CBS books a new version of the classic `Hawaii Five-0' series, with Alex O'Loughlin in the lead role as Det Steve McGarrett and Scott Caan portraying Danno. The detectives are part of an elite task force whose mission is to eliminate crime on the beaches of the Aloha State. Assisting McGarrett and Danno is former Honolulu Police detective Chin Ho Kelly, who has been relegated to a federal security patrol after being wrongfully accused of corruption. Chin's fresh-out-of-the-academy cousin, Kono, also joins the team as she tries to establish herself among the department's elite.
Ka 'owili'oka'i (Cocoon): The death of a CIA pal leads McGarrett deep into danger. Special 50th anniversary episode. (S9, ep 1)
The team join the trail of a family man after kidnappers force him to parachute out of a plane. (S9, ep 2) Enhanced for UHD.
McGarrett and Danny hunt a bank thief in a heatwave. Meanwhile, Tani and Junior's car gets stolen. (S9, ep 3)
A body turns up as McGarrett and Danny dig into black market sand. Junior escorts a fallen soldier home. (S9, ep 4)
Jerry hunts for evidence of a murder he saw as a boy. Contains flashing images and violent scenes from the outset. (S9, ep 5)
McGarrett crosses the line as he digs into a former SEAL buddy's death. Adam returns with some devastating news. (S9, ep 6)
McGarrett digs into a 1940s cold case. Plus, the doors open at his and Danny's restaurant. The 200th episode. (S9, ep 7)
A thief gets his comeuppance when he's crushed by a safe. Grover's folks visit, bringing some serious sibling rivalry. (S9, ep 8)
A vigilante gets murdered and that sends Five-0 on a superhero manhunt. Adam gets closer to his sister's killer. (S9, ep 9)
Pio ke kukui, po'ele ka hal: McGarrett and Joe rapidly need a game plan when vengeful assassins from their SEAL team past strike. (S9, ep 10) Enhanced for UHD.
The crew teams up with old mates Harry and Wade to find the murderer that struck Steve and Catherine's ohana. (S9, ep 11)
Five-0 must work out what happened when a car accident puts Grace's life in danger. (S9, ep 12)
A murder in an underwater lab sends Adam, Junior and Tani to the ocean floor, where the killer is still at large. (S9, ep 13)
McGarrett and Grover uncover an extremist group's deadly plan as they dig into Flippa's friend's murder. (S9, ep 14) Enhanced for UHD.
Five-0 must protect serial killer El Diablo from an assassin just as a dangerous hurricane strikes. (S9, ep 15)
There are plenty of suspects when a beauty company's top sales person is murdered. Adam makes a new friend. (S9, ep 16) Enhanced for UHD.
Junior gets torn between Five-0 and his feelings for an ex when a bank heist turns into a homicide. (S9, ep 17) Enhanced for UHD.
Tani and Junior go after a lethal load of drugs. Danny's ex-mother-in-law (Joan Collins) shows up. (S9, ep 18)
Five-0 uncover the surprising life of a murdered window cleaner. Grover and Adam dig into the death of a gambler. (S9, ep 19)
Five-0 hunt for a gun-toting teen. But they are in for a shock when they find out the firearm has touched all of their lives. (S9, ep 20)
A man's body proves key to a kidnapping cold case as Five-0 help a dad who's spent 20 years looking for his missing girl. (S9, ep 21)
Noelani is forced to operate on a criminal at gunpoint. Adam digs into the death of an undercover agent. (S9, ep 22) Enhanced for UHD.
The team investigate when a cab driver and his passenger are found dead. McGarrett helps his sister spy on her shady neighbours. (S9, ep 23)
Fugitive hacker Aaron Wright shows up. And he needs help - big time. Junior is forced to face the driver who killed his sister. (S9, ep 24)
The race is on to find escaped criminal Aaron Wright. But a guest at HQ is about to throw everyone in danger. (S9, ep 25)