ONE PIECE Episode 152: Take to the Sky! Ride the Knockup Stream!
Episode 152 of 1180 of ONE PIECE, aired April 27, 2003, 25 minutes. Available with English subtitles and dub where released.
Episode summary
The Going Merry is refitted by Masira and Shōjo to be more flight capable, and the Straw Hats catch a ride on the Knock-Up Stream for Skypeia.