The Going Merry breaks through the clouds into the "White Sea". The crew is stunned to find the "water" is actually a thick, buoyant cloud that they can float on, though Usopp nearly "drowns" in it after falling overboard.
A mysterious old man named Gan Fall , riding a bird named Pierre, intervenes to save the crew. He introduces himself as the "Knight of the Sky" and gives them a whistle to call him if they ever need help again—though he warns them that his services aren't free. One Piece Episode 153
Watch the Straw Hats' first steps into the impossible world above the clouds: The Going Merry breaks through the clouds into
, titled "Sail the White Sea! The Sky Knight and the Gate in the Clouds!" , marks the official beginning of the fan-favorite Skypiea Arc . After the intense ride up the Knock Up Stream, the Straw Hat Pirates find themselves in a world that defies all logic: an ocean made entirely of clouds. ☁️ Episode Overview Original Air Date: May 4, 2003 Manga Chapters: Adapted from Chapters 237 and 238 He introduces himself as the "Knight of the