Before he was exacuted, the legendary Pirate King Gold Roger revealed that he had hidden the treasure One Piece somewhere in the Grand Line. Now, many pirates are off looking for this legendary treasure to claim the title Pirate King. One pirate, Monkey D. Luffy, is a boy who had eaten the Devil's Fruit and gained rubber powers. Now he and his crew are off to find One Piece, while battling enemies and making new friends along the way.

Alternative title:

• All'arrembaggio! - One Piece (Italian)
• Tutti All'arrembaggio (Italian)

One Piece 9:

• 402. Overwhelming! The Marine Combat Weapon Pacifista
  
• 403. Another Strong Enemy Appears! Broadaxe-Wielding Sentomaru
  
• 404. Admiral Kizaru's Fierce Attack - The Straw Hat Crew's Desperate Situation!
  
• 405. Disappearing Crewmates - The Final Day of the Straw Hat Crew
  
• 406. Special Historical Arc - Boss Luffy Appears Again
  
• 407. Special Historical Arc - Destroy! Thriller Company's Trap
  
• 408. Landing! No-Boys-Allowed Island Amazon Lily
  
• 409. Hurry! Get back to your friends. Adventure on the Island of Women.
  
• 410. Everyone is Lovestruck! Pirate Empress Hancock
  
• 411. The Secret Hidden on Her Back. Luffy and the Snake Princess Meet
  
• 412. The Heartless Judgement! Marguerite Turned to Stone!!
  
• 413. Luffy's Hard Trial! The Power of the Snake Sisters' Haki!!
  
• 414. Battle with Full-Powered Abilities!! Gomu Gomu vs. Hebi Hebi
  
• 415. Hancock's Confession - The Sisters' Abhorrent Past
  
• 416. Saving Ace! The Next Stop: the Great Prison!
  
• 417. Love is a Hurricane! Hancock in Love
  
• 418. The Crew's Whereabouts - Weather Science and Karakuri Island
  
• 419. The Crew's Whereabouts - The Island of Giant Birds and the Pink Paradise!
  
• 420. The Crew's Whereabouts - The Bridge that Connects Islands and Man-Eating Plants
  
• 421. The Friends' Whereabouts - The Negative Princess and the Devil King
  
• 422. A Life-threatening Break-in! Breaking Into the Underwater Prison Impel Down
  
• 423. Reunion in Hell!? The User of the Chop Chop Fruit!
  
• 424. Break Through! Crimson Hell - Buggy's Big Flashy Plan
  
• 425. The Strongest Man in the Prison! Enter Poison Man Magellan
  
• 426. Special Linked to the Movie - The Golden Lion's Ambitions Start to Move
  
• 427. Special Linked to the Movie - Little East Blue Targeted
  
• 428. Special Linked to the Movie - Fierce Attack of the Amigo Pirates
  
• 429. Special Linked to the Movie - Decisive Battle! Luffy vs. Largo
  
• 430. The Imprisoned Shichibukai! Jimbei, Boss of the Sea
  
• 431. The Trap of Jailer Saldeath - Level 3 Starvation Hell
  
• 432. The Liberated Swan! Reunion! Bon Clay
  
• 433. Warden Magellan's Strategy! Straw Hat Entrapment Completed!
  
• 434. Preparations for War! A Decisive Battle in Level 4 - Inferno Hell
  
• 435. Magellan's Strength! Bon Clay Flees Before His Enemy
  
• 436. Luffy's Final Life-Risking Attack
  
• 437. Because He's Our Friend - Bon Clay's Do-or-Die Rescue
  
• 438. A Paradise in Hell! Impel Down - Level 5.5!
  
• 439. Luffy's Treatment Begins! Ivan's Miraculous Ability
  
• 440. Believe in Miracles! Bon Clay Cheers From His Heart
  
• 441. Luffy Revives! Ivan's Jailbreak Plan Begins!!
  
• 442. Ace's Convoy Begins! Battle on the Lowest Floor - Level 6!
  
• 443. The Strongest Team is Formed - Shake Impel Down to Its Core!
  
• 444. Even More Chaos! Blackbeard Teach Invades!
  
• 445. A Dangerous Meeting! Blackbeard and Shiryu of the Rain
  
• 446. No Price Too High! Serious Hannyabal!
  
• 447. The Jet Pistol of Rage - Luffy vs. Blackbeard
  
• 448. Stop Magellan! Ivan-san Unleashes His Secret Attack
  
• 449. Magellan's Scheme! The Jailbreak is Obstructed
  
• 450. The Escapee Team in Trouble! The Forbidden Move: Venom Demon!
  
• 451. Come, Final Miracle! Break Through