ONE PIECE Episode 176: Climb Giant Jack! Deadly Combat in the Upper Ruins!
Episode 176 of 1180 of ONE PIECE, aired January 4, 2004, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Zoro, Gan Fall, Wyper, Ohm and a prizefighting pooch gather for a ferocious free-for-all at the site of the Upper Ruins. While the battle rages, Luffy tries to punch his way out of the belly of a poisonous python! Source: crunchyroll