One Piece Anime Series
One Piece anime is based on manga series using the same title which is directed by Eiichirō Oda. The anime series 
however is directed by Konosuke Uda, Munehisa Sakai and Hiroaki Miyamoto, and produced by Toei which is started in Japan on Fuji TV on October 20, 1999. As of April 25, 2010, there has been 448 episodes released which is grouped or categorized by 13 seasons.
One Piece is about the challenging adventures of ambitious Monkey D. Luffy, who at 17 gained unnatural abilities by just by eating a magical fruit, and his shaggy or diverse crew of heroic pirates, named the Straw Hats. Luffy’s ultimate goal is to obtain the world’s ultimate treasure, One Piece. Luffy believes that by obtaining One Piece, he can be the next and greatest King of the Pirates.
List of Episodes:
One Piece Season 13
◊ One Piece Episode 508 – Back to the Captain – Jailbreak from Sky Island and the Incident on the Winter Island
◊ One Piece Episode 507 – Reunited with Dark King Rayleigh! Decision Time for Luffy!
◊ One Piece Episode 506 – Straw Hats in Shock! The Bad News Has Reached Them!
◊ One Piece Episode 505 – I Want to See Them! Luffy’s Mournful Cry!
◊ One Piece Episode 504 – To Live Up to the Promise! Departures of Their Own!
◊ One Piece Episode 503 – Take Good Care of Him! A Letter from the Brother!
◊ One Piece Episode 502 – Where can freedom be found? A Sad Departure of a Boy!
◊ One Piece Episode 501 – The Fire Has Been Set! The Gray Terminal in Crisis!
◊ One Piece Episode 500 – Freedom Taken Away! The Nobles’ Plot Closing in on the Brothers!
◊ One Piece Episode 499 – The Battle against the Big Tiger! Who is Going to be Captain?!
◊ One Piece Episode 498 – Luffy Becoming an Apprentice?! A Man Who Fought Against the King of the Pirates!
◊ One Piece Episode 497 – Leaving the Dadan Family for Good?! The Kids’ Hideout Has Been Built!
◊ One Piece Episode 496 – To The Sea Someday! The Pledge of the Three Brats!
◊ One Piece Episode 495 – I Won’t Run! Ace’s Desperate Rescue Operation!
◊ One Piece Episode 494 – Here Comes Sabo! The Boy at the Gray Terminal!
◊ One Piece Episode 493 – Luffy and Ace! The Story of How the Brothers Met!
◊ One Piece Episode 492 – The Strongest Tag-Team! Luffy and Toriko’s Hard Struggle!
◊ One Piece Episode 491 – Landing at the Maiden Island! The Harsh Reality Falls Upon Luffy!
◊ One Piece Episode 490 – Mighty Leaders face each Other down! Heralding the New Era!◊ One Piece Episode 489 – Enter Shanks! The Ultimate War Ends at Last
◊ One Piece Episode 488 – The Desperate Scream! Courageous Moments That Will Change the Future
◊ One Piece Episode 487 – The Insatiable Akainu! Lava Fists Pummel Luffy!
◊ One Piece Episode 486 – The Show Begins! Blackbeard’s Plot is Revealed!
◊ One Piece Episode 485 – Ending the Matter! Whitebeard vs. The Blackbeard Pirates!
◊ One Piece Episode 484 – The Navy Headquarters Falls! Whitebeard’s Unspeakable Wrath!
◊ One Piece Episode 483 – Looking for the Answer! Fire Fist Ace Dies on the Battlefield!
◊ One Piece Episode 482 – The Power That Can Burn Even Fire! Akainu’s Ruthless Pursuit!
◊ One Piece Episode 481 – Ace Rescued! Whitebeard’s Final Order!
◊ One Piece Episode 480 – Each on Different Paths! Luffy vs. Garp!
◊ One Piece Episode 479 – The Scaffold at Last! The Way to Ace Has Opened!
◊ One Piece Episode 478 – To Live Up to a Promise! Luffy and Coby Collide!
◊ One Piece Episode 477 – The Power That Will Shorten One’s Life! Energy Hormone, Redux!
◊ One Piece Episode 476 – Luffy at the End of his Tether! An All-Out Battle at the Oris Plaza!
◊ One Piece Episode 475 – Moving Into the Final Phase! Whitebeard’s Trump Card for Recovery!
◊ One Piece Episode 474 – Execution Order Issued! Break Through the Encircling Walls!
◊ One Piece Episode 473 – The Encircling Walls Activated! The Whitebeard Pirates Backed into a Corner!!
◊ One Piece Episode 472 – Akainu’s Plot! Whitebeard Entrapped!
◊ One Piece Episode 471 – The Extermination Strategy in Action! The Power of the Pacifistas!
◊ One Piece Episode 470 – The Great Swordsman Mihawk! Luffy Comes Under the Attack of the Black Sword!
◊ One Piece Episode 469 – Kuma’s Transformation! Ivan-san’s Blow of Anger!
