Hawaii Five - 0 ( 2010 TV series, season 8 ) - wikipedia Hawaii Five - 0 ( 2010 TV series, season 8 ) Not to be confused with Hawaii Five - O ( 1968 TV series, season 8 ). Hawaii Five - 0 ( season 8 ) Promotional poster Starring Alex O'Loughlin Scott Caan Meaghan Rath Jorge Garcia Taylor Wily Dennis Chun Kimee Balmilero Chi McBride Beulah Koale Ian Anthony Dale Country of origin United States No. of episodes 15 Release Original network CBS Original release September 29, 2017 ( 2017 - 09 - 29 ) -- present Season chronology ← Previous Season 7 List of Hawaii Five - 0 ( 2010 TV series ) episodes The eighth season of the CBS police procedural drama series Hawaii Five - 0 premiered on September 29, 2017 for the 2017 -- 18 television season. The season is expected to contain 25 episodes. This is the first season not to feature Daniel Dae Kim, Grace Park, and Masi Oka. This is also the first season to feature Meaghan Rath and Beulah Koale, who joined as new main cast members. In addition, longtime recurring cast members Dennis Chun, Kimee Balmilero, and Taylor Wily were promoted to series regulars, while other longtime recurring cast member Ian Anthony Dale joined as a series regular in the seventh episode. Contents 1 Cast and characters 1.1 Main cast 1.2 Recurring cast 1.3 Guest stars 2 Episodes 3 Production 3.1 Daniel Dae Kim 's and Grace Park 's departure controversies 3.2 Cast changes 4 Reception 4.1 Ratings 5 References 6 External links Cast and characters Main cast Alex O'Loughlin as Lieutenant Commander Steven `` Steve '' McGarrett, United States Navy Reserve Scott Caan as Detective Sergeant Daniel `` Danny '' `` Danno '' Williams, Honolulu Police Department Meaghan Rath as Officer Tani Rey Jorge Garcia as Special Consultant Jerry Ortega Taylor Wily as Kamekona Tupuola Dennis Chun as Sergeant Duke Lukela, Honolulu Police Department Kimee Balmilero as Dr. Noelani Cunha Chi McBride as Captain Lou Grover, Honolulu Police Department Beulah Koale as Police Candidate, later Officer assigned to Five - 0 Task Force, Junior Reigns Ian Anthony Dale as Adam Noshimuri Recurring cast Paige Hurd as Samantha Grover Teilor Grubbs as Grace Williams Zach Sulzbach as Charlie Williams Shawn Mokuahi Garnett as Flippa Tupuola Chosen Jacobs as Will Grover Al Harrington as Mamo Kahike Shawn Anthony Thomsen as Pua Kai Claire Forlani as Alicia Brown Andrew Lawrence as Eric Russo Kunal Sharma as Koa Rey Kekoa Kekumano as Nahele Huikala Christine Ko as Jessie Nomura Guest stars Joey Lawrence as Aaron Wright, brother of world - class hacker Ian Wright Randy Couture as Jason Duclair Bob McCracken as DEA Agent Chris Reid Casper Van Dien as Roger Niles Chris Vance as Harry Langford, former MI6 agent Steven Brand as John Walcott Derek Mio as Derek Okada Leonardo Nam as Harley Taylor Reggie Lee as Joey Kang Will Yun Lee as Sang Min Lili Simmons as Melissa Armstrong Erika Brown as adult Grace Williams Joey Defore as 20 year - old Charlie Williams Devon Sawa as Brad Woodward Episodes See also : List of Hawaii Five - 0 ( 2010 TV series ) episodes No. overall No. in season Title Directed by Written by Original air date Prod. code U.S. viewers ( millions ) 169 `` A'ole e ' olelo mai ana ke ahi ua ana ia '' `` Fire Will Never Say that It Has Had Enough '' Bryan Spicer Peter M. Lenkov & Eric Guggenheim & Rob Hanning September 29, 2017 ( 2017 - 09 - 29 ) 801 8.64 Five - 0 investigates a world class hacker ( Joey Lawrence ), who turns out to be the brother of serial hacker Ian Wright, after the former hacks into the Hawaii State prison and releases serial murderer / arsonist Jason DuClair ( Randy Couture ). DuClair soon leads the team on a manhunt that ends with a massive wildfire. With Kono and Chin on the mainland running their own respective task forces, McGarrett and Danny recruit lifeguard and former police candidate Tani Rey ( Meaghan Rath ) to join the task force to assist them but she is reluctant to do so. Meanwhile, McGarrett and Danny begin to invest in a restaurant. Note : This is the first episode to feature Meaghan Rath, Taylor Wily, Dennis Chun and Kimee Balmilero as series regulars. 