Hawaii Five-0

Season 8, Episode 12

Episode Title: Ka hopu nui ʻana (The Round Up)

Air Date: 2018-01-05

Overview:

When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit. Also, McGarrett tasks Adam with forming a new division within Five-0 to take on organized crime.