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Looking for filler episodes? View the filler guide.
| # | Title | Aired | Type |
|---|---|---|---|
| 401 | No Escape!? Admiral Kizaru's Light Speed Kick!! | May 17, 2009 | Canon |
| 402 | Overwhelming! The Navy's Fighting Weapons, the Pacifistas | May 24, 2009 | Canon |
| 403 | An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru | May 31, 2009 | Canon |
| 404 | Admiral Kizaru's Fierce Assault! The Straw Hats Face Certain Death! | Jun 7, 2009 | Canon |
| 405 | Eliminated Friends: The Final Day of the Straw Hat Crew | Jun 14, 2009 | Canon |
| 406 | Feudal Era Side Story: Boss Luffy Appears Again | Jun 21, 2009 | Filler |
| 407 | Feudal Era Side Story: Defeat Thriller Company's Trap | Jun 28, 2009 | Filler |
| 408 | Landing! The All-Female Island, Amazon Lily | Jul 5, 2009 | Canon |
| 409 | Hurry Back to Your Friends! The Maiden Island Adventure | Jul 12, 2009 | Canon |
| 410 | Everyone Falls in Love! Pirate Empress Hancock | Jul 19, 2009 | Canon |
| 411 | The Secret Hidden on the Backs – Luffy and the Snake Princess Meet | Aug 2, 2009 | Canon |
| 412 | Heartless Judgment! Margaret is Turned to Stone!! | Aug 9, 2009 | Canon |
| 413 | A Difficult Fight for Luffy! The Snake Sisters' Haki Power!! | Aug 16, 2009 | Canon |
| 414 | All-Out Special Power Battle!! Gum-Gum vs. Snake-Snake | Aug 23, 2009 | Canon |
| 415 | Hancock's Confession – The Sisters' Abhorrent Past | Aug 30, 2009 | Canon |
| 416 | Saving Ace! The Next Stop: the Great Prison! | Sep 6, 2009 | Canon |
| 417 | Love is a Hurricane! Hancock Madly in Love! | Sep 13, 2009 | Canon |
| 418 | The Friends' Whereabouts – The Science of Weather and the Mechanical Island | Sep 20, 2009 | Canon |
| 419 | The Friends' Whereabouts! An Island of Giant Birds and a Pink Paradise! | Sep 27, 2009 | Canon |
| 420 | The Friends' Whereabouts – Bridging the Islands and Vicious Vegetations! | Oct 4, 2009 | Canon |
| 421 | The Friends' Whereabouts! A Princess Negativity and the King of Demons! | Oct 11, 2009 | Canon |
| 422 | A Deadly Infiltration! The Underwater Prison Impel Down! | Oct 18, 2009 | Canon |
| 423 | A Reunion in Hell?! The Man Who Ate the Chop-Chop Fruit! | Oct 25, 2009 | Canon |
| 424 | Break Through the Crimson Hell! Buggy's Chaos-Inducing Plan! | Nov 1, 2009 | Canon |
| 425 | The Strongest Man in the Prison! Poison Man Magellan Appears! | Nov 8, 2009 | Canon |
| 426 | A Special Presentation Related to the Movie! A Gold Lion's Ambition on the Move! | Nov 15, 2009 | Filler |
| 427 | A Special Presentation Related to the Movie! Little East Blue in Danger! | Nov 22, 2009 | Filler |
| 428 | A Special Presentation Related to the Movie! The Fierce Onslaught of the Amigo Pirates! | Nov 29, 2009 | Filler |
| 429 | A Special Presentation Related to the Movie! Decisive battle! Luffy vs. Largo | Dec 6, 2009 | Filler |
| 430 | The Imprisoned Warlord! Jinbei, Knight of the Sea! | Dec 13, 2009 | Canon |
| 431 | Chief Jailer Saldeath's Trap! Level 3 - Starvation Hell! | Dec 20, 2009 | Canon |
| 432 | The Unleashed Swan! A Reunion with Bon Clay! | Dec 27, 2009 | Canon |
