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Season 4 Plot

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.

Hawaii Five-0 Season 4 aired on September 27th, 2013.

Watch 'Hawaii Five-0' Season 4 Online

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Season 4 Episodes

79

1. Aloha Ke Kahi I Ke Kahi (We Need Each Another)

September 27th, 201343 min

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.

86

2. A‘ale Ma‘a Wau (Fish Out of Water)

October 4th, 201344 min

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.

86

3. Ka 'oia' i' o ma loko (The Truth Within)

October 11th, 201344 min

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

83

4. A Ia La Aku (From This Day Forward)

October 18th, 201344 min

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.

79

5. Kupu‘eu (Fallen Hero)

October 25th, 201344 min

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

85

6. Kupouli ‘La (Broken)

November 1st, 201344 min

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.

86

7. Ua Nalohia (In Deep)

November 8th, 201344 min

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.

84

8. Akanahe (Reluctant Partners)

November 15th, 201343 min

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.

81

9. Hau‘oli La Ho‘omaika‘i (Happy Thanksgiving)

November 22nd, 201344 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.

86

10. Ho‘onani Makuakane (Honor Thy Father)

December 13th, 201345 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.

82

11. Pukana (Keepsake)

December 20th, 201344 min

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

80

12. O Kela Me Keia Manawa (Now and Then)

January 10th, 201444 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.

79

13. Hana Lokomaika‘i (The Favor)

January 17th, 201442 min

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

88

14. Na hala a ka makua (Sins of the Father)

January 31st, 201444 min

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

81

15. Pale'la (Buried Secrets)

February 28th, 201444 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.

79

16. Hoku Welowelo (Fire in the Sky)

March 7th, 201443 min

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

81

17. Ma Lalo o ka 'lli (Beneath the Surface)

March 14th, 201443 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.

80

18. Ho‘i Hou (Reunited)

April 4th, 201444 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.

84

19. Ku I Ka Pili Koko (Blood Brothers)

April 11th, 201444 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.

73

20. Pe‘epe‘e Kānaka (Those Among Us)

April 25th, 201442 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.

77

21. Makani 'Olu a Holo Malie (Fair Winds and Following Seas)

May 2nd, 201444 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.

84

22. O ka Pili ‘Ohana Ka ‘Oi (Family Comes First)

May 9th, 201443 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.

All Seasons

Season 10

Season 10

Sep 27, 2019
Season 9

Season 9

Sep 28, 2018
Season 8

Season 8

Sep 29, 2017
Season 7

Season 7

Sep 23, 2016
Season 6

Season 6

Sep 25, 2015
Season 5

Season 5

Sep 26, 2014
Season 4

Season 4

Sep 27, 2013
Season 3

Season 3

Sep 24, 2012
Season 2

Season 2

Sep 19, 2011
Season 1

Season 1

Sep 20, 2010