A'ole e 'ōlelo mai ana ke ahi ua ana ia
(Fire Will Never Say that It Has Had Enough) The team investigates a world class hacker who turns out to be the brother of serial hacker Ian Wright, who hacks into the Hawaii State .. show full overview
Na La 'Ilio
(Dog Days) McGarrett and Five-0 work with an injured police dog who is the only witness to an ambushed drug bust. Also, McGarrett is visited by Junior Reigns, a former SEAL, who is looking to join the task force.
Kau Pahi, Ko'u Kua. Kau Pu, Ko'u Po'O
(Your Knife, My Back. My Gun, Your Head) The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; McGarrett and Danny work out details concerning their new restaurant venture.
E uhi wale no 'a'ole e nalo, he imu puhi
(No Matter How Much One Covers a Steaming Imu, The Smoke Will Rise) The lives of Five-0's informants are in danger when the HPD system is hacked and one ends up dead, forcing McGarrett to enlist the help of hacker Aaron Wright.
Kama'oma'o, ka 'aina huli hana
(At Kama'oma'o, The Land of Activities) At Halloween, Five-0 must investigate a string of murders that mirror stories from well-known Hawaiian folklore. Also, Grover is called to visit a .. show full overview
Mohala I Ka Wai Ka Maka O Ka Pua
(Unfolded by the Water are the Faces of the Flowers) The murder of two tourists leads Five-0 to a man suffering from multiple personality disorder, where one of them becomes violent and .. show full overview
Kau Ka ‘onohi Ali'i I Luna
(The Royal Eyes Rest Above) Junior and Adam back up McGarrett when a bank heist in progress forces Steve to make a potentially heartbreaking mistake. Also, Adam is forced to face an empty home without Kono.
He Kaha Lu'u Ke Ala, Mai Ho'okolo Aku
(The Trail Leads to a Diving Place, Do Not Follow After) McGarrett poses as a pilot to investigate the cause of a plane crash that led to the death of a pilot in an air race.
Make Me Kai
(Death at Sea) When investigating a deserted yacht adrift at sea, McGarrett, Danny, Tani and Junior are exposed to a deadly bioweapon and the rest of Five-0 have only eight hours to find an antidote.
I Ka Wa Ma Mua, I Ka Wa Ma Hope
(The Future is in the Past) When Danny is shot while quarantined in the hospital with McGarrett, Tani and Junior, he's left unconscious and clinging to life, imagining a future for everyone in Five-0.
Oni Kalalea Ke Ku A Ka La'au Loa
(A Tall Tree Stands Above the Others) It's Christmas Eve and Danny tells Charlie a bedtime story about a recent Five-0 case involving bad Santas and a holiday miracle.
Ka Hopu Nui 'Ana
(The Round Up) 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. Also, McGarrett .. show full overview
O Ka Mea Ua Hala, Ua Hala Ia
(What is Gone is Gone) When a man accused of killing his wife threatens to commit suicide, Grover reveals how he too was once on the brink of taking his own life.
Na Keiki a Kalaihaohia
(The Children of Kalaihaohia) When the corpse of a diamond smuggler is stolen from a graveyard, Five-0 tracks down his partner, Voss, who will stop at nothing to retrieve their latest .. show full overview
He Puko'a Kani 'Aina
(A Coral Reef Strengthens Out into Land) McGarrett and Danny investigate the murder of a private detective whose client was killed the same way, and Adam sends Jessie into a dangerous .. show full overview
O Na Hoku o Ka Lani Ka I 'Ike Ia Pae'
(Only the Stars of Heaven Know Where Pae Is) Tani and Junior go undercover as prospective parents in order to infiltrate a private school where the headmaster was murdered. Also, Adam's .. show full overview
Holapu ke ahi, koe iho ka lehu
(The Fire Blazed Up, Then Only Ashes Were Left) Adam's mission to take down organized crime on the Island goes sideways when deadly chlorine gas he was using to bait a big fish falls .. show full overview
E Ho'oko Kuleana
(To Do One's Duty) The ex-wife of the man who shot Danny reveals how Danny helped save her life; Tani and Junior are assigned to walk the beat as uniformed officers for the day; Adam is .. show full overview
Aohe Mea Make I Ka Hewa; Make No I Ka Mihi Ole
(No One Has Ever Died For the Mistakes He Has Made; Only Because He Didn't Repent) A hitman, Leroy Davis, McGarrett's father failed to arrest comes to McGarrett to finally confess his .. show full overview
He Lokomaika’i Ka Manu O Kaiona
(Kind is the Bird of Kaiona) Catherine Rollins recruits McGarrett and Jerry to help her track down a uranium deposit thought to be hidden on an abandoned Hawaiian island before a .. show full overview
Ahuwale Ka Nane Huna
(The Answer to the Riddle is Seen) Harry Langford enlists McGarrett and Danny's help to track down Lady Sophie, a teenage British royal who has run away while under his protection. Also, .. show full overview
Kopi Wale No I Ka I'a A 'Eu No Ka Ilo
(Though the Fish is Well Salted, the Maggots Crawl) Five-0 must help Duke after he is forced to steal crucial evidence from the police locker in exchange for his kidnapped granddaughter. .. show full overview
Ka Hana a Ka Makua, O Ka Hana No Ia a Keiki
(What Parents Do, Children Will Do) McGarrett and Five-0 take on the mob when a former boss is killed and Junior’s friend Cammy Lin is on the run after witnessing the hit.
Ka Lala Kaukonakona Haki 'Ole I Ka Pa a Ka Makani Kona
(The Tough Branch That Does Not Break in the Kona Gale)