| 433 | Warden Magellan's Strategy! Straw Hat Entrapment Completed! | Jan 10, 2010 | Canon |
| 434 | All Forces Have Gathered! The Battle on Level 4 - The Burning Heat Hell! | Jan 17, 2010 | Canon |
| 435 | Mighty Magellan! Bon Clay Bugs Out! | Jan 24, 2010 | Canon |
| 436 | The Showdown Has Come! Luffy's Desperate Last Attack! | Jan 31, 2010 | Canon |
| 437 | For His Friend! Bon Clay Goes to the Deadly Rescue! | Feb 7, 2010 | Canon |
| 438 | A Paradise in Hell! Impel Down - Level 5.5! | Feb 14, 2010 | Canon |
| 439 | Luffy's Treatment Begins! Ivan-san's Miraculous Power! | Feb 21, 2010 | Canon |
| 440 | Believe in Miracles! Bon Clay's Cries From the Heart! | Feb 28, 2010 | Canon |
| 441 | Luffy's Back! Ivan-san Begins the Breakout Plan! | Mar 7, 2010 | Canon |
| 442 | Ace's Convoy Begins! Battle on the Lowest Floor - Level 6! | Mar 14, 2010 | Canon |
| 443 | The Ultimate Team Has Formed! Shaking Impel Down! | Mar 21, 2010 | Canon |
| 444 | Even More Chaos! Here Comes Blackbeard Teach! | Mar 28, 2010 | Canon |
| 445 | The Dangerous Encounter! Blackbeard and Shiryu of the Rain! | Apr 4, 2010 | Canon |
| 446 | No Price Too High! Serious Hannyabal! | Apr 11, 2010 | Canon |
| 447 | Jet Pistol of Anger! Luffy vs. Blackbeard! | Apr 18, 2010 | Canon |
| 448 | Stop Magellan! Ivan-san's Esoteric Technique Explodes! | Apr 25, 2010 | Canon |
| 449 | Magellan's Tricky Move! A Foiled Escape Plan! | May 2, 2010 | Canon |
| 450 | The Escapee Team in Trouble! The Forbidden Move: Venom Demon! | May 9, 2010 | Canon |
| 451 | Come, Final Miracle! Break Through the Gate of Justice! | May 16, 2010 | Canon |
| 452 | To the Navy Headquarters! Off to Rescue Ace! | May 23, 2010 | Canon |
| 453 | The Friends' Whereabouts! The Weatheria Report and the Cyborg Animals! | May 30, 2010 | Canon |
| 454 | The Friends' Whereabouts! A Cheeper of Giant Birds and a Pink Showdown! | Jun 6, 2010 | Canon |
| 455 | The Friends' Whereabouts! Revolutionaries and the Gorging Forest's Trap | Jun 13, 2010 | Canon |
| 456 | The Friends' Whereabouts! A Huge Tomb and the Panty Debt! | Jun 20, 2010 | Canon |
| 457 | A Special Retrospective Before Marineford! The Vow of the Brotherhood! | Jun 27, 2010 | Canon |
| 458 | A Special Retrospective Before Marineford! The Three Navy Admirals Come Together! | Jul 11, 2010 | Canon |
| 459 | Ticking Down to the Time of Battle! The Navy's Strongest Lineup in Position! | Jul 18, 2010 | Canon |
| 460 | A Vast Fleet Appears! Here Come the Whitebeard Pirates! | Aug 1, 2010 | Canon |
| 461 | The Beginning of the War! Ace and Whitebeard's Past! | Aug 8, 2010 | Canon |
| 462 | The Force That Could Destroy the World! The Power of the Tremor-Tremor Fruit! | Aug 15, 2010 | Canon |
| 463 | An All-Consuming Inferno!! Admiral Akainu's Power! | Aug 22, 2010 | Canon |
| 464 | A Descendant of the Beast! Little Oars Jr. - Full Speed Ahead! | Aug 29, 2010 | Canon |
| 465 | Justice For the Winners! Sengoku's Strategy in Action! | Sep 5, 2010 | Canon |
| 466 | Straw Hat Team Arrives! Tension Grows at the Battlefield | Sep 12, 2010 | Canon |
