5 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.
When the team must locate a girl who purchased a gun from a junkie, it discovers that the firearm, over the course of decades, has affected all of the teammates' lives.
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.
McGarrett and Danny recruit Tani Rey to join the task force when a hacker releases a dangerous arsonist from prison.
McGarrett and the team work with an injured police dog that is the only witness to an ambushed drug bust; a former SEAL looks to join the task force.
The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; MacGarrett and Danny work out details concerning their new restaurant venture.
When the HPD system is hacked and one of the Five-0's informants ends up dead, McGarrett enlists the help of hacker Aaron Wright, whom he just imprisoned.
At Halloween, the team investigates a string of murders that mirrors stories from well-known Hawaiian folklore; Grover visits a man who is hours away from execution and may hold the key to a case that has plagued Grover for years.
The murder of two tourists leads the team to a man who has multiple personality disorder; Danny and the others hire a stress management consultant to help McGarrett.
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.
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.
While McGarrett awaits trial for the murder of the governor, he receives an unexpected visit; Kono is suspended.
Lori Weston, an officer with excellent profiling skills, joins the Five-0 to ensure McGarrett and the team follow new rules set in place by Gov. Denning; a teenage paddleboard champion is abducted.
Joe White, McGarrett's mentor, asks the team to investigate the death of a Navy SEAL, which was previously ruled a suicide; Chin Ho is concerned when Kono starts fraternizing with a group of dirty ex-cops.
The team investigates the murder of a deep-sea diver famous for the valuable treasure he finds.
The team's investigation into a volleyball coach's murder reveals more bad news about Kono; Chin Ho reconnects with his ex-fiance.
McGarrett takes part in a charity MMA fight while investigating a wealthy restaurateur's murder; NCIS Agent Kensi Blye examines a video of McGarrett's father.
Two young people filming a documentary about a Hawaiian burial site are murdered; during the investigation, a drifter (Robert Englund) puts a curse on Danny.
The investigation into a plane crash reveals the customs agent on board was dead before takeoff; Danny cares for an orphaned dog.
The physically altered corpse of an unidentified man is found in the trunk of a stolen car; Danno crashes on McGarrett's couch.
McGarrett travels to North Korea with Jenna Kaye to deliver ransom to rebels holding her fiance hostage; the team investigates the murder of an investigative reporter who appears to have connections to Jenna.