One Piece

Season 0, Episode 2

Episode Title: Adventure in the Ocean's Navel

Air Date: 2000-12-20

Overview:

The Straw Hats encounter a city in the middle of a whirlpool, called the Ocean's Naval, that is being destroyed by giant monsters. These monsters supposedly protect a treasure capable of granting wishes, but in the process of defeating these guardians, the crew ends up releasing another evil.