Episode 1 (October 20, 1999 / 12.4%)
I am Luffy! A guy who will become king of pirates!

Episode 2 (November 17, 1999 / 11.7%)
The appearance of the master of swords! Pirate Hunter, Zoro Roronoa

Episode 3 (November 24, 1999 / 13.3%)
Morgan vs. Luffy! Who's that mysterious cute girl?

Episode 4 (December 8, 1999 / 12.9%)
Luffy's past! The appearance of Shanks the Redhead

Episode 5 (December 15, 1999 / 13.5%)
Fearsome! A mysterious force: Captain Buggy, a Clown Pirate

Episode 6 (December 29, 1999 / 12.3%)
A crisis! Mohji the monster-tamer vs. Luffy!

Episode 7 (December 29, 1999 / 12.3%)
Amazing duel! Swordsman Zorro vs. Acrobat Kabaji!

Episode 8 (December 29, 1999 / 12.3%)
Which is the winner? Contest of Devil Fruit Abilities!

Episode 9 (January 12, 2000 / 11.2%)
A liar of justice? Captain Usopp

Episode 10 (January 19, 2000 / 12.7%)
The strongest weirdo ever! Jango the hypnotist

Episode 11 (January 26, 2000 / 12.1%)
Reveal the Conspiracy! Pirate Butler Captain Kuro

Episode 12 (February 2, 2000 / 13.2%)
Collision! The great defense against the Kuroneko Pirate Fleet on the hill

Episode 13 (February 9, 2000 / 14.7%)
The fearsome duo! Nyaban brothers vs Zoro

Episode 14 (February 16, 2000 / 12.8%)
Luffy revived! Little lady Kaya's desperate refusal

Episode 15 (February 23, 2000 / 14.4%)
Defeat Kuro! The teary determination of Usopp the man

Episode 16 (March 1, 2000 / 13.9%)
Defend Kaya! The great work of the Usopp Pirate Fleet

Episode 17 (March 8, 2000 / 13.9%)
Explosion of anger! The ending of the battle betewen Kuro and Luffy

Episode 18 (March 15, 2000 / 13.8%)
You are the weird animal! Gaimon and his strange friends

Episode 19 (March 22, 2000 / 13.6%)
The past of the three-blade style! Zoro and Kuina's oath

Episode 20 (April 12, 2000 / 15.0%)
Famous cook! Sanji aboard the restaurant on the seas

Episode 21 (April 12, 2000 / 15.0%)
An unwanted guest! Sanji's food and Gin's gratitude

Episode 22 (April 26, 2000 / 12.2%)
The strongest pirate armada! Commander Don Krieg

Episode 23 (May 3, 2000 / 10.6%)
Protect the Baratie! The big pirate, Red-Footed Zeff

Episode 24 (May 10, 2000 / 11.9%)
The Hawk-eyed Mihawk! Swordsman Zoro falls to the seas

Episode 25 (May 17, 2000 / 13.7%)
The kick combos explode! Sanji vs Steelwall Pearl

Episode 26 (May 24, 2000 / 13.1%)
Zeff and Sanji's Dream: the illusionary All Blue

Episode 27 (May 31, 2000 / 14.2%)
Cold, merciless demon: Pirate armada captain Gin

Episode 28 (June 7, 2000)
I won't die! Ferocious battle - Luffy vs Krieg!

Episode 29 (June 21, 2000)
The end to the deathmatch! The one spear stuck in the gut!

Episode 30 (June 28, 2000)
Departure! The cook of the seas goes together with Luffy

Episode 31 (July 12, 2000 / 11.5%)
The worst man in the east seas! Merman pirate Arlong

Episode 32 (July 19, 2000 / 13.1%)
The witch of Kokoyashi Village! Arlong's right-hand woman

Episode 33 (July 19, 2000 / 13.1%)
Usopp dies!? When will Luffy's landing be?

Episode 34 (July 26, 2000 / 12.7%)
Everyone gather! Usopp tells the truth about Nami

Episode 35 (August 2, 2000 / 11.5%)
The hidden past! Female soldier bellemere!

Episode 36 (August 9, 2000 / 11.5%)
Live through! The bond between Nami and Mother, bellemere

Episode 37 (August 16, 2000 / 13.1%)
Luffy Stands up! The resolution of the betrayed promise!

Episode 38 (August 23, 2000 / 12.7%)
Luffy in a bind! Mermen vs Luffy Pirate Fleet

Episode 39 (August 30, 2000 / 11.5%)
Luffy sinks underwater! Zorro vs Hatchan the octopus

Episode 40 (September 6, 2000 / 13.6%)
A proud warrior! Fierce battles for Sanji and Usopp

Episode 41 (September 13, 2000 / 13.6%)
Luffy all-out! Nami's resolution and a straw hat

Episode 42 (September 27, 2000 / 15.0%)
Lashing out! Merman Arlong's fierce attacks from the sea!

Episode 43 (September 27, 2000 / 15.0%)
The end of the merman empire! Nami is our comrade!

Episode 44 (October 11, 2000 / 13.2%)
The departure of smiles! Farewell Kokoyashi Village, my hometown

Episode 45 (October 25, 2000 / 13.6%)
A bounty-head! Luffy the Straw Hat gets known to the world

Episode 46 (November 1, 2000 / 14.4%)
Go after the straw hat! The big adventure of little Buggy

Episode 47 (November 8, 2000 / 13.5%)
Sorry to keep you waiting! Ah, the revival of Captain Buggy!

Episode 48 (November 22, 2000 / 15.7%)
Landing upon Logue Town: The Town of the Beginning and the End

Episode 49 (November 22, 2000 / 15.7%)
Sandai Kitetsu and Yubashiri! Zoro's new swords, and the Female Sargeant Major

Episode 50 (November 29, 2000 / 15.2%)
Usopp -vs- A Daddy and his kid -- Midday Duel

Episode 51 (December 6, 2000 / 14.0%)
A Cooking Battle of Fire!? Sanji -vs- A Beautiful Chef

Episode 52 (December 13, 2000 / 14.7%)
Buggy's Revenge! The Man who Laughs on the Execution Stand!

special episode (December 20, 2000 / 13.8%)
Luffy falls / Secret location / The Big Adventure at the Belly-of-the-ocean