Season 9

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Season 9
Episode information
Airdates	September 28, 2018 – May 17, 2019
Cast	Alex O'Loughlin Scott Caan Ian Anthony Dale Meaghan Rath Jorge Garcia Beulah Koale Chi McBride Dennis Chun Taylor Wily Kimee Balmilero
No. of episodes	25
Premiere	Cocoon
Finale	Endlessly Pours the Rain of Waianae
Previous	Season 8
Next	Season 10

The ninth season of Hawaii Five-0 premiered on September 28, 2018 on CBS and concluded on May 17, 2019. The season consisted of 25 episodes.

Cast

Main

• Alex O'Loughlin as Commander Steve McGarrett
• Scott Caan as Detective Danny Williams
• Ian Anthony Dale as Investigator Adam Noshimuri
• Meaghan Rath as Officer Tani Rey
• Jorge Garcia as Jerry Ortega
• Beulah Koale as Officer Junior Reigns
• Chi McBride as Captain Lou Grover
• Taylor Wily as Kamekona Tupuola
• Kimee Balmilero as Dr. Noelani Cunha
• Dennis Chun as Sergeant Duke Lukela

Recurring

• Shawn Anthony Thomsen as Officer Pua Kai
• Andrew Lawrence as Eric Russo
• Laura Mellow as Nalani Lukela
• Cidni Romias as Akela Nakahara
• Rochelle Aytes as Agent Greer
• Zach Sulzbach as Charlie Williams
• Teilor Grubbs as Grace Williams
• Claire van der Boom as Rachel Hollander

Guest

• Mark Dacascos as Wo Fat
• Rosalind Chao as Governor Keiko Mahoe
• Clifton Powell as Percy Lee Grover Jr.
• Louis Gossett Jr. as Percy Grover
• Gladys Knights as Ella Grover
• Michelle Hurd as Renee Grover
• Chosen Jacobs as William Grover
• Eddie Cahill as Carson Rodes
• Terry O'Quinn as Joe White
• Michelle Borth as Catherine Rollins
• Chris Vance as Harry Langford
• David Keith as Wade Gutches
• Joan Collins as Amanda Savage
• Taryn Manning as Mary McGarrett
• Charlie Saxton as Ricky Schiff
• Joey Lawrence as Aaron Wright