| 467 | Even If It Means Death! Luffy vs. the Navy; The Battle Starts! | Sep 19, 2010 | Canon |
| 468 | Hard Battles, One After Another! Devil Fruit Users vs. Devil Fruit Users! | Sep 26, 2010 | Canon |
| 469 | Kuma's Transformation! Ivan-san's Blow of Anger! | Oct 3, 2010 | Canon |
| 470 | The Great Swordsman Mihawk! Luffy Comes Under the Attack of the Black Sword! | Oct 10, 2010 | Canon |
| 471 | The Extermination Strategy in Action! The Power of the Pacifistas! | Oct 17, 2010 | Canon |
| 472 | Akainu's Plot! Whitebeard Entrapped! | Oct 24, 2010 | Canon |
| 473 | The Encircling Walls Activated! The Whitebeard Pirates Backed into a Corner!! | Oct 31, 2010 | Canon |
| 474 | Execution Order Issued! Break Through the Encircling Walls! | Nov 7, 2010 | Canon |
| 475 | Moving Into the Final Phase! Whitebeard's Trump Card for Recovery! | Nov 14, 2010 | Canon |
| 476 | Luffy at the End of his Tether! An All-Out Battle at the Oris Plaza! | Nov 21, 2010 | Canon |
| 477 | The Power That Will Shorten One's Life! Energy Hormone, Redux! | Nov 28, 2010 | Canon |
| 478 | To Live Up to a Promise! Luffy and Coby Collide! | Dec 5, 2010 | Canon |
| 479 | The Scaffold at Last! The Way to Ace Has Opened! | Dec 12, 2010 | Canon |
| 480 | Each on Different Paths! Luffy vs. Garp! | Dec 19, 2010 | Canon |
| 481 | Ace Rescued! Whitebeard's Final Order! | Dec 26, 2010 | Canon |
| 482 | The Power That Can Burn Even Fire! Akainu's Ruthless Pursuit! | Jan 9, 2011 | Canon |
| 483 | Looking for the Answer! Fire Fist Ace Dies on the Battlefield! | Jan 16, 2011 | Canon |
| 484 | The Navy Headquarters Falls! Whitebeard's Unspeakable Wrath! | Jan 23, 2011 | Canon |
| 485 | Ending the Matter! Whitebeard vs. The Blackbeard Pirates! | Jan 30, 2011 | Canon |
| 486 | The Show Begins! Blackbeard's Plot is Revealed! | Feb 6, 2011 | Canon |
| 487 | The Insatiable Akainu! Lava Fists Pummel Luffy! | Feb 13, 2011 | Canon |
| 488 | The Desperate Scream! Courageous Moments That Will Change the Future | Feb 20, 2011 | Canon |
| 489 | Here Comes Shanks! The War of the Best is Finally Over! | Mar 6, 2011 | Canon |
| 490 | Mighty Leaders Face Each Other Down! Heralding the New Era! | Mar 20, 2011 | Canon |
| 491 | Landing at the Maiden Island! The Harsh Reality Falls Upon Luffy! | Mar 27, 2011 | Canon |
| 492 | The Strongest Tag-Team! Luffy and Toriko's Hard Struggle! | Apr 3, 2011 | Filler |
| 493 | Luffy and Ace! The Story of How the Brothers Met! | Apr 10, 2011 | Canon |
| 494 | Here Comes Sabo! The Boy at the Gray Terminal! | Apr 17, 2011 | Canon |
| 495 | I Won't Run! Ace's Desperate Rescue Operation! | Apr 24, 2011 | Canon |
| 496 | To The Sea Someday! The Pledge of the Three Brats! | May 1, 2011 | Canon |
| 497 | Leaving the Dadan Family for Good?! The Kids' Hideout Has Been Built! | May 8, 2011 | Filler |
| 498 | Luffy Becoming an Apprentice?! A Man Who Fought Against the King of the Pirates! | May 15, 2011 | Filler |
| 499 | The Battle against the Big Tiger! Who is Going to be Captain?! | May 22, 2011 | Filler |
| 500 | Freedom Taken Away! The Nobles' Plot Closing in on the Brothers! | May 29, 2011 | Canon |