4 seasons available
A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin; the team says goodbye to one of its own.
Tani and Junior must plot an escape for themselves and several civilians after they become trapped inside a deadly tunnel collapse; Eddie the dog sniffs out a bomb that has been planted in McGarrett's home.
A plane that mysteriously crashed into the Pacific in the '80s is found, but with a recently murdered scuba diver inside; McGarrett and Quinn zero in on who planted the bomb in his garage; McGarrett formally asks Quinn to join the team.
Five-0 enlists imprisoned hacker Aaron Wright to help when a young girl is reported kidnapped.
The team investigates a home invasion that turned deadly after a dangerous "monster" escaped from the basement; Max returns to Oahu with a very special guest.
A deadly hit-and-run involves a driverless car carrying heroin; Tani and Quinn are stuck with a pair of YouTubers who are brought on a ride-along.
When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes to Mexico to bring her home and prove her innocence.
The team searches for a killer whose plane crashed in the jungle with $10 million worth of heroin on board; Grover is thrilled when his niece Siobhan comes to try out for the University of Hawaii basketball team.
Junior and Tani track down the thief who robbed his parents' home; Five-0 investigates the murder of a beloved philanthropist and the theft of his valuable koa tree; Danny moves in with McGarrett.
When Adam's girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back; the team investigates three seemingly unconnected homicides.
A tourist helicopter is shot down by a missile; a search for stolen artillery leads to a ghost from McGarrett's past -- Wo Fat; Adam makes a bold decision about his future with Five-0.
A murdered man's body may hold the key to a 20-year-old case involving a kidnapped girl whose father never stopped looking for her.
Adam investigates the murder of an undercover FBI agent who was about to wed the daughter of a Yakuza leader; Noelani is held hostage and forced, along with her mentor Dr. Chu, to operate at gunpoint on a criminal.
McGarrett helps his sister spy on her shady neighbors; a ride-share driver and his passenger are murdered; the team teases the youngest members when Junior escorts Tani to a wedding.
Fugitive hacker Aaron Wright resurfaces to ask for help when his co-workers at the NSA are murdered; Junior speaks at the parole hearing of the drunken driver who killed his sister.
Five-0 continues to hunt down escaped criminal Aaron Wright before he can sell cyber-weapons to the highest bidder; the lives of McGarrett and the team members are put in danger when a visitor comes to headquarters to make amends.
A bank heist in progress forces Steve to make a potentially heartbreaking mistake; Adam faces an empty home without Kono.
McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.
McGarrett, Danny, Tani, and Junior are exposed to a deadly biological weapon; the rest of the team has eight hours to find an antidote.
Danny is shot while quarantined in the hospital; unconscious, he clings to life and imagines a future for everyone.
Danny tells Charlie a bedtime story about a case involving bad Santas and a holiday miracle.
When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit responsible for the murder.
Grover must prevent a man who is accused of killing his wife from committing suicide.
The corpse of a diamond smuggler is stolen from a graveyard; Five-0 tracks down his partner, who is determined to retrieve their latest batch of contraband; Adam recruits a new, confidential informant; Tani gets a devastating call.
McGarrett and Danny investigate the murder of a private detective whose client was killed the same way; Adam sends Jessie into a dangerous situation with disastrous consequences; Danny's uncle comes to town to help with the restaurant.
Tani and Junior go undercover as prospective parents to infiltrate a private school where the headmaster was murdered; Adam's life is on the line when he is held captive and forced to produce a massive amount of money.
On Halloween, the team investigates the murder of a medium who was apparently frightened to death by a poltergeist; a mysterious death cult kidnaps Kono and Adam.
Catherine informs Five-0 that McGarrett's mother has been captured and is in danger of being executed for trying to free Wo Fat's imprisoned father; Chin is unable to delay Sara's adoption.
While Danny chaperones Grace's high school dance, the venue is seized by terrorists, who hold everyone hostage with the intent of abducting a diplomat's son; Danny and Grover discover that Will is Grace's secret boyfriend.
A conspiracy theorist with compelling information that JFK's own cabinet planned his assassination is murdered.
A boy suffering from PTSD undergoes hypnosis and realizes he may have witnessed a murder related to a 10-year-old cold case; Danny's sister visits Oahu.
The team rushes to Mexico, where Chin puts his life in jeopardy in an effort to rescue Sara, his kidnapped niece.
When Chin is kidnapped by a Mexican cartel, Five-0 must rescue him before he is executed by the vengeful group; Grover goes undercover to investigate a murder, which turns out to be far more complex and dangerous than anticipated.
While Max prepares to say his goodbyes, the team investigates a murder during a police convention on the island.
The team faces a contentious U.S. Marshall after a murder suspect escapes capture and looks for asylum in the sovereign land that belongs to the Nation of Hawaii.
While working a murder case, Five-0 discovers that a former Nazi war criminal may be hiding out in an old leprosy colony in Hawaii.
While McGarrett and Danno celebrate Valentine's Day with their girlfriends, the Five-0 team investigates the murder of a man taking a class on how to meet women.
The Five-0 must once again engage in the twisted mind games of serial killer Dr. Madison Gray when she arrives at the HPD covered in blood that matches Alicia Brown's.
After tracking down the missing uranium, which has been used to build a bomb in the middle of the jungle, McGarrett and Danny must move the explosive material through treacherous terrain before it detonates.
McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island; Chin and Grover investigate a murder at a sober living facility.
The Five-0 helps a private investigator in the case of a kidnapped woman whose husband may have something to hide; Rachel tells Danny that she is getting a divorce from Stan.
McGarrett and the Five-0 are captured while tracking a dangerous nemesis to the island of Lanai; Grover takes his son to Chicago, where he testifies against a dirty cop.
McGarrett works the murder case of one of the last survivors of the USS Arizona; Adam uncovers bone fragments at his new construction job.
Danny protects a coma patient who was the key witness from his last case at the Hawaiian Police Department.
McGarrett gets a tip that someone is plotting a terror attack on Oahu; Chin and Abby face a difficult decision.
McGarrett risks his life when Five-0 attempts to rescue the young girls trapped in the sex trafficking ring they have been tracking; Kono makes a life-changing decision.