Episodes

Title	Written by	Directed by	Original air date	Production code
Cocoon	Peter M. Lenkov	Bryan Spicer	September 28, 2018	901
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.
The Man Who Fell from the Sky	David Wolkove & Matt Wheeler	Eagle Egilsson	October 5, 2018	902
When a vacationing dad on a flight to Honolulu is kidnapped and force 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.
When the Sea Draws Out the Tidal Wave, the Rocks Where the Cowries Hide Are Exposed	Rob Hanning	Antonio Negret	October 12, 2018	903
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.
On the Slope of the Cliff, Not One Jutting Rock is Hidden from Sight	Talia Gonzalez & Bisanne Masoud	Ron Underwood	October 19, 2018	904
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.
Nothing More the Eyes to Search For	Zoe Robyn & Sean O'Reilly	Liz Allen Rosenbaum	October 26, 2018	905
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.
Is Borne on the Back; Is Borne in the Arms	Rob Hanning & Paul Grellong	Peter Weller	November 2, 2018	906
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.
The Smoke Seen in the Dream Now Rises	Peter M. Lenkov (Story) David Wolkove & Matt Wheeler (Teleplay)	Brian Spicer	November 9, 2018	907
McGarrett investigates a cold case from the 1940s, one that his grandfather and the famous Honolulu detective Chang Apana worked on, and he tries to deduce how the case could have been solved. Also, McGarrett and Danny get ready for the opening of their restaurant.
Birds of a Feather...	Chi McBride	Carlos Bernard	November 16, 2018	908
Thanksgiving brings Grover's parents and brother Percy Jr. to Oahu for a visit tainted by sibling rivalry, and Five-0 investigates a thief who is crushed to death by an empty safe.
Truth Comes from the Night	Christos Gage & Ruth Fletcher Gage	Brad Tanenbaum	November 30, 2018	909
A renowned urban vigilante is killed after making another citizen's arrest, and Five-0 delves into the world of super heroes and comic books to find the killer. Also, Adam finally gets closer to finding out who killed his sister.
When the Light Goes Out, the House Is Dark	Paul Grellong	Gabriel Beristain	December 7, 2018	910
After fighting off an assassin in his own home, McGarrett and Joe White flee to Montana to prepare for a battle against those exacting revenge for a past SEAL mission.
Gone on the Road from which There Is No Returning	Matt Wheeler & David Wolkove	Carl Weathers	January 4, 2019	911
Still reeling from the murder of one of their ohana, Steve and Catherine along with Danny, Junior and some old friends, Harry Langford and Wade Gutches hunt down the killer. Also, Tani and Grover investigate when a bag of human bones, discovered inside an abandoned storage locker goes missing.
A Bruise Inflicted on an Innocent Person Vanishes Quickly	Zoe Robyn	Roderick Davis	January 11, 2019	912
MacGarrett and Five-0 support Danny and Rachel by determining what happened when Grace gets into a life-threatening car accident and lands in critical condition. Also, Tani helps Koa when his rehab patient goes missing.
Those Above are Descending	Johnny Richardson (Story), Rob Hanning & Sean O'Reilly (Teleplay)	Karen Gaviola	January 18, 2019	913
Adam, Junior and Tani travel to the bottom of the Pacific Ocean when a murder takes place in a remote underwater lab, and the killer may still be on board.
Depressed with the Heat of Kealwalua	Paul Grellong	Peter Weller	February 1, 2019	914
While investigating Flippa's friend's murder, McGarrett and Grover uncover a deadly plan by an extremist group on the Island. Also, Grover has an emotional reaction to the case.
Made Prisoner by the Reign of the Rain	Rob Hanning	Karen Gaviola	February 15, 2019	915
As a dangerous hurricane hits Oahu, Five-0 is tasked with protecting El Diablo is captured serial killer who is being hunted by an assassin. Also, Tani's civilian safety check during the storm turns deadly and Rachel and Charlie evacuate to Danny's house, where the ex-spouses reminisce.
When Covetousness is Conceived, Sin is Born	Talia Gonzalez & Bisanne Masoud	Jerry Levine	February 22, 2019	916
When the top salesperson for a beauty company/pyramid scheme is murdered, Five-0 sifts through a long list of possible suspects who would want her dead. Also, Adam befriends a homeless man estranged from his family.
Offer Young Yaro Leaves to	David Wolkove & Matt Wheeler	Alex O'Loughlin	February 22, 2019	917
Junior is torn between his duties as a member of Five-0 and his feelings for his former girlfriend when her new love, the father of her son, is one of the culprits in a bank-heist-turned-homicide.
He Who Eats 'Ape is Bound to Have His Mouth Itch	Matt Wheeler & David Wolkove	Eagle Egilsson	March 8, 2019	918
Tani and Junior go undercover at a gym to track down a deadly batch of steroids that’s killing users, before the drugs claim any more victims. Also, Danny and MacGarrett sub as bodyguards for Danny’s high maintenance ex-mother-in-law, Amanda Savage is a wildly famous romance novelist with whom he has never gotten along
The Octopus of the Deep Spews It's Ink	Christos Gage & Ruth Fletcher Gage	Maja Vrvilo	March 15, 2019	919
Five-0 investigate the murder of a window washer and find that the victim is actually a renowned street artist who may have a politically motivated bounty on his head. Also, Grover and Adam look into the murder of a gambler, and Junior helps his father when they are reminded of his sister's death.
Way of the Gun	Paul Grellong	David Straiton	April 5, 2019	920
Five-0 must locate a teen girl who purchased a gun from a junkie, and discover that the firearm, over the course of decades, has affected all of their lives.
Offspring of an Owl	David Wolkove & Matt Wheeler	Jerry Levine	April 12, 2019	921
Five-0 investigates the murder of a man whose body may hold the key to a 20-year-old case involving a kidnapped girl whose father never stopped looking for her.
The Teacher, the Pupil - Let it Come Forth	Rob Hanning & Ashley Dizon	Brad Turner	April 26, 2019	922
While Adam investigates the murder of an undercover FBI agent about to wed the daughter of a Yakuza leader, Noelani is held hostage and forced, along with her mentor Dr. Chu to operate at gunpoint on a criminal.
A Stranger Only for a Day	Zoe Robyn	Gabriel Beristain	May 3, 2019	923
While McGarrett helps his visiting sister, Mary spy on her shady neighbors, Five-0 investigates the murders of a ride-share driver and his passenger. Also, the team teases the youngest members of Five-0 when Junior escorts Tani to a wedding.
The Hand is at Fault	Paul Grellong & Sean O'Reilly	Peter Weller	May 10, 2019	924
Fugitive hacker Aaron Wright resurfaces to ask Five-0 for help when his co-workers at the NSA, which he has been working for, are all murdered. Also, Junior speaks at the parole hearing of the drunk driver who killed his sister.
Endlessly Pours the Rain of Waianae	Matt Wheeler & David Wolkove	Eagle Egilsson	May 17, 2019	925
Five-0 continues to hunt down escaped criminal Aaron Wright before he can sell cyber-weapons to the highest bidder. Also, the lives of McGarrett and the team are put in danger when a visitor comes to headquarters to make amends.

Trivia

• On April 18, 2018, CBS renewed the series for a ninth season of H50 along with 10 other series, including the reboot series MacGyver and freshman series S.W.A.T..
• On May 17, 2018 it was confirmed that Hawaii Five-0 would air in the fall and keep its Friday at 9/8c slot.
• Ian Anthony Dale is set to return to the series in episode six due to conflicting filming of other CBS television series Salvation in which he is also a series regular.
• It was later announced that Louis Gossett Jr. and Gladys Knight are set to guest star in an episode as the father and mother respectively of McBride's character, Lou Grover.
• On November 20, 2018 it was announced that Terry O'Quinn would return in the season's mid-season finale, while on December 4, 2018 it was reported that former main cast member Michelle Borth would return for the mid-season premiere.
• It was revealed on January 18, 2019 that Joan Collins would be guest starring in an episode as Amanda Savage.
• On March 6, 2019, it was reported that former main cast member Taryn Manning, who last appeared as a guest star in the sixth season, would be returning as Mary McGarrett.
• Andy Lawrence's brother Joey who appeared as a guest star in the eighth season is expected to return as a guest star in the two-part season final since his other brother Matthew appeared in episode sixteen.

Seasons of Hawaii Five-0
Season 1 ♦ Season 2 ♦ Season 3 ♦ Season 4 ♦ Season 5 ♦ Season 6 ♦ Season 7 ♦ Season 8 ♦ Season 9 ♦ Season 10