One Piece

One Piece (1999 – ...)

1999 • 23 seasons • Action & Adventure, Comedy • TV-14

On August 8, 2026

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Overview Watch Cast Seasons (23) Episodes Ranked Similar Videos Images

photo from the episode

Episode 556 — Unveiled! The Secret Weapons of the Sunny!

Season 14 • One Piece

Released: 2012-07-15 • Action & Adventure/Comedy/Animation

77%

User score

Hordy’s men keep attacking, but the Straw Hats have new weapons at their disposal! Franky unleashes the fury of the Black Rhino, and Luffy turns the tables on Hordy with a little help from his Kraken!

Episodes

Episode 523
A Surprising Fact! The Man Who Guarded the Sunny!
2011-11-13

Episode 524
Deadly Combat under the Sea! The Demon of the Ocean Strikes!
2011-11-20

Episode 525
Lost in the Deep Sea! The Straw Hats Get Separated!
2011-11-27

Episode 526
Undersea Volcanic Eruption! Drifting to the Fish-Man Island!
2011-12-04

Episode 527
Landing at the Fish-Man Island! Beautiful Mermaids!
2011-12-11

Episode 528
Excitement Blow-out! Sanji's Life Under Threat!
2011-12-18

Episode 529
The Fish-Man Island Will Be Annihilated?! Sharley's Prophecy!
2011-12-25

Episode 530
The King of the Fish-Man Island! Neptune, the God of the Sea!
2012-01-08

Episode 531
Ryugu Palace! Taken by the Shark that They Saved!
2012-01-15

Episode 532
A Coward and a Crybaby! The Princess in the Hard Shell Tower!
2012-01-22

Episode 533
It's An Emergency! The Ryugu Palace Is Occupied!
2012-01-29

Episode 534
The Ryugu Palace in Shock! the Kidnapping of Shirahoshi!
2012-02-05

Episode 535
Hordy's Onslaught! The Retaliatory Plan Set Into Motion!
2012-02-12

Episode 536
The Ryugu Palace Fight! Zoro vs. Hordy!
2012-02-13

Episode 537
Keep Shirahoshi Safe! Decken Close Behind!
2012-02-26

Episode 538
The Straw Hats Defeated!? Hordy Gains Control of the Ryugu Palace!
2012-03-04

Episode 539
The Haunting Ties! Nami And The Fish-Man Pirates! The Resurrected Destiny! Nami and the Fishman Pirate Crew!
2012-03-18

Episode 540
A Hero Who Freed The Slaves! An Adventurer Tiger!
2012-03-25

Episode 541
Kizaru Appears! A Trap To Catch Tiger!
2012-04-01

Episode 542
A Team Is Formed! Save Chopper (II)
2012-04-08

Episode 543
The Death of the Hero! A Shocking Truth of Tiger!
2012-04-15

Episode 544
The Sun Pirates Split! Jimbei vs. Arlong!
2012-04-22

Episode 545
Shaking Fish-Man Island! A Celestial Dragon Drifts In!
2012-04-29

Episode 546
A Sudden Tragedy! A Gunshot Shuts Down the Future!
2012-05-06

Episode 547
Back to the Present! Hordy Makes a Move!
2012-05-13

Episode 548
The Kingdom in Shock! An Order to Execute Neptune Issued!
2012-05-20

Episode 549
A Rift Opens Up! Luffy vs. Jimbei!
2012-05-27

Episode 550
Something Has Happened to Hordy! The True Power of the Evil Drug!
2012-06-03

Episode 551
The Battle is on! At Conchcorde Plaza!
2012-06-10

Episode 552
Surprising Confession! The Truth Behind the Assassination of Otohime!
2012-06-17

Episode 553
Shirahoshi's Tears! Luffy Finally Shows Up!
2012-06-24

Episode 554
A Great Clash! The Straw Hat Crew vs. 100,000 Enemies
2012-07-01

Episode 555
Deadly Attacks One After Another! Zoro and Sanji Join The Battle!
2012-07-08

Episode 556
Unveiled! The Secret Weapons of the Sunny!
2012-07-15

Episode 557
Iron Pirates! General Franky Appears
2012-07-29

Episode 558
Noah Approaches! The Crisis of Fishman Island's Destruction!
2012-08-05

Episode 559
Hurry Up, Luffy! Shirahoshi's Desperate Situation
2012-08-12

Episode 560
The Battle Begins! Luffy Vs. Hordy!
2012-08-19

Episode 561
A Massive Confused Fight! The Straw Hats vs. The New Fish-Man Pirates!
2012-08-26

Episode 562
Luffy Loses the Fight?! Hordy's Long Awaited Revenge!
2012-09-02

Episode 563
A Shocking Fact! The True Identity of Hordy!
2012-09-09

Episode 564
Back to Zero! Ernest Wishes for Luffy!
2012-09-16

Episode 565
Luffy's All-out Attack! Red Hawk Blasts!
2012-09-23

Episode 566
Coming to an End! The Final Decisive Battle Against Hordy
2012-09-30

Episode 567
Stop, Noah! Desperate Elephant Gantling!
2012-10-07

Episode 568
To the Future! The Path to the Sun!
2012-10-14

Episode 569
The Secret Revealed! The Truth About the Ancient Weapon!
2012-10-21

Episode 570
The Straw Hats Stunned! The New Fleet Admiral of the Navy!
2012-10-28

Episode 571
She Loves Sweets! Big Mom of the Four Emperors!
2012-11-04

Episode 572
Many Problems Lie Ahead! A Trap Awaiting in the New World!
2012-11-11

Episode 573
Finally Time to Go! Goodbye, Fish-Man Island!
2012-11-18

Episode 574
To the New World! Heading for the Ultimate Sea!
2012-11-25

Episode 575
Z's Ambition! Lily the Little Giant!
2012-12-02

Episode 576
Z's Ambition! A Dark and Powerful Army!
2012-12-09

Episode 577
Z's Ambition! A Great and Desperate Escape Plan!
2012-12-16

Episode 578
Z's Ambition! Luffy vs. Shuzo!
2012-12-23

Episode 579
Arriving! A Burning Island - Punk Hazard!
2013-01-06

Episode 580
A Battle in the Heat! Luffy vs. The Giant Dragon!
2013-01-13

Information

Episode air date	15.07.2012
Episode runtime	24 min
Episode rating	7.67
Genres	Action & Adventure / Comedy / Animation
TMDB series rating	8.8
IMDb series rating	9.0
Series status	Returning series
Age rating	14+
Country	JP

Trailer

Additional videos

Happy 26th Anniversary to ONE PIECE [Subtitled]

Happy 26th Anniversary to ONE PIECE [Subtitled]

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Cast

Mayumi Tanaka
Monkey D. Luffy (voice)

Kazuya Nakai
Roronoa Zoro (voice)

Mari Yaguchi
요코 (성우)

Akemi Okamura
Nami (voice)

Kappei Yamaguchi

Kappei Yamaguchi
Usopp (voice)

Hiroaki Hirata
Sanji (voice)

Ikue Otani
Tony Tony Chopper (voice)

Yuriko Yamaguchi

Yuriko Yamaguchi
Nico Robin (voice)

Kazuki Yao
Franky (voice)

Katsuhisa Houki

Katsuhisa Houki
Jinbe (voice)

Cho
Brook (voice)

Reiko Takagi
Jewelry Bonney (voice)

Yohei Tadano
Dr. Vegapunk (voice)

Hideyuki Tanaka

Hideyuki Tanaka
돈키호테 도플라밍고 (성우)

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