170 `` Na La ' Ilio '' `` Dog Days '' Tara Miele David Wolkove & Matt Wheeler October 6, 2017 ( 2017 - 10 - 06 ) 803 8.53 After a failed DEA drug bust Five - 0 teams up with them to solve the case. Also former Navy SEAL Junior Reigns ( Beulah Koale ) turns to McGarrett looking for a job. Steve initially turns him down however, after he insists Steve introduces him to Duke Lukela then informs Junior that to become a part of the task force he will need to join and finish the Police academy. Note : This is the first episode to feature Beulah Koale as a series regular. 171 `` Kau pahi, ko'u kua. Kau pu, ko'u po'o '' `` Your Knife, My Back. My Gun, Your Head. '' Eagle Egilsson David Wolkove & Matt Wheeler October 13, 2017 ( 2017 - 10 - 13 ) 802 8.51 Five - 0 with the help of former MI6 agent Harry Langford ( guest star Chris Vance ) investigate the murder of Jimmy Okada and 9 members of his crime family. After his son Derek sends men to take out John Walcott, Five - 0 discovers that Walcott was more than a piano teacher, and that he was out seeking revenge for the death of his son Aiden, who died in a hit and run that Okada was responsible for. Also, Danny and Steve try their best by making dinner for Langford and his date. 172 `` E uhi wale no ' a'ole e nalo, he imu puhi '' `` No Matter How Much One Covers a Steaming Imu, The Smoke Will Rise '' Antonio Negret Rob Hanning October 20, 2017 ( 2017 - 10 - 20 ) 804 8.67 Five - 0 's confidential informant Toast is murdered during a phone call between him and McGarrett. Five - 0 turns to Aaron Wright ( Joey Lawrence ) for help, but when Tani is ambushed in the hotel room with Wright, the team realise that Wright is behind the leak of their confidential informants. Kamekona is abducted by Joey Kang and beaten for information about lost money that Kang lost before he was captured. On another hand, Junior is proving efficient at the shooting field at the HPD academy, but after McGarrett finds him at a building set up for homeless people, he decides Junior can live with him while finishing at the academy. 173 5 `` Kama'oma'o, ka ' aina huli hana '' `` At Kama'oma'o, The Land of Activities '' Bronwen Hughes Peter M. Lenkov & Eric Guggenheim November 3, 2017 ( 2017 - 11 - 03 ) 805 8.63 On Halloween, Five - 0 ; later with the help of Alicia Brown ( Claire Forlani ) investigate the death of Tyler Riggins who is found dead in his truck stranded on the old Pali Highway. They are able to connect the recent murder of Bryon Hansen with Riggins ' murder, and discover that the murders are heavily based on old Hawaiian folklore and that it is the killers pattern. They later discover that the killer is Marissa Walker who has been missing for 12 years, and see her killings as her active revenge towards her sister. After talking to Hannah Bell, her daughter Lucey is kidnapped by Walker. Five - 0 manage to rescue Lucey before Walker can finish recreating what happened to herself. In the meantime, on the mainland ; Grover speaks to a captive named Sebastian Wake, who reveals true information about Clay Maxwell murdering his wife before he is executed. 174 6 `` Mohala I Ka Wai Ka Maka O Ka Pua '' `` Unfolded by the Water Are the Faces of the Flowers '' Carlos Bernard Eric Guggenheim & Zoe Robyn November 10, 2017 ( 2017 - 11 - 10 ) 808 9.21 When a man with a multiple personality disorder including a child and a protective father takes on the identity of a Honolulu Police Department officer and commits a series of murders Five - 0 must do everything they can to find him. Also Steve 's friends hold an intervention and hire a stress evaluator to try and help McGarrett reduce his stress. 