Five-0 investigates when a bomb squad is attacked and the culprit threatens to detonate additional hidden explosive devices unless arsonist Jason Sinclair is released from prison. Also, after Adam returns from the hospital, Kono realizes that they are being watched, and McGarrett prepares to take his relationship with Catharine to the next level.
25 September, 2015Hawaii Five-0720p
S6
E1 -
Mai ho'oni i ka wai lana málie (Do Not Disturb the Water that is Tranquil)
A murder leads Five-0 to investigate a centuries-old Oahu palace raid involving pirates, buried treasure and a killer who is using a stolen painting as a map. Also, the morning after their wedding, Kono and Adam are threatened and tortured by Gabriel, and Danny shows concern for McGarrett regarding Catherine's return to the island.
08 May, 2015Hawaii Five-0720p
S5
E24 -
Luapo’i (Prey)
While Five-0 investigates the murder of a bounty hunter after he apprehended a fugitive hiding out in Hawaii, Rachel reveals a long-held secret to Danny that has serious ramifications. Also, as Kono’s wedding nears, Chin voices his concerns to McGarrett that Adam is still working with the Yakuza.
08 May, 2015Hawaii Five-0720p
S5
E25 -
A Make Kaua (Until We Die)
On the eve of Kono’s wedding to Adam, Five-0 must stop a fanatical patriot intent on starting a new war on terror by detonating stolen nuclear warheads and framing a terrorist leader.
01 May, 2015Hawaii Five-0720p
S5
E23 -
Mo'o 'olelo Pu (Sharing Traditions)
When Kono goes on a solo outrigger trip around the Hawaiian islands in honor of her mother, she hits a patch of wild weather and must fight to stay alive. As Five-0 searches for Kono, they investigate a man busted for cooking meth who claims he received a threat on his son’s life if he didn’t continue making the drug.
24 April, 2015Hawaii Five-0720p
S5
E22 -
Ho’amoano (Chasing Yesterday)
When a woman is found murdered in the hotel suite occupied by three married men, Five-0 must help the friends get over their massive hangover and retrace their steps from a wild night to find the killer. Also, Jerry witnesses a woman’s kidnapping on the streets of O’ahu.
10 April, 2015Hawaii Five-0720p
S5
E21 -
Ua helele'i ka hoku (Fallen Star)
When a performer is killed at a convention of Elvis impersonators and his body is stolen, Five-0 must track down the culprits who are after the hidden diamonds sewn into the victim’s costume. Also, Gabriel Waincroft returns to ask for Chin for help getting off the island.
03 April, 2015Hawaii Five-0720p
S5
E20 -
Ike Hānau (Instinct)
When Grover’s oldest and closest friend tells him he witnessed his wife fall off a cliff to her death, Grover’s gut instinct tells him that this was no accident. Also, Danny and Dr. Shaw get trapped in an elevator with a dead body in need of processing.
13 March, 2015Hawaii Five-0720p
S5
E19 -
Kahania (Close Shave)
McGarrett and Odell come under siege in Odell's barbershop when they try to protect a young man who is being hunted down by a gang. Also, Jerry is wrongfully accused of committing a series of home invasions.
06 March, 2015Hawaii Five-0720p
S5
E18 -
Pono Kaulike (Justice For All)
McGarrett enlists Joe's help after Danny and Chin are arrested for deadly past transgressions.
27 February, 2015Hawaii Five-0720p
S5
E17 -
Kuka'awale (Stakeout)
McGarrett and Danny work on their relationship while they stakeout a woman's apartment after she escapes following a diamond robbery.
20 February, 2015Hawaii Five-0720p
S5
E16 -
Nānahu (Embers)
Five-0 enlists the help of a California ATF Agent to find a serial arsonist targeting couples on Oahu. Meanwhile, when Danny whisks Amber away for a romantic getaway, her abusive ex-husband tracks them down, intent on taking his wife back.
13 February, 2015Hawaii Five-0720p
S5
E15 -
E 'Imi Pono (Searching for the Truth)
When a journalist is killed, Five-0 must use his past reporting to hunt down a presumed dead Congolese warlord who is alive and well living on Oahu. Also, as Valentine's Day approaches, Danny overreacts when Grace's texts to a boy start accidently coming up on his cell phone.
06 February, 2015Hawaii Five-0720p
S5
E14 -
Powehiwehi (Blackout)
While Five-0 hunts for a notorious criminal who has never been seen, Kono must fight for her life when she discovers the villain's identity. Also, Kono confesses to Adam that she's conflicted about their future together because of his ties to his formerly corrupt family business.
30 January, 2015Hawaii Five-0720p
S5
E13 -
Lā Pōʻino (Doomsday)
Five-0 must find a kidnapped patient infected with a contagious and lethal strain of bird flu which the culprits intend to weaponize.
16 January, 2015Hawaii Five-0720p
S5
E12 -
Poina ‘Ole (Not Forgotten)
A neurosurgeon is assassinated just before performing a surgery. The investigation uncovers the truth behind the disappearance of four reform school boys over 40 years ago. Meanwhile, McGarrett's beloved Mercury Marquis is stolen by an unlikely culprit.
09 January, 2015Hawaii Five-0720p
S5
E11 -
Ua 'aihue (Stolen)
When a tourist is killed after unknowingly transporting a stolen Van Gogh, an undercover Kono and Chin enter the world of black market priceless art and are taken hostage. Also, McGarrett asks Iron Chef Masaharu Morimoto to help train Kamekona to beat Chef Sam Choy in a shrimp cook-off.
02 January, 2015Hawaii Five-0720p
S5
E10 -
Wāwahi moe'uhane (Broken Dreams)
With the help of an ex-HPD officer-turned private detective, Five-0 tries to solve the homicide of a woman who was working for a hula dancing company that is actually a front for an escort service.
12 December, 2014Hawaii Five-0720p
S5
E9 -
Ke Koho Mamao Aku (Longshot)
It's Christmas in Hawaii and Five-0 travels to the Big Island, where Max is forced to work with a rival medical examiner after a cowboy is poisoned. Meanwhile, McGarrett pressures Danny into stealing a Christmas tree.
21 November, 2014Hawaii Five-0720p
S5
E8 -
Ka Hana Malū (Inside Job)
While the team investigates a couple's murder in which their sons are the prime suspects, McGarrett is shocked when Aunt Deb returns to the island with her new fiancé.
