Straw Hats! Grab your crew! ONE PIECE: INTO THE GRAND LINE sets sail on March 10th! MORE INFO ON ONE PIECE: INTO THE GRAND LINE: Netflix’s epic high-seas pirate adventure, ONE PIECE, returns for Season 2—unleashing fiercer adversaries and the most perilous quests yet. Luffy and the Straw Hats set sail for the extraordinary Grand Line—a legendary stretch of sea where danger and wonder await at every turn. As they journey through this unpredictable realm in search of the world’s greatest treasure,