One Piece

Season 1, Episode 40

Episode Title: Proud Warriors! Sanji and Usopp's Fierce Battles!

Air Date: 2000-09-06

Overview:

With Hatchan defeated, two of the fishmen battle Sanji and Usopp. Things look grim for Sanji as he attempts to face Kuroobi underwater, and Usopp gets the chance to prove that he too is a brave warrior.