One Piece

Season 1, Episode 50

Episode Title: Usopp vs. Daddy the Parent! Showdown at High!

Air Date: 2000-11-29

Overview:

Usopp manages to anger the daughter of bounty hunter Daddy the Father, and finds his own life at stake. When Daddy discovers that Usopp is the son of Yasopp, the only man to beat him, he challenges him to a duel.