Seasons & episodes
S8 · E8He Kaha Luʻu Ke Ala, Mai Hoʻokolo Aku (The Trail Leads to a Diving Place, Do Not Follow After) 2017-12-01 · 43 min
McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.
S8 · E9Make me kai (Death at Sea) 2017-12-08 · 44 min
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.
S8 · E10I ka wa ma mua, I ka wa ma hope (The Future Is in the Past) 2017-12-15 · 43 min
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.
S8 · E11Oni kalalea ke ku a ka laʻau loa (A Tall Tree Stands Above the Others) 2017-12-15 · 42 min
It's Christmas Eve and Danny tells Charlie a bedtime story about a recent Five-0 case involving criminals dressed as Santas and a holiday miracle.
S8 · E12Ka hopu nui ʻana (The Round Up) 2018-01-05 · 43 min
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 tasks Adam with forming a new division within Five-0 to take on organized crime.
S8 · E13O ka mea ua hala, ua hala ia (What Is Gone Is Gone) 2018-01-12 · 43 min
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.
S8 · E14Nā keiki a Kalaihaohia (The Children of Kalaihoahia) 2018-01-19 · 41 min
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 batch of contraband. Also, Adam recruits a new confidential informant, Jessie Nomura; Tani gets a devastating call; and McGarrett tasks Pua to find his and Danny's stolen tools.
S8 · E15He pukoʻa kani ʻaaina (A Coral Reef Strengthens Out Into Land) 2018-02-02 · 42 min
McGarrett and Danny investigate the murder of a private detective whose client was killed the same way, and Adam sends Jessie into a dangerous situation with disastrous consequences. Also, Danny’s uncle, Vito, comes to town to help Danny and McGarrett get their restaurant up and running.
S8 · E16O na hoku o ka lani ka i ʻike ia Paeʻ (Only the Stars of Heaven Know Where Pae Is) 2018-03-02 · 43 min
Tani and Junior go undercover as prospective parents in order to infiltrate a private school where the headmaster was murdered. Also, Adam's life is on the line when he is held captive and forced to produce a hidden massive amount of money.
S8 · E17Hōlapu ke ahi, koe iho ka lehu (The Fire Blazed Up, Then Only Ashes Were Left) 2018-03-09 · 43 min
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 into the wrong hands. Also, Adam begins to doubt Jessie's allegiance.
S8 · E18E hoʻokō kuleana (To Do One's Duty) 2018-03-30 · 44 min
The ex-wife of the man who shot Danny comes to Oahu and reveals how Danny’s protection during a dangerous domestic dispute when he was in New Jersey helped save her life. Also, Tani and Junior are assigned to walk the beat as uniformed officers for the day, and Adam is framed for the murder of the crime boss he has been tracking.
S8 · E19Aohe 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) 2018-04-06 · 43 min
A hitman, Leroy Davis, McGarrett’s father failed to arrest comes to McGarrett to finally confess his crimes and admit where he buried his victims. Also, Jessie makes a dangerous decision that could ruin Adam’s life.
S8 · E20He lokomaikaʻi ka manu o Kaiona (Kind Is the Bird of Kaiona) 2018-04-13 · 44 min
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 suspected terrorist can make dirty bombs with it. Also, when Junior falls and is trapped in a ravine, he reflects on his estranged relationship with his father.
S8 · E21Ahuwale ka nane huna (The Answer to the Riddle Is Seen) 2018-04-20 · 43 min
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, Grover, Tani and Junior work a 25-year-old murder case after a mysterious Betamax tape arrives at 5-0 headquarters.
S8 · E22Kopi wale no i ka iʻa a ‘eu no ka ilo (Though the Fish Is Well Salted, the Maggots Crawl.) 2018-04-27 · 42 min
Harry Five-0 must help Duke after he is forced to steal crucial evidence from the police locker in exchange for his kidnapped granddaughter. Also, Jerry goes undercover at a mental health facility in order to solve a murder.
S8 · E23Ka Hana a ka makua, o ka hana no ia a keiki (What Parents Do, Children Will Do) 2018-05-04 · 42 min
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.
S8 · E24Ka lala kaukonakona haki ʻole I ka pa a ka makani Kona (The Tough Branch That Does Not Break in the Kona Gale) 2018-05-11 · 43 min
McGarrett joins Junior and his SEAL Team on a high risk covert mission to capture an elusive target who is holding his mentor, Joe White, hostage. Also, Gerard Hirsch and Kamekona help Grover and Tani on a murder case involving masterpieces stolen by the Nazis during WWII and Tani makes a shocking discovery.
S8 · E25Waiho wale kahiko (Ancients Exposed) 2018-05-18 · 43 min
McGarrett and Five-0 discover a Russian spy ring hiding in plain sight on Oahu when a Russian nuclear attack submarine appears on the coast of Waikiki. Also, Tani is conflicted by her unnerving discovery at Adam's house.
S9 · E1Ka ʻowili ʻokaʻi (Cocoon) 2018-09-28 · 44 min
After Steve’s CIA agent friend is killed, McGarrett lets himself be captured by the group he thinks is responsible and endures a torturous sensory deprivation tank to find the killer. Also, Tani wrestles with whether or not she will tell McGarrett about the murder weapon she found at Adam’s house.
S9 · E2Ke kanaka i hāʻule mai ka lewa mai (The Man Who Fell from the Sky) 2018-10-05 · 42 min
When a vacationing dad on a flight to Honolulu is kidnapped and forced to parachute mid-flight, Danny, Tani and Junior track him through the jungle to discover that he may not be who he seems. Also, McGarrett is threatened with a secret from his past.
S9 · E3Mimiki ke kai, ahuwale ka papa leho (When the Sea Draws Out the Tidal Wave, the Rocks Where the Cowries Hide Are Exposed) 2018-10-12 · 42 min
Crime spikes when a heat wave hits Oahu, causing McGarrett and Danny to hunt down a bank thief, and Tani and Junior's car is stolen while they're on duty. Also, Grover plays the golf game of a lifetime, and Kamekona incites a riot by price-gouging on his shave ice.
S9 · E4Aʻohe kio pohaku nalo i ke alo pali (On the Slope of the Cliff, Not One Jutting Rock Is Hidden from Sight) 2018-10-19 · 44 min
Jerry accompanies Junior as he escorts a fallen soldier home to Oahu. Also, McGarrett and Danny discover a dead body when they delve into the illegal and highly profitable black market for sand.
S9 · E5Aʻohe mea ʻimi a ka maka (Nothing More the Eyes to Search for) 2018-10-26 · 43 min
On Halloween, Jerry and his friends search his childhood camp for evidence to a murder he witnessed as a boy, while McGarrett investigates a little girl who drew pictures depicting the scene of a recent murder before it was discovered.
S9 · E6Aia i Hi‘ikua, i Hi‘ialo (Is Borne on the Back, Is Borne in the Arms) 2018-11-02 · 44 min
McGarrett crosses the line and is arrested while investigating the death of his former SEAL buddy, who died while making an emergency landing on an aircraft carrier, and the only survivor is a baby. Also, Adam returns to Oahu with some devastating news about his marriage.