Guest Starring: Mark Dacascos (Wo Fat), Ian Anthony Dale (Adam Noshimuri), Taylor Wily (Kamekona), Henry Ian Cusick (Ernesto), Nestor Serrano (El Condor), Martha Higareda (Flora)
With: Martin Starr (Adam "Toast" Charles)
And: Chi McBride (Captain Lou Grover)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Luis Carazo (Ricardo Cosi / Assault Soldier #3), Luis R. Espinoza (Juan / O'ahu Water and Power Worker #2), Eddie Fernandez (O'ahu Water and Power Worker #4), Shawn Thomsen (HPD Recruit Pua Kai), Vancamp Popese (Tomas / Businessman), Charlie Compuesto (Alejandro / Tow Truck Driver), Greg Hunt (Special Forces Commander), Brian Kasai (Security Guard), Doug Thurston (Commanding Officer)
Written By: Peter M. Lenkov & Ken Solarz
Directed By: Bryan Spicer
Ep:
A'ale Ma'a Wau (Fish Out of Water)
Guest Starring: Tim Daly (Ray Harper), Ian Anthony Dale (Adam Noshimuri), Taylor Wily (Kamekona), Justin Bruening (Lieutenant Commander Billy Harrington), Marcus Natividad (Tom Akuna), Brando Eaton (Carl Jacobson)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Teilor Grubbs (Grace Williams), Shawn Mokuahi Garnett (Flippa), Bobby Foley (Michael Maki), Ajax Maharlika (Frankie Choi), Kristi Lauren (Amanda Harper), Jon Michael Zimbrich (Shrimp Player)
Written By: John Dove
Directed By: Joe Dante
Ep: 74
Ka 'oia'i'o ma Loko (The Truth Within)
Guest Starring: Justin Bruening (Lieutenant Commander Billy Harrington), Taylor Wily (Kamekona), Jake Lockett (Hewitt Van Horn)
And: Jorge Garcia (Jerry Ortega)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Jesiree Dizon (Kaylea Van Horn), Jared Ward (Phillip Van Horn), Jenn Boneza (Alani), Loretta Ables Sayre (Mrs. Ortega), Adam Leadbeater (Foley), Will Oak Wild (Ellis Gregory), Aaron Madriaga (HPD Uni), Aya Laprete Powell (Girl With Backpack)
Written By: Steven Lilien & Bryan Wynbrandt
Directed By: Duane Clark
Ep: 75
A ia la Aku (From This Day Forward)
Guest Starring: Rebecca De Mornay (Barbara Cotchin), Autumn Reeser (Gabby Asano), Ian Anthony Dale (Adam Noshimuri), Justin Bruening (Billy Harrington), Briana Lane (Dahlia Swain), Alex Ashbaugh (Nathan Cotchin), Bruce Nozick (Allen Kingston)
Co-Starring:
Written By: Christina M. Kim & David Wolkove
Directed By: Bryan Spicer
Ep: 76
Kupu'eu (Fallen Hero)
Guest Starring: Justin Bruening (Billy Harrington), Ian Anthony Dale (Adam Noshimuri), Lacey Beeman (Abby Maxwell), Larry Poincexter (Lee Benner)
And: Terry O'Quinn (Joe White)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Monica Lacy (Sandra Cutler), Logan Fahey (Andrew Burns), James Brennan (Sam), James Ireland (E.R. Doctor), Thomas Allen (Tom Harrington), Chad Takesue (Morgue Attendant), Taylor King (Teen Driver), Paul Bauer (John Cutler), John Mark Harmon (Jason Kroll), Doolin Rakes (Irish Band)
Written By: Moira Kirland & Eric Guggenheim
Directed By: Jeffrey Hunt
Ep: 77
Kupouli 'la (Broken)
