Hawaii Five-0 Season 8 poster

Hawaii Five-0 — Season 8

McGarrett, Danno and the Five-0 task force continue to wipe out the crime that washes up on the islands’ sun-drenched beaches, and this year are joined by new and old friends to help in their mission.

201725 episodes6.8/10 (122 votes)

About this season

McGarrett, Danno and the Five-0 task force continue to wipe out the crime that washes up on the islands’ sun-drenched beaches, and this year are joined by new and old friends to help in their mission. Whether dealing with an infamous pyromaniac loose in the jungle, a devious black-hat hacker, stopping the dangerous Yakuza crime syndicate or planning to open a very bro-mantic restaurant, Five-0 continues to protect their loved ones, Hawaii’s citizens and visitors to the 50th state.

Episodes (25)

Aʻole e ʻolelo mai ana ke ahi ua ana ia (Fire Will Never Say That It Has Had Enough)
E1

1. Aʻole e ʻolelo mai ana ke ahi ua ana ia (Fire Will Never Say That It Has Had Enough)

7.3

Aired 29 September 2017 • 42 min

McGarrett and Danny recruit Tani Rey to join the task force when diabolical hacker Aaron Wright releases a dangerous arsonist from prison.

Nā lā ʻīlio (Dog Days)
E2

2. Nā lā ʻīlio (Dog Days)

6.5

Aired 6 October 2017 • 43 min

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.

Kāu pahi, koʻu kua. Kāu pū, koʻu poʻo. (Your Knife, My Back. My Gun, Your Head.)
E3

3. Kāu pahi, koʻu kua. Kāu pū, koʻu poʻo. (Your Knife, My Back. My Gun, Your Head.)

6.5

Aired 13 October 2017 • 42 min

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,

E uhi wale no ʻaʻole e nalo, he imu puhi (No Matter How Much One Covers a Steaming Imu, The Smoke Will Rise)
E4

4. E uhi wale no ʻaʻole e nalo, he imu puhi (No Matter How Much One Covers a Steaming Imu, The Smoke Will Rise)

6.7

Aired 20 October 2017 • 43 min

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

Kamaʻomaʻo, ka ‘aina huli hana (The Land of Activities)
E5

5. Kamaʻomaʻo, ka ‘aina huli hana (The Land of Activities)

6.5

Aired 3 November 2017 • 44 min

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.

Mōhala i ka wai ka maka o ka pua (Unfolded By the Water Are the Faces of the Flowers)
E6

6. Mōhala i ka wai ka maka o ka pua (Unfolded By the Water Are the Faces of the Flowers)

7.0

Aired 10 November 2017 • 44 min

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.

Kau ka ʻonohi aliʻi i luna (The Royal Eyes Rest Above)
E7

7. Kau ka ʻonohi aliʻi i luna (The Royal Eyes Rest Above)

7.5

Aired 17 November 2017 • 42 min

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 Luʻu Ke Ala, Mai Hoʻokolo Aku (The Trail Leads to a Diving Place, Do Not Follow After)
E8

8. He Kaha Luʻu Ke Ala, Mai Hoʻokolo Aku (The Trail Leads to a Diving Place, Do Not Follow After)

7.3

Aired 1 December 2017 • 43 min

McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.

Make me kai (Death at Sea)
E9

9. Make me kai (Death at Sea)

7.7

Aired 8 December 2017 • 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.

I ka wa ma mua, I ka wa ma hope (The Future Is in the Past)
E10

10. I ka wa ma mua, I ka wa ma hope (The Future Is in the Past)

7.1

Aired 15 December 2017 • 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.

Oni kalalea ke ku a ka laʻau loa (A Tall Tree Stands Above the Others)
E11

11. Oni kalalea ke ku a ka laʻau loa (A Tall Tree Stands Above the Others)

6.8

Aired 15 December 2017 • 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.

Ka hopu nui ʻana (The Round Up)
E12

12. Ka hopu nui ʻana (The Round Up)

8.0

Aired 5 January 2018 • 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.

O ka mea ua hala, ua hala ia (What Is Gone Is Gone)
E13

13. O ka mea ua hala, ua hala ia (What Is Gone Is Gone)

6.5

Aired 12 January 2018 • 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.

Nā keiki a Kalaihaohia (The Children of Kalaihoahia)
E14

14. Nā keiki a Kalaihaohia (The Children of Kalaihoahia)

6.2

Aired 19 January 2018 • 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.

He pukoʻa kani ʻaaina (A Coral Reef Strengthens Out Into Land)
E15

15. He pukoʻa kani ʻaaina (A Coral Reef Strengthens Out Into Land)

6.7

Aired 2 February 2018 • 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.

O na hoku o ka lani ka i ʻike ia Paeʻ (Only the Stars of Heaven Know Where Pae Is)
E16

16. O na hoku o ka lani ka i ʻike ia Paeʻ (Only the Stars of Heaven Know Where Pae Is)

6.7

Aired 2 March 2018 • 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.

Hōlapu ke ahi, koe iho ka lehu (The Fire Blazed Up, Then Only Ashes Were Left)
E17

17. Hōlapu ke ahi, koe iho ka lehu (The Fire Blazed Up, Then Only Ashes Were Left)

6.5

Aired 9 March 2018 • 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.

E hoʻokō kuleana (To Do One's Duty)
E18

18. E hoʻokō kuleana (To Do One's Duty)

5.0

Aired 30 March 2018 • 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.

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)
E19

19. 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)

6.8

Aired 6 April 2018 • 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.

He lokomaikaʻi ka manu o Kaiona (Kind Is the Bird of Kaiona)
E20

20. He lokomaikaʻi ka manu o Kaiona (Kind Is the Bird of Kaiona)

6.5

Aired 13 April 2018 • 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.

Ahuwale ka nane huna (The Answer to the Riddle Is Seen)
E21

21. Ahuwale ka nane huna (The Answer to the Riddle Is Seen)

6.8

Aired 20 April 2018 • 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.

Kopi wale no i ka iʻa a ‘eu no ka ilo (Though the Fish Is Well Salted, the Maggots Crawl.)
E22

22. Kopi wale no i ka iʻa a ‘eu no ka ilo (Though the Fish Is Well Salted, the Maggots Crawl.)

6.3

Aired 27 April 2018 • 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.

Ka Hana a ka makua, o ka hana no ia a keiki (What Parents Do, Children Will Do)
E23

23. Ka Hana a ka makua, o ka hana no ia a keiki (What Parents Do, Children Will Do)

5.7

Aired 4 May 2018 • 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.

Ka lala kaukonakona haki ʻole I ka pa a ka makani Kona (The Tough Branch That Does Not Break in the Kona Gale)
E24

24. Ka lala kaukonakona haki ʻole I ka pa a ka makani Kona (The Tough Branch That Does Not Break in the Kona Gale)

6.0

Aired 11 May 2018 • 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.

Waiho wale kahiko (Ancients Exposed)
E25

25. Waiho wale kahiko (Ancients Exposed)

5.5

Aired 18 May 2018 • 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.

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