175 7 `` Kau Ka ' Onohi Ali'i I Luna '' `` The Royal Eyes Rest Above '' Bryan Spicer Peter M. Lenkov & Eric Guggenheim November 17, 2017 ( 2017 - 11 - 17 ) 807 9.17 After picking up Adam ( Ian Anthony Dale ) up from the airport McGarrett receives a call from Junior about a bank robbery in progress. Adam, Junior, and Steve then enter the bank and learn that the criminals escaped through a tunneled out hole in the safe. Steve pursues them through the tunnel while Adam and Junior follow on the street. Following an unsuccessful pursuit they then question a suspect who is then killed by one of the bank robbers while in the Iolani Palace. McGarrett and Grover pursue the suspects and are able to apprehend them following a gunfight. Also Tani keeps her brother from being arrested in a drug bust while Adam is forced to return to an empty home without Kono. Note : This is the first episode to feature Ian Anthony Dale as a series regular. 176 8 `` He Kaha Lu'u Ke Ala, Mai Ho'okolo Aku '' `` The Trail Leads To A Diving Place ; Do Not Follow After '' Ron Underwood Liz Alper & Ally Seibert December 1, 2017 ( 2017 - 12 - 01 ) 806 8.56 Five - 0 is asked to investigate the plane crash of a stunt plane, which took the life of the famous stunt pilot Jason Sachs. Despite being refused access to investigate evidence by the NTSB, the team discovers it was a cover up, and take the lead investigator Callahan into custody. It 's later revealed that the real Sachs died in a car crash 6 years ago, and that the one that died was actually Luke Nixon, who had been going in as an informant undercover in the Guillermo crime family. The team manages to rescue Nixon 's wife and her son who were taken hostage by members of the crime family. Also, when a stunt plane happens to crash with Steve in it taking over for Nixon, he successfully manages to land. 177 9 `` Make Me Kai '' `` Death at Sea '' Maja Vrvilo David Wolkove & Matt Wheeler December 8, 2017 ( 2017 - 12 - 08 ) 809 9.07 Five - 0 investigates a woman who was found adrift from shore unconscious. McGarrett, Danny, Tani and Junior discover a yacht abandoned at sea and find 11 dead bodies, however, McGarrett suspects that these victims were killed with a deadly bioweapon and fears that he and his team are exposed. Meanwhile, Adam, Grover and Jerry have only 8 hours to track down the people responsible and find a antidote to save the team. 178 10 `` I Ka Wa Ma Mua, I Ka Wa Ma Hope '' `` The Future is in the Past '' Peter Weller Zoe Robyn December 15, 2017 ( 2017 - 12 - 15 ) 810 8.48 Following the events of the previous episode the team is recovering at the hospital in quarantine. The room is breached and Danny is shot. The team is unable to leave the room because an explosive is placed on the door. While Steve performs life saving operations on Danny the bomb squad breaches the room and Danny receives the treatment he needs. Also while unconscious Danny dreams of a future where Grace is marrying Will Grover, Charlie becomes a member of the Honolulu Police Department and is offered a job on Five - 0 by Tani, Adam and Kono have a child, and Tani is the new leader of the Five - 0 Task Force at the rank of Captain and is married to Junior. 179 11 `` Oni Kalalea Ke Ku A Ka La'au Loa '' `` A Tall Tree Stands Above the Others '' Tara Miele Rob Hanning December 15, 2017 ( 2017 - 12 - 15 ) 811 7.71 On Christmas Eve, Danny tells Charlie a bedtime story about injured veterans helping Five - 0 after Steve witnesses the aftermath of a gang of robbers dressed as Santa Claus. Also Junior officially becomes a member of the Five - 0 Task Force. 