Guest Starring: DJ Qualls (Marshall Demps), Corbin Bernsen (Henry Upton), Rumer Willis (Sabrina Lane), Brian Tee (Ryu Nabushi / Hideaki Kuroda)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Teilor Grubbs (Grace Williams), Keo Woolford (Sergeant James Chang), Dixie Rose (Lisa Mills), Kenneth Matepi (Dr. William Ellery), Joseph Dubiel (Moviegoer), Masayo Terao (Trauma Doctor), Lance Teixeira (Driver), Kawika Smith (Security Guard), Wesley Busser (Morgue Attendant), Steven Sung (CSU Tech), Yosef Kasnetzkov (Brock Upton), Scott Folsom (Zombie / Michael Besner)
Written By: David Wolkove & Sue Palmer
Directed By: Jon Terlesky
Ep: 78
Ua Nalohia (In Deep)
Guest Starring: Daryl Hannah (Cheri Tranton), Alvin Joiner (JC Dekker), Colby French (ATF Special Agent Blake Kennedy), Brian Lee (Hideaki Kuroda), Floriana Lima (Allison Hutchins)
With: Taryn Manning (Mary Ann McGarrett)
And: Chi McBride (Captain Lou Grover)
Co-Starring: Brian Yang (Charlie Fong), Christie Burson (Linda Davies), West LeClay (Matt Hutchins / Surfer), Finn Armstrong (Ray Ballard / Second Surfer), Cathy Foy (Waitress / Nani), Mahina Garcia (Dealer), Antonio Bustamante, Jr. (Swat Officer)
Co-Starring: Andrew Pang (Luke Davis), Eri Aihara (Wife), Melissa Puana-Martin (Governor's Administrator), Stephen Meyers (Paramedic), Hoku Gilbert (Branch Manager), Sam Merritt (Student)
Written By: Steven Lilien & Bryan Wynbrandt
Directed By: Jerry Levine
Ep: 80
Hau'oli La Ho'omaika'I (Happy Thanksgiving)
Special Guest Star: Carol Burnett (Deb McGarrett)
Guest Starring: Larry Manetti (Nicky "The Kid" Demarco), Taylor Wily (Kamekona), Paul Ben-Victor (Agent Devin Campbell), Al Harrington (Mamo Kahike)
With: Taryn Manning (Mary Ann McGarrett)
And: Chi McBride (Captain Lou Grover)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Teilor Grubbs (Grace Williams), Shawn Mokuahi Garnett (Flippa), Marcia Zina Mager (Sheila Hicks), Alexandra Curran (Andrea Hicks), Brian Kamei (Rafael Moreno), Tom Hintnaus (Dante Barkov), Sam Choy (Butcher)
Written By: Eric Guggenheim & Moira Kirland
Directed By: Allison Liddi-Brown
Ep: 81
Ho'onani Makuakane (Honor Thy Father)
Guest Starring: James Saito (David Toriyama), Jack Axelrod (Ezra Clark), Chuck McCollum (Admiral)
Co-Starring: Brian Yang (Charlie Fong), Jarod Einsohn (Young Ezra Clark), Luke Hagi (Young David Toriyama), Conrad Keola'ikaika Pratt (Kenji Toriyama), Mary Gutzi (Dawn Rigby Burnette), Arnold Chun (James Toriyama), Hira Ambrosino (Martha Toriyama), Miki Asahi (Linda), Eric Manke (Thomas Archer), Sumitoshi Sakamoto (Buddhist Monk), Joshua Paul Curtis Macy (Soldier #1), Donovan Smith (Soldier #2), Jared Broxterman (Soldier #3), Gaelen Lowers (Fed #1), Jason New (Fed #2), Marshall Magnan (Soldier)
Written By: Peter M. Lenkov & Ken Solarz
Directed By: Larry Teng
Ep: 82
Pukana (Keepsake)
