Hawaii Five-0

Season 1, Episode 19

Episode Title: Ne Me‘e Laua Na Paio (Heroes and Villains)

Air Date: 2011-03-21

Overview:

Five-0 combs a convention to find the killer of a sci-fi fan who was thrown out of a high-rise window. A CIA agent who's interested in the Yakuza that killed McGarrett's parents shows up in town to meet with Steve.