One Piece Episode 1 -

: In the manga, Luffy meets Alvida on an island base; in the anime, the encounter happens on a cruise ship.

: Luffy reveals he ate the Gomu Gomu no Mi (Gum-Gum Fruit), which turned his body into rubber. He defeats Alvida with his "Gum-Gum Pistol" technique, launching her off the ship. One Piece Episode 1

Episode 1 of the One Piece anime, titled , originally aired on October 20, 1999 . It serves as the series premiere and the beginning of the "Romance Dawn" arc. Plot Overview : In the manga, Luffy meets Alvida on

: The story begins with a barrel drifting at sea being brought aboard a cruise ship by its crew. Episode 1 of the One Piece anime, titled

: Luffy’s childhood and his meeting with Shanks are not shown in the first episode but are covered later in Episode 4 .

While the One Piece Manga starts with Luffy’s childhood backstory, the anime chose to start with his adult journey to emphasize the pirate theme immediately.