Guest Starring: Lindsay Price (Leilani), Taylor Wily (Kamekona), James Urbaniak (Gary Nathan), Monique Gabriela Curnen (FBI Special Agent Rebecca Conway), Paige Hurd (Samantha Grover), Heather Dubrow (Emily)
And: Chi McBride (Captain Lou Grover)
Co-Starring: Teilor Grubbs (Grace Williams), Brian Yang (Charlie Fong), Scott Subiono (Tim Sapoli / Unknown Suspect), Shiro Kawai (Mitsue Tanaka), Melanie Molnar (Tamara's Mom), Danny Barclay (Shadowy Figure / Victor Dobbs)
Written By: Bill Haynes
Directed By: Bryan Spicer
Ep: 83
O Kela me Keia Manawa (Now and Then)
Guest Starring: Taylor Wily (Kamekona), Ian Anthony Dale (Adam Noshimuri), Karl Makinen (Jack Anderson), Eugene Shaw (Dennis Koga), Lili Simmons (Amber Vitale), Laurie Fortier (Bridgette Anderson)
And: Chi McBride (Captain Lou Grover)
Co-Starring: Teilor Grubbs (Grace Williams), Brian Yang (Charlie Fong), Dennis Chun (Sergeant Duke Lukela), Shawn Mokuahi Garnett (Flippa), Zeus Kang (Gus Yamada), Spencer Churchill (Justin Anderson), Michael Ray Clark (Adrian Poe), Nick Hoffa (Alex Roberts), Zay Harding (Matt Haley), Jennifer Fairbank (Bartender), Mahealani Richardson (News Reporter), Nicholas Yee (CSU Tech), Joanna Georgiev (Girl), Ekona Ravey (Boyfriend)
Written By: John Dove
Directed By: Peter Weller
Ep: 84
Hana Lokomaika'i (The Favor)
Guest Starring: Robert Knepper (IA Detective Rex Coughlin), Reiko Aylesworth (Malia Waincroft), Christopher Sean (Gabriel Waincroft)
And: William Sadler (John McGarrett)
Co-Starring: Brian Thompson (IA Detective Nicholas Cruz), Kelly R. Thomas (DEA Agent Branch), Danny Akau (Ronald Palau), Jae Je (Teddy Luna), Una Wilding (Hanna Koi), Gary Ala (Kam Tong Kelly), Michael Hasegawa (Store Owner), Kyler Sakamoto (Son), David Asing (Gangbanger #1), Neil Andres (Gangbanger #2), Sumitoshi Sakamoto (Buddhist Monk)
Teleplay By: Peter M. Lenkov & Ken Solarz
Story By: Peter M. Tassler
Directed By: Sylvain White
Ep: 85
Na Hala a ka Makua (Sins of the Father)
Also Starring: Chi McBride (Captain Lou Grover)
Special Guest Star: Michael Madsen (Roy Parrish)
Guest Starring: Taylor Wily (Kamekona), Matthew Glave (Lead FBI Agent Kohl / Julian Lynch), Lyndon Smith (Lauren Parrish)
Co-Starring: Teilor Grubbs (Grace Williams), Keiko Elizabeth (Principal Ann Fiske), Geoff Heise (Judge), Jackie Tufa-Marques (School Secretary), Chris Gritti (Impala Driver), Alan Y. Okamoto (Defense Attorney)
Written By: David Wolkove
Directed By: Peter Weller
Ep: 86
Pale 'la (Buried Secrets)
Also Starring: Chi McBride (Captain Lou Grover)
Special Guest Star: Melanie Griffith (Clara Williams)
Co-Starring: Teilor Grubbs (Grace Williams), Dennis Chun (Sergeant Duke Lukela), Duke Kimhan (Akoni Sakata), Jennifer Saygan (Inoa Sakata), Bayani Ison (Jimmy Chan), Michael Jay Green (Gerard Burns), Jamie Sheppard (SWAT Member), Troy Apostol (Buyer #1)
Written By: Moira Kirland
Directed By: Jerry Levine
Ep: 87
Hoku Welowelo (Fire in the Sky)
Also Starring: Chi McBride (Captain Lou Grover)
