Five-0 helps sober up three married men and sort out the events of their wild night to find who killed the woman found in their hotel suite. Jerry witnesses a woman’s kidnapping off the streets of O'ahu.moreless
When an Elvis impersonator is killed and his body stolen, Five-0 is on the case after it's discovered the culprits are after the hidden diamonds sewn into the victim’s costume. Gabriel returns asking for Chin's help in getting off the island.moreless
Grover's oldest and closest friend tells him that he witnessed his wife fall off a cliff to her death, but Grover suspects it was no accident. Meanwhile, Danny and Dr. Shaw get trapped in an elevator with a dead body that needs to be processed.moreless
Steve and Danny work on their relationship when they stake out the apartment of a woman who fled from a diamond robbery.
A patient infected with a contagious and lethal strain of bird flu is kidnapped and the culprits intend to weaponize the virus.
A neurosurgeon is assassinated just before performing a surgery. The investigation uncovers the truth behind the disappearance of four reform school boys over 40 years ago. Meanwhile, McGarrett's beloved Mercury Marquis is stolen by an unlikely culprit.moreless
An old-school private detective helps Five-0 investigate the murder of a young woman who was secretly working as an escort.
Five-0 travels to the Big Island to investigate when a cowboy is poisoned. Where there, Max is forced to work with a rival medical examiner. Meanwhile, McGarrett pressures Danny to steal a Christmas tree.moreless
The team investigates when two sons are the prime suspects in their parents' murder. Aunt Deb shocks McGarrett when she returns for a visit with a new fiancé.
McGarrett is kidnapped by Wo Fat and witnesses what would have happened to the Five-0 team if they had taken a very different path. Five for Fighting performs "All for One" to celebrate show's 100th episode.moreless
Five-0 search for a serial killer who is copying murders depicted in a cult slasher film. Meanwhile, Jerry is kidnapped by the counterfeiters he has been tracking.
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.
A Detroit hit man is murdered by one of his colleagues on the streets of Oahu, and Steve is shocked when he learns the killer's surprising motive. Meanwhile, Chin puts his career on the line to help Danny get the money he needs to save his brother's life.moreless
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.
Season 5 begins with the island of O'ahu being put on lockdown when Five-0 hunts a terrorist who is using weaponized drones on civilians. Meanwhile, Steve and Danny attend a mandated review with a psychologist that looks like couples therapy.moreless
Captain Grover must steal $100 million dollars in order to get back his kidnapped daughter.
Steve and Catherine journey to Afghanistan to help a young boy whose family is responsible for saving Catherine's life many years ago.
As Five-0 investigate the death of a pool cleaner, they uncover a group of radicalized students who may be plotting a terrorist attack on U.S. soil.
After following up on a tip, Steve and Danny are trapped inside an abandoned building that is rigged to explode.
The daughter of a macadamia nut tycoon is murdered during Chin's high-school reunion. The investigation reveals that the victim was killed with a stiletto heel.
Five-0 investigates three murders that appear related to a downed top-secret Chinese satellite. Captain Grover lets Clara accompany him on a ride-along.
The team investigate when the body of a real estate agent is found buried at one of his listings. Danny's mother unexpectedly comes to town with some extremely startling news.
An escaped convict out to prove his innocence kidnaps Steve and Danny. Grace punches out another student at school.
The murder of Chin’s father, 15 years ago becomes the focus of Internal Affairs and there are questions regarding Malia’s relationship with Chin and its impact on the prior investigation.
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.
A serial killer at the heart of Five-0's investigation puts Chin's life in danger. While on the shores of Oahu, Danny and Grace come upon an odd puzzle box.
When someone tries to kill a Pearl Harbor veteran, Five-0 links evidence to a crime committed within the internment camps on Oahu during World War II.
With the President on the way to Oahu, Five-0 is tasked with the murder investigation of a secret service agent. Steve's Aunt Deb comes for a visit along with an eye opening secret.moreless
With national security in mind and at the behest of the Governor, McGarrett and Captain Grover set out to serve a warrant on a young computer hacker.