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One Piece S1E18 poster

Watch One Piece – Season 1 Episode 18: You're the Weird Creature! Gaimon and His Strange Friends!

One Piece • Season 1, Episode 18 • 25 min • 1999 • ⭐ 8.7/10 • Action & Adventure , Animation , Comedy

Cast: Yohei Tadano , Hiroaki Hirata , Katsuhisa Houki , Mayumi Tanaka , Kazuya Nakai , Akemi Okamura , Kappei Yamaguchi , Ikue Otani , Kazuki Yao , Yuriko Yamaguchi

Watch One Piece – S1E18

Episode Overview

With Usopp now in the crew and a new ship, the Going Merry, under their command, the Straw Hats head to an island said to hold a fabled treasure, only to encounter a strange man stuck in a treasure box that has also been looking for this treasure.

Episode Navigation

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More Episodes from Season 1

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S1E1 • 25m
I'm Luffy! The Man Who Will Become the Pirate King!
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The Great Swordsman Appears! Pirate Hunter, Roronoa Zoro
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Morgan VS Luffy! Who's This Beautiful Young Girl?
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Luffy's Past! The Red-haired Shanks appears
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Fear, Mysterious Power! Pirate Clown Captain Buggy!
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Desperate Situation! Beast Tamer Mohji vs Luffy!
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Grand Duel! Zoro the Swordsman vs Cabaji the Acrobat!
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Who Will Win? Showdown Between the True Powers of the Devil!
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S1E9 • 25m
The Honorable Liar? Captain Usopp!
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The Weirdest Guy Ever! Jango the Hypnotist!
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Expose the Plot! Pirate Butler, Captain Kuro!
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S1E12 • 25m
Clash with the Black Cat Pirates! The Great Battle on the Slope!
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S1E13 • 25m
The Terrifying Duo! Meowban Brothers vs. Zoro!
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S1E14 • 25m
Luffy Back in Action! Miss Kaya's Desperate Resistance!
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S1E15 • 25m
Beat Kuro! Usopp the Man's Tearful Resolve!
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S1E16 • 25m
Protect Kaya! The Usopp Pirates' Great Efforts!
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S1E17 • 25m
Anger Explosion! Kuro vs. Luffy! How it Ends!
 One Piece S1E19 poster
S1E19 • 25m
The Three-Sword Style's Past! Zoro and Kuina's Vow!
 One Piece S1E20 poster
S1E20 • 25m
Famous Cook! Sanji of the Sea Restaurant!
 One Piece S1E21 poster
S1E21 • 25m
Unwelcome Customer! Sanji's Food and Ghin's Debt!
 One Piece S1E22 poster
S1E22 • 25m
The Strongest Pirate Fleet! Commodore Don Krieg!
 One Piece S1E23 poster
S1E23 • 25m
Protect Baratie! The Great Pirate, Red Foot Zeff!
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S1E24 • 25m
Hawk-Eye Mihawk! The Great Swordsman Zoro Falls At Sea!
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S1E25 • 25m
The Deadly Foot Technique Bursts Forth! Sanji vs. The Invincible Pearl!
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S1E26 • 25m
Zeff and Sanji's Dream! The Illusory All Blue!
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S1E27 • 25m
Cool-headed, Cold-hearted Demon! Pirate Fleet Chief Commander Ghin!
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S1E28 • 25m
I Won't Die! Fierce Battle, Luffy vs. Krieg!
 One Piece S1E29 poster
S1E29 • 25m
The Conclusion of the Deadly Battle! A Spear of Blind Determination!
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S1E30 • 25m
Set Sail! The Seafaring Cook Sets Off With Luffy!
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S1E31 • 25m
The Worst Man in the Eastern Seas! Fishman Pirate Arlong!
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S1E32 • 25m
Witch of Cocoyashi Village! Arlong's Female Leader!
 One Piece S1E33 poster
S1E33 • 25m
Usopp Dead?! When is Luffy Going to Make Landfall?!
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S1E34 • 25m
Everyone's Gathered! Usopp Speaks the Truth About Nami!
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S1E35 • 25m
Untold Past! Female Warrior Bellemere!
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S1E36 • 25m
Survive! Mother Bellemere and Nami's Bond!
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S1E37 • 25m
Luffy Rises! Result of the Broken Promise!
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S1E38 • 25m
Luffy in Big Trouble! Fishmen vs. The Luffy Pirates!
 One Piece S1E39 poster
S1E39 • 25m
Luffy Submerged! Zoro vs. Hatchan the Octopus!
 One Piece S1E40 poster
S1E40 • 25m
Proud Warriors! Sanji and Usopp's Fierce Battles!
 One Piece S1E41 poster
S1E41 • 25m
Luffy at Full Power! Nami's Determination and the Straw Hat!
 One Piece S1E42 poster
S1E42 • 25m
Explosion! Fishman Arlong's Fierce Assault From the Sea!
 One Piece S1E43 poster
S1E43 • 25m
End of the Fishman Empire! Nami's My Friend!
 One Piece S1E44 poster
S1E44 • 25m
Setting Out with a Smile! Farewell, Hometown Cocoyashi Village!
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S1E45 • 25m
Bounty! Straw Hat Luffy Becomes Known to the World!
 One Piece S1E46 poster
S1E46 • 25m
Chase Straw Hat! Little Buggy's Big Adventure!
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S1E47 • 25m
The Wait is Over! The Return of Captain Buggy!
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S1E48 • 25m
The Town of the Beginning and the End! Landfall at Logue Town!
 One Piece S1E49 poster
S1E49 • 25m
Zoro's New Swords and the Woman Sergeant Major!
 One Piece S1E50 poster
S1E50 • 25m
Usopp vs. Daddy the Parent! Showdown at High!
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S1E51 • 24m
Fiery Cooking Battle? Sanji vs. The Beautiful Chef!
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S1E52 • 25m
Buggy's Revenge! The Man Who Smiles On the Execution Platform!
 One Piece S1E53 poster
S1E53 • 25m
The Legend Has Started! Head for the Grand Line!
 One Piece S1E54 poster
S1E54 • 25m
Precursor to a New Adventure! Apis, a Mysterious Girl!
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S1E55 • 25m
Miraculous Creature! Apis's Secret and The Legendary Island!
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S1E56 • 25m
Eric Attacks! Great Escape From Warship Island!
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S1E57 • 25m
A Solitary Island in the Distant Sea! The Legendary Lost Island!
 One Piece S1E58 poster
S1E58 • 25m
Showdown in the Ruins! Tense Zoro vs. Eric!
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S1E59 • 25m
Luffy, Completely Surrounded! Commodore Nelson's Secret Strategy!
 One Piece S1E60 poster
S1E60 • 25m
Through the Sky They Soar! The 1000 Year Legend Lives Again!
 One Piece S1E61 poster
S1E61 • 25m
An Angry Showdown! Cross the Red Line!

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