第 8 季 共 25 集
播出时间：2017年9月30日
第 1 集 A'ole e 'olelo mai ana ke ahi ua ana ia (Fire Will Never Say that It Has Had Enough)
播出时间：2017年9月30日
McGarrett and Danny recruit Tani Rey to join the task force when diabolical hacker Aaron Wright releases a dangerous arsonist from prison.
第 2 集 Nā lā 'īlio (Dog Days)
播出时间：2017年10月7日
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.
第 3 集 Kāu pahi, ko’u kua. Kāu pū, ko’u po’o. (Your Knife, My Back. My Gun, Your Head.)
播出时间：2017年10月14日
Five-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,
第 4 集 E uhi wale no 'a'ole e nalo, he imu puhi (No Matter How Much One Covers a Steaming Imu, The Smoke Will Rise)
播出时间：2017年10月21日
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 (Joey Lawrence), who he just imprisoned
第 5 集 Kama’oma’o, ka ‘aina huli hana (The Land of Activities)
播出时间：2017年11月4日
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 man hours away from execution who may hold the key to a case that has plagued Grover for years.
第 6 集 Mōhala i ka wai ka maka o ka pua (Unfolded by the Water are the Faces of the Flowers)
播出时间：2017年11月11日
The 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. McGarrett is accompanied on the case by a stress management consultant, whom Danny and the others have hired to help him manage his health.
第 7 集 Kau ka 'onohi ali'i i luna (The Royal Eyes Rest Above)
播出时间：2017年11月18日
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
第 8 集 He Kaha Lu'u Ke Ala, Mai Ho'okolo Aku (The Trail Leads to a Diving Place, Do Not Follow After)
播出时间：2017年12月2日
McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.
第 9 集 Make me kai (Death at Sea)
播出时间：2017年12月9日
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.
第 10 集 I ka wa ma mua, I ka wa ma hope (The Future Is in the Past)
播出时间：2017年12月16日
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.
第 11 集 Oni kalalea ke ku a ka la'au loa (A Tall Tree Stands Above the Others)
播出时间：2017年12月16日
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.
第 12 集 Ka hopu nui 'ana (The Round Up)
播出时间：2018年1月6日
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.
第 13 集 O ka mea ua hala, ua hala ia (What is Gone is Gone)
播出时间：2018年1月13日
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.
第 14 集 Nā keiki a Kalaihaohia (The Children of Kalaihoahia)
播出时间：2018年1月20日
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.
第 15 集 He puko'a kani 'aaina (A Coral Reef Strengthens Out Into Land)
播出时间：2018年2月3日
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.
第 16 集 O na hoku o ka lani ka i 'ike ia Pae' (Only the Stars of Heaven Know Where Pae Is)
播出时间：2018年3月3日
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.
第 17 集 Hōlapu ke ahi, koe iho ka lehu (The Fire Blazed Up, Then Only Ashes Were Left)
播出时间：2018年3月10日
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.
第 18 集 E ho’okō kuleana (To Do One’s Duty)
播出时间：2018年3月31日
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.
第 19 集 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)
播出时间：2018年4月7日
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.
第 20 集 He lokomaika’i ka manu o Kaiona (Kind is the Bird of Kaiona)
播出时间：2018年4月14日
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.
第 21 集 Ahuwale ka nane huna (The Answer to the Riddle is Seen)
播出时间：2018年4月21日
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.
第 22 集 Kopi wale no i ka i’a a ‘eu no ka ilo (Though the Fish is Well Salted, the Maggots Crawl.)
播出时间：2018年4月28日
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.
第 23 集 Ka Hana a ka makua, o ka hana no ia a keiki (What Parents Do, Children Will Do)
播出时间：2018年5月5日
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.
第 24 集 Ka lala kaukonakona haki 'ole I ka pa a ka makani Kona (The Tough Branch that Does Not Break in the Kona Gale)
播出时间：2018年5月12日
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.
第 25 集 Waiho wale kahiko (Ancients Exposed)
播出时间：2018年5月19日
McGarrett and Five-0 discover a Russian spy ring hiding in plain site 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.
