ONE PIECE Episode 101: Showdown in a Heat Haze! Ace vs. the Gallant Scorpion!
Episode 101 of 1180 of ONE PIECE, aired February 17, 2002, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Fire Fist Ace is hired by two young boys to hunt down and capture a lethal bounty hunter known only as the Scorpion. Source: crunchyroll