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.
Season five gets under way as the team try to prevent a terrorist drone attack. Plus, McGarrett and Danno attend therapy. (S5, ep 1)
The team investigate the kidnapping of a Navy SEAL's daughter. Plus, Danno receives shocking news about his brother. (S5, ep 2)
The Five-0 track down three female thieves behind a robbery gone wrong. Plus, Danno searches for his brother's millions. (S5, ep 3)
Chin puts his entire career on the line to help Danno save his brother's life. The team investigate the murder of a Detroit hitman, too. (S5, ep 4)
Emotions run high when, after crossing paths with a young woman, McGarrett attempts to unravel a mystery from his late father's past. (S5, ep 5)
While the team pursue a copycat killer inspired by a slasher film, Jerry gets on the wrong side of the counterfeiters he's been tracking. (S5, ep 6)
A big 'what if' awaits in the show's milestone 100th episode. McGarrett turns back the clocks after being kidnapped by Wo Fat. (S5, ep 7)
Ka Hanu Malu (Inside Job): McGarrett is reunited with Aunt Deb (Carol Burnett), who returns to the island with a new fiance. Also guest starring Frankie Valli. (S5, ep 8)
Christmas proves far from merry for the Five-0 when they make their way to the Big Island to solve a cowboy's murder. (S5, ep 9)
The team need the help of an old-school private investigator when they attempt to solve the murder of an escort. (S5, ep 10)
Ua 'aihue (Stolen): Kono and Chin go undercover as art buyers to solve the murder of a tourist who was unwittingly transporting a stolen Van Gogh painting. (S5, ep 11)
McGarrett and the gang investigate the murder of a neurosurgeon, uncovering a set of clues that shed light on a decades-old case. (S5, ep 12)
The team are reunited with Joe White (guest star Terry O'Quinn) when a patient infected with a lethal strain of bird flu is kidnapped. (S5, ep 13)
Kono has a close encounter with an elusive criminal, before making a decision about her relationship with Adam. (S5, ep 14)
The team look into the murder of a journalist with ties to a Congolese warlord. Oscar nominee Barkhad Abdi guest stars. (S5, ep 15)
Five-0 need outside help to track down an arsonist targeting couples. Plus, Danno takes Amber on a romantic getaway. (S5, ep 16)
McGarrett and Danno keep tabs on a woman involved in a diamond robbery. Directed by series star Daniel Dae Kim. (S5, ep 17)
Joe White returns to help out Danny and Chin, whose past transgressions have landed them in a spot of bother. (S5, ep 18)
A trip to the barbers takes an unexpected turn when McGarrett and Odell are fired at while trying to protect a young man from a gang. (S5, ep 19)
Ike Hanau (Instinct): Grover goes with his gut instinct to determine whether the demise of a friend's wife was a tragic accident or murder. (S5, ep 20)
The team look into the murder of an Elvis impersonator. Contains strong violence from the outset. (S5, ep 21)
Three married men must retrace their steps from a wild night on the town to help the Five-0 solve a brutal murder. (S5, ep 22)
Mo'o Olelo Pu (Sharing Traditions): Alarm bells ring when Kono's solo outrigger trip around the Hawaiian islands turns into a dramatic fight for survival. (S5, ep 23)
The Five-0 investigate the murder of a bounty hunter who had just apprehended a dangerous killer. Plus, Danny's wife reveals a shocking secret. (S5, ep 24)
Disaster looms in this explosive season finale when, on the eve of Kono's wedding, someone threatens to detonate a nuclear bomb. (S5, ep 25)