One Piece
Season 5, Episode 139: Legend of the Rainbow Mist! Old Man Henzo of Luluka Island!
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On Ruluka Island, some of the Straw Hats make enemies of the Mayor and his men, who have placed high taxes on everything. Robin, Usopp, and Luffy meet Professor Henzo, who's doing research on the island's rainbow mist. When some of the mist shows up, Henzo borrows the Going Merry to go explore it.
All Episodes - Season 5
Episode 131
The First Patient! The Untold Story of the Rumble Ball!
Episode 132
Uprising of the Navigator! For the Unyielding Dream!
Episode 133
A Recipe Handed Down! Sanji, the Iron Man of Curry!
Episode 134
I Will Make it Bloom! Usopp, the Man, and the Eight-Foot Shell!
Episode 135
The Fabled Pirate Hunter! Zoro, the Wandering Swordsman!
Episode 136
Zenny of the Island of Goats and the Pirate Ship in the Mountains!
Episode 137
How's Tricks? The Designs of Zenny the Moneylender!
Episode 138
Whereabouts of the Island Treasure! Attack of the Zenny Pirates!
Episode 139
Legend of the Rainbow Mist! Old Man Henzo of Luluka Island!
Episode 140
Residents of the Land of Eternity! The Pumpkin Pirates!
Episode 141
Thoughts of Home! The Pirate Graveyard of No Escape!
Episode 142
An Inevitable Melee! Wetton's Schemes and the Rainbow Tower!
Episode 143
And so, the Legend Begins! To the Other Side of the Rainbow!