Episodes
- S8 E1 - A'ole e 'olelo mai ana ke ahi ua ana iaSeptember 28, 201742minMcGarrett and Danny recruit Tani Rey (Meaghan Rath) to join the task force when diabolical hacker Aaron Wright (Joey Lawrence) releases a dangerous arsonist from prison, on the eighth season premiere of Hawaii Five-0. (TV-14 L, V)This video is currently unavailable
- S8 E2 - Na la ilioOctober 5, 201743minMcGarrett 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. (TV-14 V)This video is currently unavailable
- S8 E3 - Kau pahi, ko'u kua. Kau pu, ko'u po'oOctober 12, 201742minFive-0 enlists the help of an old friend when the boss of a major crime family is murdered, triggering revenge killings across the island. Also, MacGarrett and Danny begin sorting out particulars in their new restaurant venture. (TV-14 V)This video is currently unavailable
- S8 E4 - E uhi wale no 'a'ole e nalo, he imu puhiOctober 19, 201744minThe 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 (Joey Lawrence), who he just imprisoned. (TV-14 L, V)This video is currently unavailable
- S8 E5 - Kama'oma'o, ka 'aina huli hanaNovember 2, 201744minAt Halloween, Five-0 must investigate a string of murders that mirror stories from well-known Hawaiian folklore. Also, Grover is called to visit a man hours away from execution who may hold the key to a case that has plagued Grover for years.This video is currently unavailable
- S8 E6 - Mohala i ka wai ka maka o ka puaNovember 9, 201744minThe murder of two tourists leads Five-0 to a man suffering from multiple personality disorder, where one of them becomes violent and another is a child.This video is currently unavailable
- S8 E7 - Kau ka 'onohi ali'i i lunaNovember 16, 201742minJunior 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. (TV-14 V)This video is currently unavailable
- S8 E8 - He Kaha Lu'u Ke Ala, Mai Ho'okolo AkuNovember 30, 201743minMcGarrett poses as a pilot to investigate the cause of a plane crash that led to the death of a pilot in an air race. (TV-14 V)This video is currently unavailable
- S8 E9 - Make me kaiDecember 7, 201744minWhen 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. (TV-14 L, V)This video is currently unavailable
- S8 E10 - I ka wa ma mua, I ka wa ma hopeDecember 14, 201743minWhen 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. (TV-14 V)This video is currently unavailable
- S8 E11 - Oni kalalea ke ku a ka la'au loaDecember 14, 201742minIt's Christmas Eve and Danny tells Charlie a bedtime story about a recent Five-0 case involving bad Santas and a holiday miracle. (TV-14 V)This video is currently unavailable
- S8 E12 - Ka hopu nui 'anaJanuary 4, 201843minWhen 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.This video is currently unavailable
- S8 E13 - O ka mea ua hala, ua hala iaJanuary 11, 201844minWhen 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. (TV-14 V)This video is currently unavailable
- S8 E14 - Na keiki a KalaihaohiaJanuary 18, 201841minWhen the corpse of a diamond smuggler is stolen from a graveyard, Five-0 tracks down his partner, Voss (guest star 'American Idol' winner Phillip Phillips), who will stop at nothing to retrieve their latest batch of contraband.This video is currently unavailable
- S8 E15 - He puko'a kani 'aainaFebruary 1, 201844minMcGarrett and Danny investigate the murder of a private detective whose client was killed the same way, and Adam sends Jessie (Christine Ko) into a dangerous situation with disastrous consequences.This video is currently unavailable
- S8 E16 - O na hoku o ka lani wale no kai 'ike i kahi o PaeMarch 1, 201844minTani 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. (TV-14 V)This video is currently unavailable
- S8 E17 - Holapu ke ahi, koe iho ka lehuMarch 8, 201844minAdam'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 (Christine Ko) allegiance. (TV-14 V)This video is currently unavailable
- S8 E18 - E ho'oko kuleanaMarch 29, 201844minThe 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.This video is currently unavailable
- S8 E19 - Aohe mea make i ka hewa; make no i ka mihi oleApril 5, 201844minA hitman, Leroy Davis (Frankie Faison), 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. (TV-14 L, V)This video is currently unavailable
- S8 E20 - He lokomaika'i ka manu o KaionaApril 12, 201844minCatherine Rollins (Michelle Borth) 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.This video is currently unavailable
- S8 E21 - Ahuwale ka nane hunaApril 19, 201843minHarry Langford (Chris Vance) enlists McGarrett and Danny's help to track down Lady Sophie (Alana Boden), a teenage British royal who has run away while under his protection.This video is currently unavailable
- S8 E22 - Kopi wale no i ka i'a a 'eu no ka iloApril 26, 201843minFive-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. (TV-14 L, V)This video is currently unavailable
- S8 E23 - Ka Hana a ka makua, o ka hana no ia a keiki.May 3, 201843minMcGarrett and Five-0 take on the mob when a former boss is killed and Junior's friend Cammy Lin (Cindy Chu) is on the run after witnessing the hit. (TV-14 V)This video is currently unavailable
- S8 E24 - Ka lala kaukonakona haki 'ole I ka pa a ka makani Kona.May 10, 201844minMcGarrett joins Junior and his SEAL Team on a high risk covert mission to capture an elusive target who is holding his mentor, Joe White (Terry O'Quinn), hostage.This video is currently unavailable
- S8 E25 - Waiho wale kahikoMay 17, 201843minMcGarrett and Five-0 discover a Russian spy ring hiding in plain sight when a Russian nuclear attack submarine appears off the coast of Waikiki. Also, Tani is conflicted by her unnerving discovery at Adam's house. (TV-14 V)This video is currently unavailable