchyroll. Episode 251 | One Piece Wiki
: Iceburg reveals to Nami the true reason for Nico Robin’s "betrayal." He explains that Robin made a deal with CP9: she would turn herself over to the World Government and assist in recovering the ancient weapon Pluton's blueprints in exchange for the Straw Hats being allowed to leave Water 7 safely.
: As of early 2026, the English dub has progressed well into the Egghead Arc , with final batches expected to conclude the series' current English rollout by March 2026.