Gordon and Cameron struggle to make Joe’s vision a reality; Joe and Bosworth seek the funds to make the new machine.

As Cameron nears completion of the BIOS, a crisis threatens the project’s future and requires all hands on deck to save the machine.

Cameron bristles under a new manager as Joe and Gordon attempt to procure a key piece of new technology for the computer.

A breakthrough by Cameron places her at odds with Gordon, leaving Joe to make a tough decision. Meanwhile, Hurricane Alicia spurs some personal revelations.

The Texan company Cardiff Electronics gets a new employee from New York. He’s apparently working for IBM, but after the he gets the new job it gets clear that he…

Romance is in bloom at Ocean Park Hospital, as things heat up between Kara and Hunter. Also, Leo and Emma get romantic, as Emma gets unexpected news. Meanwhile, Dr. McAndrew…

Emma goes home and Jordi is on the edge of doing something illegal.

Adults at the Los Angeles’ Ocean Park Hospital lead an unlikely group of rebellious friends through adolescence.

Leo goes into a tailspin when Jordi’s surgery doesn’t proceed as expected; family members turn to their connections in hope of procuring a donor heart for Kara.

A visitor from Jordi’s past throws the hospital into chaos; Dr. McAndrews unintentionally betrays a patient; Kara tests Nurse Jackson.

Friendships start to form when Jordi starts his treatment; Kara goes back to school; Emma attends her first dance; and Leo finds himself in an awkward position.

When the truth about Charlie’s accident comes out, Nurse Jackson crosses a line to keep a promise to him; Jordi gets the freedom he wants.

After Leo abandons Emma, Jordi makes his move. A new patient puts Kara off balance and nurse Jackson fights to keep Charlie at Ocean Park.

Kara, Hunter, Jordi and Dash band together in support of Nurse Jackson, whose actions have caught up with her. Meanwhile, Emma meets Leo’s friends from home, and one of the…

Dr. Naday comes to Ocean Park Hospital, although his approach to treatment has Nurse Jackson questioning that decision. Meanwhile, Emma, Dash and Jordi search of the perfect gift, and Kara…

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…

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

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.

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…

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

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.

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…

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.

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

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.

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.

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

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…

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

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…

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.

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.

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.

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.

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…

Rayna is feeling conflicted about leaving the children behind to go back on tour. Sadie runs into a former partner.

Rayna has to choose between two men and two directions her life might take.

Rayna attempts to use some new publicity opportunities to promote her album and the record label.

Juliette attempts to hide a secret that could stop her from getting a role in a film.

Rayna wants Sadie to sign to her label and entices her with a girls’ day out. Juliette is unable to hide her pregnancy symptoms any longer.