The Best Episodes of Hawaii Five-0 Season 4

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.

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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.

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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.

Director: Maja Vrvilo

Writer: N/A

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.

Director: Jerry Levine

Writer: Steven Lilien, Bryan Wynbrandt

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

Director: Peter Weller

Writer: N/A

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

Director: Bryan Spicer

Writer: N/A

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.

Director: Bryan Spicer

Writer: Ken Solarz, Peter M. Lenkov

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.

Director: Joe Dante

Writer: N/A

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

Director: Duane Clark

Writer: Steven Lilien, Bryan Wynbrandt

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.

Director: Peter Weller

Writer: N/A

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

Director: Sylvain White

Writer: Peter M. Lenkov

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

Director: Bryan Spicer

Writer: Bill Haynes, John Dove

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

Director: N/A

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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.

Director: Joe Dante

Writer: N/A

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.

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Writer: N/A

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.

Director: N/A

Writer: N/A

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

Director: Jeffrey G. Hunt

Writer: Steven Lilien, Bryan Wynbrandt

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.

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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.

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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.

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

Director: Jeffrey G. Hunt

Writer: Ken Solarz, Eric Guggenheim, Peter M. Lenkov

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.

Director: N/A

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