180 12 `` Ka Hopu Nui ' Ana '' `` The Round Up '' Eagle Egilsson David Wolkove & Matt Wheeler January 5, 2018 ( 2018 - 01 - 05 ) 812 9.96 When a government task - force is set up in the state with a goal to reduce gang related violence a member of the task force is killed in a bombing. The Five - 0 Task Force teams up with the government task - force, HPD, and the National Guard to solve the murder. Also Steve asks Adam to head up a special division within the Five - 0 Task Force which focuses solely on organized crime which he accepts. 181 13 `` O Ka Mea Ua Hala, Ua Hala Ia '' `` What is Gone is Gone '' Roderick Davis Sean O'Reilly January 12, 2018 ( 2018 - 01 - 12 ) 813 9.38 When Lou and his son come across a man attempting to commit suicide Grover attempts to talk to him down while the rest of the team investigates the case in an attempt to prove his innocence. 182 14 `` Na Keiki A Kalaihaohia '' `` The Children of Kalaihaohia '' Peter Weller Story by : Peter M. Lenkov Teleplay by : Eric Guggenheim January 19, 2018 ( 2018 - 01 - 19 ) 814 9.14 After Steve and Danny 's restaurant is robbed, McGarrett and Danny enlist help from Pua Kai at the Honolulu police to track down their stolen tools. Meanwhile, Five - 0 investigates a diamond smuggler corpse stolen from a graveyard, they must track down his partner before the stolen diamonds are smuggled out of Hawaii. Also, Adam recruits is first member of his organized crime task force as a confidential informant at the same time helps Tani 's brother get a job in construction. 183 15 `` He Puko'a Kani ' Aina '' `` A Coral Reef Strengthens Out into Land '' Bryan Spicer David Wolkove & Matt Wheeler February 2, 2018 ( 2018 - 02 - 02 ) 815 8.56 Five - 0 investigates the murder of a private detective and his client killed in the same way. Meanwhile, Adam puts his organized crime task force into full effect with putting Jessie into a dangerous undercover mission which leads to Adam getting kidnapped. Also, Danny 's Uncle Vito ( guest star Vincent Pastore ) comes to Hawaii to help Danny and McGarrett get their restaurant off the ground. 184 16 `` O Na Hoku O Ka Lani Ka I ' Ike Ia Pae '' `` Only the Stars of Heaven Know Where Pae Is '' Jerry Levine David Wolkove & Matt Wheeler March 2, 2018 ( 2018 - 03 - 02 ) 816 TBD 185 17 `` Holapu Ke Ahi, Koe Iho Ka Lehu '' `` The Fire Blazed Up, Then Only Ashes Were Left '' Maja Vrvilo Liz Alper & Ally Seibert March 9, 2018 ( 2018 - 03 - 09 ) 817 TBD Production On March 23, 2017, CBS renewed the series for an eighth season, which premiered on September 29, 2017. Filming for the season began in July 2017. Daniel Dae Kim 's and Grace Park 's departure controversies On June 30, 2017, ahead of the series 's eighth season, it was announced that series regulars Daniel Dae Kim and Grace Park would be departing the series due to a salary dispute with CBS. Kim and Park had been seeking pay equality with co-stars Alex O'Loughlin and Scott Caan, but did not reach satisfactory deals with CBS Television Studios. CBS 's final offer to Kim and Park was 10 -- 15 % lower than what O'Loughlin and Caan make in salary. An update of their characters would be given in the first episode of the new season. Cast changes Following Kim 's and Park 's departures it was announced that longtime recurring cast member Ian Anthony Dale who portrays Kono Kalakaua 's husband Adam Noshimuri had been upped to series regular for the eighth season. It was also announced that Meaghan Rath and Beulah Koale would join the series as new characters and new members of Five - 0. On July 21, 2017, it was announced that recurring cast members Taylor Wily, Kimee Balmilero, and Dennis Chun would also be upped to series regulars for the eighth season. Reception Ratings List of live and DVR ratings