Special Guest Star: Melanie Griffith (Clara Williams)
Guest Starring: Taylor Wily (Kamekona), Elaine Tan (Zi Chen), Patrick St. Esprit (Vice Admiral Graham Rhodes)
And: Jorge Garcia (Jerry Ortega)
Co-Starring: Laura Grace D'Angeli (Meg Spitz), Billy Flynn (Nick Spitz), Boo Arnold (Kevin Palmer), Wendy Pearson (Vicki), Michael Neumann (Jake), Bear Woznick (Captain), Curtis J. Jackson (D.O.D. Spook)
Written By: Steven Lilien & Bryan Wynbrandt
Directed By: Jeffrey Hunt
Ep: 88
Ma lalo o ka 'ili (Beneath the Surface)
Special Guest Star: Melanie Griffith (Clara Williams)
Guest Starring: Tom Berenger (Eddie Williams), Conor Leslie (Kelly Donovan), Booboo Stewart (Tommy Fa'aloa), Francois Chau (Gary 'Aikapu)
And: Jorge Garcia (Jerry Ortega)
Co-Starring: Teilor Grubbs (Grace Williams), Dennis Chun (Sergeant Duke Lukela), James Brennan (Sam), Noshir Dalal (Jay Cooper), Moani Hara (Jenny), Allison Chu (Amy Nguyen), Erwin Castillo (Delivery Man), Keoni Kramer (Owner)
Teleplay By: Bill Haynes & John Dove
Story By: Bill Haynes
Directed By: Bryan Spicer
Ep: 89
Ho'i Hou (Reunited)
Guest Starring: Rob Corddry (Tony Gibson), Taylor Wily (Kamekona), Peter Shinkoda (Alan Kim), Krista Allen (Nani Kahanu), Mackenzie Astin (Bradley Richmond)
And: Jorge Garcia (Jerry Ortega)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Samantha Sloyan (Sarah Richmond), James Brennan (CIA Agent Sam Connors), Elephant (80's Band), Cecilia Brown (Amana Santiago / Woman), Mary Anne McGarry (Nina Johnson), Bulldog (AV Club Buddy), Benjamin C. Lloyd (HPD Uniformed Cop)
Written By: Christina M. Kim
Directed By: Sylvain White
Note: Various key elements of this episode, such as the setting, murder weapon, wardrobe, music and title, were decided by online fan voting.
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Shawn Mokuahi Garnett (Flippa), Kala Alexander (Kawika), David Landry (Leon Chase), Angelica Quinn (Alicia Helani), Michael Hollick (Naval Intel Officer Lieutenant Granger), Jordan Salud (Black Clad Figure / Jamie Kamaka), Maz Siam (Interrogator), Ran Yatim (Leader), John A. Weaver (Suit), Gary Fritts (Seal), Christianno De Lugo (Najib Khan), Daniel Gilad (Taliban Fighter #3), Mehdi Mdouari (Taliban Fighter #7)
Teleplay By: Eric Guggenheim
Story By: Peter M. Lenkov & Ken Solarz & Eric Guggenheim
Directed By: Jeffrey Hunt
Ep: 93
O ka Pili 'Ohana ka 'Oi (Family Comes First)
Also Starring: Chi McBride (Captain Lou Grover)
Special Guest Star: Nick Jonas (Ian Wright)
Guest Starring: Mark Dacascos (Wo Fat), Taylor Wily (Kamekona), Paige Hurd (Samantha Grover), Michelle Hurd (Renee Grover), Richard Burgi (Curtis Novak), David Fabrizio (Jessup)
Co-Starring: Dennis Chun (Sergeant Duke Lukela), Eddie Rothman (Inoke Makuakane), Eme Ikwuakor (Super Max Guard), Nolan Hong (State Sheriff), Chad Burch (Sheriff's Sergeant), Ma'a Tanuvasa (Sheriff), Keala Kahuanui-Paleka (Soldier), Jamison (Henry Dunbar)
