Five-0 investigates a scuba diver's death from a gun recently used in another murder and McGarrett prepares to propose to Catherine on "Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3).
First Look: McGarrett's Special Mission On Hawaii Five-0
Alex O'Loughlin as Steve McGarrett
"Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3)
Grace Park as Kono Kalakaua and Alex O'Loughlin as Steve McGarrett
"Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3)
Scott Caan as Danny "Danno" Williams and Alex O'Loughlin as Steve McGarrett
"Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3)
Filming "Ua 'o'oloku ke anu i na mauna"
"Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3)
Scott Caan as Danny "Danno" Williams and Alex O'Loughlin as Steve McGarrett
"Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3)
Alex O'Loughlin as Steve McGarrett
"Ua 'o'oloku ke anu i na mauna (The chilling storm is on the mountains)" (Season 6, Episode 3)