No Episode Air date 18 - 49 rating Viewers ( millions ) Weekly rank Live + 7 18 - 49 Live + 7 viewers ( millions ) A'ole e ' olelo mai ana ke ahi ua ana ia September 29, 2017 1.0 8.64 # 22 1.8 11.91 Na La ' Ilio October 6, 2017 1.1 8.53 # 16 N / A 11.55 Kau pahi, ko'u kua. Kau pu, ko'u po'o October 13, 2017 1.0 8.51 # 16 N / A 11.39 E uhi wale no ' a'ole e nalo, he imu puhi October 20, 2017 1.0 8.67 # 15 1.7 11.54 5 Kama'oma'o, ka ' aina huli hana November 3, 2017 0.9 8.63 # 15 1.6 11.56 6 Mohala I Ka Wai Ka Maka O Ka Pua November 10, 2017 1.1 9.21 # 17 N / A 12.13 7 Kau Ka ' Onohi Ali'i I Luna November 17, 2017 1.0 9.17 # 16 N / A 11.87 8 He Kaha Lu'u Ke Ala, Mai Ho'okolo Aku December 1, 2017 0.9 8.56 # 17 1.6 11.70 9 Make Me Kai December 8, 2017 1.1 9.07 # 9 1.7 11.95 10 I Ka Wa Ma Mua, I Ka Wa Ma Hope December 15, 2017 0.9 8.48 # 13 N / A N / A 11 Oni Kalalea Ke Ku A Ka La'au Loa December 15, 2017 0.9 7.71 # 15 N / A N / A 12 Ka Hopu Nui ' Ana January 5, 2018 1.2 9.96 # 8 N / A N / A 13 Na Keiki A Kalaihaohia January 12, 2018 1.1 9.38 # 10 N / A 12.30 14 Oni Kalalea Ke Ku A Ka La'au Loa January 19, 2018 1.0 9.14 # 10 1.7 12.19 15 He puko'a kani'aina February 2, 2018 1.0 8.56 # 9 1.7 11.91 References Jump up ^ Webb Mitovich, Matt ( July 19, 2017 ). `` Hawaii Five - 0 Gives Kono 's Husband a Promotion, Adds Two in Cast Shake - Up ''. TV Line. Retrieved August 14, 2017. Jump up ^ `` Hawaii Five - 0 : Season Eight ; EP Confirms CBS Episode Order ''. TV Series Finale. Retrieved February 8, 2018. Jump up ^ `` Development Update : Monday, November 6 ''. The Futon Critic. United State : Futon Media. Retrieved November 9, 2017. ^ Jump up to : Porter, Rick ( October 2, 2017 ). `` ' Hell 's Kitchen ' premiere adjusts up : Friday final ratings ''. TV by the Numbers. Retrieved October 2, 2017. ^ Jump up to : Porter, Rick ( October 9, 2017 ). `` ' Hawaii Five - 0 ' and ' Hell 's Kitchen ' adjust up, ' Exorcist ' adjusts down : Friday final ratings ''. Retrieved October 9, 2017. ^ Jump up to : Welch, Alex ( October 16, 2017 ). `` ' Hell 's Kitchen, ' ' MacGyver, ' ' Once Upon a Time, ' & more remain unchanged : Friday final ratings ''. TV by the Numbers. Retrieved October 16, 2017. ^ Jump up to : Porter, Rick ( October 23, 2017 ). `` ' Jane the Virgin, ' ' Hawaii Five - 0, ' all others unchanged : Friday final ratings ''. TV by the Numbers. Retrieved October 23, 2017. ^ Jump up to : Porter, Rick ( November 6, 2017 ). `` ' Hawaii Five - 0, ' ' Once Upon a Time ' and others unchanged : Friday final ratings ''. TV by the Numbers. Retrieved November 6, 2017. ^ Jump up to : Porter, Rick ( November 13, 2017 ). `` ' Hawaii Five - 0, ' ' Hell 's Kitchen, ' everything else unchanged : Friday final ratings ''. TV by the Numbers. Retrieved November 13, 2017. ^ Jump up to : Porter, Rick ( November 20, 2017 ). `` ' Hell 's Kitchen, ' ' MacGyver ' and all others unchanged : Friday final ratings ''. TV by the Numbers. Retrieved November 20, 2017. ^ Jump up to : Porter, Rick ( December 4, 2017 ). `` ' Blue Bloods ' and ' The Exorcist ' adjust down : Friday final ratings ''. TV by the Numbers. Retrieved December 4, 2017. ^ Jump up to : Porter, Rick ( December 11, 2017 ). `` ' Blue Bloods ' adjusts down : Friday final ratings ''. TV by the Numbers. Retrieved December 11, 2017. ^ Jump up to : Porter, Rick ( December 18, 2017 ). `` ' Hawaii Five - 0 ' adjusts down : Friday final ratings ''. TV by the Numbers. Retrieved December 18, 2017. ^ Jump up to : Porter, Rick ( January 8, 2018 ). `` ' Child Support, ' ' MacGyver, ' everything else steady : Friday final ratings ''. TV by the Numbers. Retrieved January 8, 2018. ^ Jump up to : Porter, Rick ( January 16, 2018 ). `` ' Hawaii Five - 0 ' adjusts up : Friday final ratings ''. TV by the Numbers. Retrieved January 16, 