Seasons & episodes
S4 · E9Hau‘oli La Ho‘omaika‘i (Happy Thanksgiving) 2013-11-22 · 44 min
As Thanksgiving approaches, Five-0 investigates the murder of a secret service agent just as the President travels to Oahu. Also, McGarrett's Aunt Deb visits, bringing with her a shocking secret.
S4 · E10Ho‘onani Makuakane (Honor Thy Father) 2013-12-13 · 45 min
The attempted murder of a Pearl Harbor veteran leads Five-0 to use decades old evidence to investigate a deadly crime committed within the internment camps on Oahu during World War II.
S4 · E11Pukana (Keepsake) 2013-12-20 · 44 min
An investigation involving a potential serial killer puts Chin's life in danger; Grace and Danny find a mysterious puzzle box.
S4 · E12O Kela Me Keia Manawa (Now and Then) 2014-01-10 · 44 min
Captain Grover is aided by McGarrett in his search for a friend who has disappeared, after it seems like he's committed murder. Kono persists in her quest to find Adam.
S4 · E13Hana Lokomaika‘i (The Favor) 2014-01-17 · 42 min
Chin is questioned about his father's murder and how his relationship with Malia and her family could have adversely affected the investigation.
S4 · E14Na hala a ka makua (Sins of the Father) 2014-01-31 · 44 min
An escaped convict who wants Five-0 to prove his innocence abducts Danny and McGarrett; Grace punches a person at school.
S4 · E15Pale'la (Buried Secrets) 2014-02-28 · 44 min
A real estate agent is found dead inside the walls of one of his listings. Meanwhile, Danny's mother makes an unexpected visit and brings with her some shocking news.
S4 · E16Hoku Welowelo (Fire in the Sky) 2014-03-07 · 43 min
A triple homicide is linked to a secret, downed Chinese satellite; Danny's mother goes on a ride-along with Grover.
S4 · E17Ma Lalo o ka ʻlli (Beneath the Surface) 2014-03-14 · 43 min
A man is shot as his daughter is abducted; Danny tries to reunite his parents; Jerry finds a code on McGarrett's champ box.
S4 · E18Ho‘i Hou (Reunited) 2014-04-04 · 44 min
Fan-built Episode. Five-0 investigates when the daughter of a macadamia nut tycoon is murdered with a stiletto heel during Chin’s high school reunion.
S4 · E19Ku I Ka Pili Koko (Blood Brothers) 2014-04-11 · 44 min
Five-0 is set up when a bad tip leads them to an abandoned building that is rigged to explode with McGarrett and Danny trapped inside.
S4 · E20Pe‘epe‘e Kānaka (Those Among Us) 2014-04-25 · 42 min
The investigation of a murdered pool cleaner leads the Five-0 team to a possible terrorist cell of radicalized students plotting an attack on U.S. soil.
S4 · E21Makani ʻOlu a Holo Malie (Fair Winds and Following Seas) 2014-05-02 · 44 min
McGarrett and Catherine travel overseas to Afghanistan to stop the Taliban from harming a young boy whose family saved Catherine's life years ago.
S4 · E22O ka Pili ‘Ohana Ka ‘Oi (Family Comes First) 2014-05-09 · 43 min
When Grover's daughter is kidnapped by an old nemesis, he is forced to help steal $100 million in order to get her back. Meanwhile, Wo Fat escapes prison and heads back to Oahu.
S5 · E1Aʻohe kahi e peʻe ai (Nowhere to Hide) 2014-09-26 · 44 min
The island of O’ahu goes on lockdown when Five-0 hunts a terrorist who starts using weaponized drones on civilians. Meanwhile, McGarrett and Danno must go for a mandated review with a psychologist, resulting in a session which looks a lot like couples therapy.
S5 · E2Ka Makuakāne (Family Man) 2014-10-03 · 44 min
While a Navy Seal is on a secret mission, his young daughter is kidnapped; Danny must find $18.5 million in order to save his brother.
S5 · E3Kanalu Hope Loa (The Last Break) 2014-10-10 · 45 min
Three young women rob a tour bus, but things go horribly wrong when a man is killed and the women unknowingly steal something of great value that puts their lives in danger.
S5 · E4Ka Noʻeau (The Painter) 2014-10-17 · 44 min
When a Detroit hit man is taken out by one of his colleagues on the streets of Oahu, Five-0 is shocked to learn the killer's surprising motives. Meanwhile, Chin puts his career on the line to help Danny get the money he needs to save his brother's life.
S5 · E5Hoʻoilina (Legacy) 2014-10-24 · 44 min
On the fourth anniversary of his father's death, McGarrett meets a woman who helps him reopen the last unsolved case his dad worked on before he died.
S5 · E6Hoʻomāʻike (Unmasked) 2014-10-31 · 44 min
It's Halloween and Five-0 must track down a serial killer who is copying murders depicted in a cult slasher film. Meanwhile, McGarrett must help Jerry after he is kidnapped by the counterfeiters he has been tracking.
S5 · E7Inā Paha (If Perhaps) 2014-11-07 · 44 min
When McGarrett is kidnapped by Wo Fat, he experiences what would have happened to the team if they had taken a very different path, on the 100th episode.
S5 · E8Ka Hana Malū (Inside Job) 2014-11-21 · 44 min
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.
S5 · E9Ke Koho Mamao Aku (Longshot) 2014-12-12 · 43 min
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.
S5 · E10Wāwahi moeʻuhane (Broken Dreams) 2015-01-02 · 44 min
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.