HAWAII FIVE 0 Season 3 Episode 16 Kekoa Promo : – Five-0 investigates the murder of a Lua (ancient Hawaiian hand-to-hand combat) master, and McGarrett hires a private investigator to follow his mother, on HAWAII FIVE-0, Monday, Feb. 11 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Christine Lahti returns as Doris McGarrett. Treat Williams guest stars as a private investigator hired by McGarrett to follow his mother, and Summer Glau guest stars as the daughter of the Lua master who comes to Five-0 for help.