2018. ^ Jump up to : Porter, Rick ( January 22, 2018 ). `` ' Penn & Teller : Fool Us ' rerun adjusts down : Friday final ratings ''. TV by the Numbers. Retrieved January 22, 2018. ^ Jump up to : Porter, Rick ( February 5, 2018 ). `` ' Hell 's Kitchen ' finale, ' Jane the Virgin, ' all others hold : Friday final ratings ''. TV by the Numbers. Retrieved February 5, 2018. Jump up ^ `` '' O na hoku o ka lani ka i ' ike ia Pae ' ( Only the Stars of Heaven Know Where Pae Is ) `` ''. The Futon Critic. Retrieved February 5, 2018. Jump up ^ `` '' `` Holapu ke ahi, koe iho ka lehu ( The Fire Blazed Up, Then Only Ashes Were Left ) '' ``. The Futon Critic. Retrieved February 20, 2018. Jump up ^ Andreeva, Nellie ( March 23, 2017 ). `` CBS Renews 5 Freshman & 11 Returning Series, Including ' MacGyver ', ' Superior Donuts ', ' Life In Pieces ' & ' Hawaii Five - O ' ''. Deadline Hollywood. Archived from the original on March 23, 2017. Retrieved March 23, 2017. Jump up ^ Andreeva, Nellie ( June 1, 2017 ). `` CBS Sets Fall 2017 Premiere Dates For ' Young Sheldon ', ' 9 JKL ' & Returning Series ''. Deadline Hollywood. Archived from the original on June 1, 2017. Retrieved June 1, 2017. Jump up ^ Ryan, Maureen. `` Daniel Dae Kim, Grace Park Exit ' Hawaii Five - 0 ' ''. Variety.com. Archived from the original on July 7, 2017. Retrieved 7 July 2017. Jump up ^ Abrams, Natalie ( June 30, 2017 ). `` Hawaii Five - 0 shocker : Grace Park, Daniel Dae Kim exit ahead of season 8 ''. Archived from the original on June 30, 2017. Retrieved July 1, 2017. Jump up ^ Petski, Denise ( July 19, 2017 ). `` ' Hawaii Five - 0 ' : Ian Anthony Dale Upped To Regular, Meaghan Rath & Beulah Koale Join Cast After Shake - Up ''. Deadline Hollywood. Retrieved July 19, 2017. Jump up ^ `` Hawaii actors Chun, Wily, Balmilero join main ' Five - 0 ' cast ''. Honolulu Star - Advertiser. 2017 - 07 - 21. Retrieved 2017 - 07 - 25. Jump up ^ Porter, Rick ( October 3, 2017 ). `` ' Big Bang Theory, ' ' Sunday Night Football ' score in week 1 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved October 6, 2017. ^ Jump up to : Porter, Rick ( October 13, 2017 ). `` ' This Is Us ' and ' The Good Doctor ' score big in premiere week broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 15, 2017. Jump up ^ Porter, Rick ( October 10, 2017 ). `` NFL times 2 dominates the week 2 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved October 10, 2017. Jump up ^ Porter, Rick ( October 18, 2017 ). `` ' The Orville, ' ' Once Upon a Time, ' 5 more shows double in week 2 broadcast Live + 7 ratings ''. TV by the Numbers.com. Retrieved October 18, 2017. Jump up ^ Porter, Rick ( October 17, 2017 ). `` NFL, ' Big Bang Theory ' and ' NCIS ' lead week 3 's broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved October 17, 2017. Jump up ^ Porter, Rick ( October 25, 2017 ). `` ' The Good Doctor ' is the most - watched show on TV in week 3 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved October 25, 2017. Jump up ^ Porter, Rick ( October 24, 2017 ). `` ' This Is Us ' and NFL carry NBC to 18 - 49 victory in week 4 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved October 25, 2017. ^ Jump up to : Porter, Rick ( November 2, 2017 ). `` ' Chicago PD, ' 10 more shows double in week 4 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 2, 2017. Jump up ^ Porter, Rick ( November 7, 2017 ). `` World Series, ' Big Bang Theory ' lead week 6 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved November 7, 2017. ^ Jump up to : Porter, Rick ( November 17, 2017 ). `` ' This Is Us ' and 12 more shows double in week 6 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved November 18, 2017. Jump up ^ Porter, Rick ( November 14, 2017 ). `` NFL and ' This Is Us ' carry NBC to victory in week 7 