One Piece: 1x31
The Worst Man in the Eastern Seas! Fishman Pirate Arlong!
The crew chases after Nami, who stole their ship, and Yosaku takes time during the trip to explain about Arlong and his Fishmen to Luffy and Sanji. Meanwhile, Usopp, Johnny, and Zoro arrive at the island Nami docked at.
1 - 1I'm Luffy! The Man Who Will Become the Pirate King! Oct. 20, 1999
1 - 2The Great Swordsman Appears! Pirate Hunter, Roronoa Zoro Nov. 17, 1999
1 - 3Morgan VS Luffy! Who`s This Beautiful Young Girl? Nov. 24, 1999
1 - 4Luffy's Past! The Red-haired Shanks appears Dec. 08, 1999
1 - 5Fear, Mysterious Power! Pirate Clown Captain Buggy! Dec. 15, 1999
1 - 6Desperate Situation! Beast Tamer Mohji vs Luffy! Dec. 29, 1999
1 - 7Grand Duel! Zoro the Swordsman vs Cabaji the Acrobat! Dec. 29, 1999
1 - 8
1 - 9The Honorable Liar? Captain Usopp! Jan. 12, 2000
1 - 10The Weirdest Guy Ever! Jango the Hypnotist! Jan. 19, 2000
1 - 11Expose the Plot! Pirate Butler, Captain Kuro! Jan. 26, 2000
1 - 12
1 - 13The Terrifying Duo! Meowban Brothers vs. Zoro! Feb. 09, 2000
1 - 14Luffy Back in Action! Miss Kaya's Desperate Resistance! Feb. 16, 2000
1 - 15Beat Kuro! Usopp the Man's Tearful Resolve! Feb. 23, 2000
1 - 16Protect Kaya! The Usopp Pirates' Great Efforts! Mar. 01, 2000
1 - 17Anger Explosion! Kuro vs. Luffy! How it Ends! Mar. 08, 2000
1 - 18
1 - 19The Three-Sword Style's Past! Zoro and Kuina's Vow! Mar. 22, 2000
1 - 20Famous Cook! Sanji of the Sea Restaurant! Apr. 12, 2000
1 - 21Unwelcome Customer! Sanji's Food and Ghin's Debt! Apr. 12, 2000
1 - 22The Strongest Pirate Fleet! Commodore Don Krieg! Apr. 26, 2000
1 - 23Protect Baratie! The Great Pirate, Red Foot Zeff! May. 03, 2000
1 - 24Hawk-Eye Mihawk! The Great Swordsman Zoro Falls At Sea! May. 10, 2000
1 - 25
1 - 26Zeff and Sanji's Dream! The Illusory All Blue! May. 24, 2000
1 - 27
1 - 28I Won't Die! Fierce Battle, Luffy vs. Krieg! Jun. 07, 2000
1 - 29
1 - 30Set Sail! The Seafaring Cook Sets Off With Luffy! Jun. 28, 2000
1 - 31
1 - 32Witch of Cocoyashi Village! Arlong's Female Leader! Jul. 19, 2000
1 - 33Usopp Dead?! When is Luffy Going to Make Landfall?! Jul. 19, 2000
1 - 34Everyone's Gathered! Usopp Speaks the Truth About Nami! Jul. 26, 2000
1 - 35Untold Past! Female Warrior Bellemere! Aug. 02, 2000
1 - 36Survive! Mother Bellemere and Nami's Bond! Aug. 09, 2000
1 - 37Luffy Rises! Result of the Broken Promise! Aug. 16, 2000
1 - 38Luffy in Big Trouble! Fishmen vs. The Luffy Pirates! Aug. 23, 2000
1 - 39Luffy Submerged! Zoro vs. Hatchan the Octopus! Aug. 30, 2000
1 - 40Proud Warriors! Sanji and Usopp's Fierce Battles! Sep. 06, 2000
1 - 41
1 - 42Explosion! Fishman Arlong's Fierce Assault From the Sea! Sep. 27, 2000
1 - 43End of the Fishman Empire! Nami's My Friend! Sep. 27, 2000
1 - 44
1 - 45Bounty! Straw Hat Luffy Becomes Known to the World! Oct. 25, 2000
1 - 46Chase Straw Hat! Little Buggy's Big Adventure! Nov. 01, 2000
1 - 47The Wait is Over! The Return of Captain Buggy! Nov. 08, 2000
1 - 48
1 - 49Zoro's New Swords and the Woman Sergeant Major! Nov. 22, 2000
1 - 50Usopp vs. Daddy the Parent! Showdown at High! Nov. 29, 2000
1 - 51Fiery Cooking Battle? Sanji vs. The Beautiful Chef! Dec. 06, 2000
1 - 52
1 - 53The Legend Has Started! Head for the Grand Line! Jan. 10, 2001
1 - 54Precursor to a New Adventure! Apis, a Mysterious Girl! Jan. 17, 2001
1 - 55
1 - 56Eric Attacks! Great Escape From Warship Island! Jan. 31, 2001
1 - 57
1 - 58Showdown in the Ruins! Tense Zoro vs. Eric! Feb. 21, 2001
1 - 59
1 - 60
1 - 61An Angry Showdown! Cross the Red Line! Mar. 07, 2001