◊ One Piece Episode 468 – Hard Battles, One After Another! Devil Fruit Users vs. Devil Fruit Users!
◊ One Piece Episode 467 – Even If It Means Death! Luffy vs. the Navy; The Battle Starts!
◊ One Piece Episode 466 – Hard Battles, One After Another! Devil Fruit Users vs. Devil Fruit Users!
◊ One Piece Episode 465 – Even If It Means Death! Luffy vs. the Navy; The Battle Starts!
◊ One Piece Episode 464 – Descendant of the Devil! Little Oars Jr. Rushes!
◊ One Piece Episode 463 – Burn Everyhing to Ash! Admiral Akainu’s ability
◊ One Piece Episode 462 – The Power to Destroy the World! The Ability of the Quake Fruit
◊ One Piece Episode 461 – The Beginning of the Battle! Whitebeard and Ace’s Past
◊ One Piece Episode 460 – An Enormous Fleet Appears – The Whitebeard Pirates Invade!
◊ One Piece Episode 459 – The Time of the Decisive Battle Draws Near! The Navy’s Strongest Battle Formation Is Ready!
◊ One Piece Episode 458 – Assemble! The Three Admirals
◊ One Piece Episode 457 – Flashback Special Before Marineford – The Brothers’ Oath!
◊ One Piece Episode 456 – A Huge Tomb and the Panty Debt!
◊ One Piece Episode 455 – The Revolutionary Army and the Trap of the Forest of Gluttony!
◊ One Piece Episode 454 – Giant Bird Chicks and a Pink Showdown
◊ One Piece Episode 453 – The Friends Whereabouts! Weatheria Report and Cyborg Animals
◊ One Piece Episode 452 – he Destination is Marine Headquarters – The Ship Sets Out to Rescue Ace
◊ One Piece Episode 451 – Create the Final Miracle – Break Through the Gate of Justice
◊ One Piece Episode 450 – The Jailbreak Team Driven Into a Corner – Forbidden Move
◊ One Piece Episode 449 – Magellan’s Scheme! The Jailbreak is Obstructed
◊ One Piece Episode 448 – Stop Magellan! Ivan-san’s Esoteric Technique Explodes!
◊ One Piece Episode 447 – Jet Pistol of Anger! Luffy vs. Blackbeard!
◊ One Piece Episode 446 – No Price Too High! Serious Hannyabal!
◊ One Piece Episode 445 - The Dangerous Encounter! Blackbeard and Shiryu of the Rain!
◊ One Piece Episode 444 - Even More Chaos! Here Comes Blackbeard Teach!
◊ One Piece Episode 443 - The Ultimate Team Has Formed! Shaking Impel Down!
◊ One Piece Episode 442 - Ace’s Convoy Begins! Battle on the Lowest Floor – Level 6!
◊ One Piece Episode 441 - Luffy’s Back! Ivan-san Begins the Breakout Plan!”
◊ One Piece Episode 440 - Believe in Miracles! Bon Clay’s Cries From the Heart!
◊ One Piece Episode 439 - Luffy’s Treatment Begins! Ivan-san’s Miraculous Power!
◊ One Piece Episode 438 - A Paradise in Hell! Impel Down – Level 5.5!
◊ One Piece Episode 437 - For His Friend! Bon Clay Goes to the Deadly Rescue!
◊ One Piece Episode 436 - The Showdown Has Come! Luffy’s Desperate Last Attack!
◊ One Piece Episode 435 - Mighty Magellan! Bon Clay Bugs Out!
◊ One Piece Episode 434 - All Forces Have Gathered! The Battle on Level 4 – The Burning Heat Hell!
◊ One Piece Episode 433 - Warden Magellan’s Strategy! Straw Hat Entrapment Completed!
◊ One Piece Episode 432 - The Unleashed Swan! A Reunion with Bon Clay!
◊ One Piece Episode 431 - Chief Jailer Saldeath’s Trap! Level 3 – Starvation Hell!
◊ One Piece Episode 430 - A Warlord in Prison! Jimbei the First Son of the Sea!
◊ One Piece Episode 429 - A Special Presentation Related to the Movie! Luffy vs. Largo – The Battle is On!
◊ One Piece Episode 428 - A Special Presentation Related to the Movie! The Fierce Onslaught of the Amigo Pirates!
◊ One Piece Episode 427 - A Special Presentation Related to the Movie! Little East Blue in Danger!
◊ One Piece Episode 426 - A Special Presentation Related to the Movie! A Gold Lion’s Ambition on the Move!
◊ One Piece Episode 425 - The Strongest Man in the Prison! Poison Man Magellan Appears!
◊ One Piece Episode 424 - Break Through the Crimson Hell! Buggy’s Chaos-Inducing Plan!
◊ One Piece Episode 423 - A Reunion in Hell?! The Man Who Ate the Chop-Chop Fruit!
◊ One Piece Episode 422 - A Deadly Infiltration! The Underwater Prison Impel Down!