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved November 14, 2017. Jump up ^ Porter, Rick ( November 27, 2017 ). `` ' This Is Us ' rides high in week 7 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 1, 2017. Jump up ^ Porter, Rick ( November 21, 2017 ). `` NFL carries NBC to victory again : Week 8 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved December 1, 2017. Jump up ^ Porter, Rick ( December 5, 2017 ). `` ' Jane the Virgin, ' 10 other shows double in week 8 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 5, 2017. Jump up ^ Porter, Rick ( December 5, 2017 ). `` Football reigns supreme in week 10 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved December 5, 2017. ^ Jump up to : Porter, Rick ( December 15, 2017 ). `` CW crossovers get another bump in week 10 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 21, 2017. Jump up ^ Porter, Rick ( December 12, 2017 ). `` ' The Voice, ' ' Will & Grace ' and of course NFL carry NBC to the top : Week 11 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved December 18, 2017. ^ Jump up to : Porter, Rick ( December 21, 2017 ). `` ' Agents of SHIELD ' gets a good bump in week 11 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved December 21, 2017. ^ Jump up to : Porter, Rick ( December 19, 2017 ). `` Football powers NBC and CBS to the top in week 12 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved December 21, 2017. Jump up ^ Porter, Rick ( January 9, 2018 ). `` NFL playoffs, Golden Globes carry NBC to No. 1 : Week 15 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved January 10, 2018. Jump up ^ Porter, Rick ( January 17, 2018 ). `` NFL playoffs boost CBS and FOX : Week 16 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved January 18, 2018. Jump up ^ Porter, Rick ( January 26, 2018 ). `` ' The Brave ' goes from low to... less low : Week 16 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved January 26, 2018. Jump up ^ Porter, Rick ( January 23, 2018 ). `` FOX dominates, ABC gets a boost in week 17 broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved January 24, 2018. ^ Jump up to : Porter, Rick ( February 1, 2018 ). `` ' This Is Us, ' ' The Good Doctor ' both double in week 17 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved February 5, 2018. Jump up ^ Porter, Rick ( February 6, 2018 ). `` Super Bowl LII ( obviously ) dominates week 19 's broadcast Top 25 and network rankings ''. TV by the Numbers. Retrieved February 12, 2018. ^ Jump up to : Porter, Rick ( February 15, 2018 ). `` Closing the book on the Super Bowl ' This Is Us ' : Week 19 broadcast Live + 7 ratings ''. TV by the Numbers. Retrieved February 22, 2018. External links Official website List of Hawaii Five - 0 episodes on IMDb List of Hawaii Five - 0 episodes at TV.com List of Hawaii Five - 0 episodes at The Futon Critic Hawaii Five - 0 at epguides.com Hawaii Five - O and Hawaii Five - 0 Characters Steve McGarrett Wo Fat Hawaii Five - O ( 1968 -- 80 ) Seasons 5 6 7 8 9 10 11 12 Other Episodes Hawaii Five - 0 ( 2010 -- present ) Seasons 5 6 7 8 Episodes `` Pilot '' `` Ina Paha ( If Perhaps ) '' Retrieved from `` https://en.wikipedia.org/w/index.php?title=Hawaii_Five-0_(2010_TV_series,_season_8)&oldid=827012954 '' Categories : 2017 American television seasons 2018 American television seasons Hawaii Five - 0 ( 2010 TV series ) seasons Hidden categories : Infobox television season articles that use the season name parameter Pages using div col with deprecated parameters Official website not in Wikidata Talk Contents About Wikipedia Français Italiano Русский ไทย Edit links This page was last edited on 22 February 2018, at 07 : 13. 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Question: how many episodes does hawaii five o season 8 have
Answer: 15