Hawaii Five-0 Season 4

Season 4

Picking up where Season 3 left off, we find McGarrett and Wo Fat cornered by unknown assailants in a detainment facility in season 4 of Hawaii Five-0, forcing McGarrett to break the law and turn on his own in order to find a kidnapped Catherine. Meanwhile Kono and Adam's secret location in Hong Kong is compromised, and Kono and Adam fight to stay alive when their hidden location is discovered.

Air date: 2013-09-27

Episodes: 22

Episodes

E1: Aloha Ke Kahi I Ke Kahi (We Need Each Another)

After McGarrett and Wo Fat narrowly escape from maximum security, gunmen storm Five-0 headquarters, compromising Kono and Adam's secret location in Hong Kong and forcing McGarrett to break the law and turn on his own in order to find a kidnapped Catherine.

Air date: 2013-09-27 • ★ 8.2

E2: A‘ale Ma‘a Wau (Fish Out of Water)

As the Five-0 team members investigate a murder, they are led to a Texas ranger who came to Hawaii to look for his daughter; Adam and Kono fight to stay alive.

Air date: 2013-10-04 • ★ 8.444

E3: Ka ʻoiaʻiʻo ma loko (The Truth Within)

A conspiracy theorist helps Five-0 when a missing artifact is the key to solving a double murder.

Air date: 2013-10-11 • ★ 8.556

E4: A Ia La Aku (From This Day Forward)

Five-0 investigates the murder of a wedding crasher, and their prime suspect is the runaway bride. Meanwhile, Danny makes a big decision regarding his relationship with Gabby.

Air date: 2013-10-18 • ★ 8.2

E5: Kupu‘eu (Fallen Hero)

As Catherine’s seemingly harmless surveillance job takes a deadly turn, Adam considers making the ultimate sacrifice to save Kono.

Air date: 2013-10-25 • ★ 7.2

E6: Kupouli ‘La (Broken)

When Halloween comes to Hawaii and a zombie-like man is shot, Five-0 races to stop a madman who is conducting experiments on humans.

Air date: 2013-11-01 • ★ 8.4

E7: Ua Nalohia (In Deep)

While working the murder case of an undercover ATF agent, McGarrett and the Five-0 team are tasked with watching Mary’s newly adopted baby after she gets sick.

Air date: 2013-11-08 • ★ 8.5

E8: Akanahe (Reluctant Partners)

McGarrett and Grover must work together to protect national security after they are tasked by the Governor to serve a warrant to a young computer hacker.

Air date: 2013-11-15 • ★ 8.364

E9: Hau‘oli La Ho‘omaika‘i (Happy Thanksgiving)

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.

Air date: 2013-11-22 • ★ 8

E10: Ho‘onani Makuakane (Honor Thy Father)

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.

Air date: 2013-12-13 • ★ 8.6

E11: Pukana (Keepsake)

An investigation involving a potential serial killer puts Chin's life in danger; Grace and Danny find a mysterious puzzle box.

Air date: 2013-12-20 • ★ 8.111

E12: O Kela Me Keia Manawa (Now and Then)

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.

Air date: 2014-01-10 • ★ 7.9

E13: Hana Lokomaika‘i (The Favor)

Chin is questioned about his father's murder and how his relationship with Malia and her family could have adversely affected the investigation.

Air date: 2014-01-17 • ★ 7.9

E14: Na hala a ka makua (Sins of the Father)

An escaped convict who wants Five-0 to prove his innocence abducts Danny and McGarrett; Grace punches a person at school.

Air date: 2014-01-31 • ★ 8.7

E15: Pale'la (Buried Secrets)

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.

Air date: 2014-02-28 • ★ 7.9

E16: Hoku Welowelo (Fire in the Sky)

A triple homicide is linked to a secret, downed Chinese satellite; Danny's mother goes on a ride-along with Grover.

Air date: 2014-03-07 • ★ 7.9

E17: Ma Lalo o ka ʻlli (Beneath the Surface)

A man is shot as his daughter is abducted; Danny tries to reunite his parents; Jerry finds a code on McGarrett's champ box.

Air date: 2014-03-14 • ★ 8.111

E18: Ho‘i Hou (Reunited)

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.

Air date: 2014-04-04 • ★ 8

E19: Ku I Ka Pili Koko (Blood Brothers)

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.

Air date: 2014-04-11 • ★ 8.2

E20: Pe‘epe‘e Kānaka (Those Among Us)

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.

Air date: 2014-04-25 • ★ 7.4

E21: Makani ʻOlu a Holo Malie (Fair Winds and Following Seas)

McGarrett and Catherine travel overseas to Afghanistan to stop the Taliban from harming a young boy whose family saved Catherine's life years ago.

Air date: 2014-05-02 • ★ 7.6

E22: O ka Pili ‘Ohana Ka ‘Oi (Family Comes First)

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.

Air date: 2014-05-09 • ★ 8.3