| Hau'oli La Ho'omaika'I |
|Season 4, Episode 9|
|Air date||November 22, 2013|
Hau'oli La Ho'omaika'I (Happy Thanksgiving) is the 9th episode of Season 4 of the 2010 remake version of Hawaii Five-0.
With the President on the way to Oahu, Five-0 is tasked with the murder investigation of a secret service agent while Steve's Aunt Deb comes for a visit along with an eye opening secret.
Five-0 investigate the murder of Kyle Russo, a Secret Service agent, who is found in a barrel of lye. After learning that the President is visiting Hawaii to participate in a secret meeting with North Korean delegates. They identify the assassin, Dante Barkovwho is wanted by Interpol.
After finding one of his accomplices, it is revealed that the President is not the target, but a young woman, Andrea Hicks, who is in hiding after witnessing a murder in Dallas. They manage to find and kill Barkov before he can shoot Andrea.
Meanwhile, McGarrett's aunt Deb pays a surprise visit for Thanksgiving, where she reveals that she has an inoperable brain tumor and chooses not to seek treatment which leaves Steve devastated while Kono finds a lead to Adam's location in Seattle.
- Deb McGarrett, Steve and Mary's aunt is introduced for the first time.
- Chin Ho Kelly killed 1 person.
|Alex O'Loughlin||A Navy SEAL and leader of the Hawaii Five-0 Task Force.|
|Scott Caan||2nd-in-command of the Hawaii Five-0 Task Force and Steve's partner.|
Chin Ho Kelly
|Daniel Dae Kim||A member of the Hawaii Five-0 Task Force.|
|Grace Park||Youngest member of the Hawaii Five-0 Task Force, and cousin of Chin.|
|Dr. Max Bergman||Masi Oka||Chief Medical Examiner for the Hawaii Five-0 team.|
|Catherine Rollins||Michelle Borth||An Ex-Navy Lieutenant and Steve's on-off girlfriend.|
|Debora McGarrett||Carol Burnett||Steve and MaryMcGarrett's aunt.|
|Nicky Demarco||Larry Manetti||TBD|
|Kamekona||Teila Tuli||An associate of the H50 team, and owner of Wailoa Shave Ice|
|Mamo Kahike||Al Harrington||Life long resident of Hawaii, and a family friend to Steve McGarrett.|
|Mary McGarrett||Taryn Manning||Steve McGarrett's little sister.|
|Lou Grover||Chi McBride||Captain of the HPD SWAT team.|
|Sgt. Duke Lukela||Dennis Chun||Sergeant with the Honolulu Police Department..|
|Grace Williams||Teilor Grubbs||Danny Williams's daughter and first born child.|
|Flippa Tupuola||Shawn Mokuahi Garnett||An associate of the H50 team, and cousin of Kamekona Tupuola.|
|Agent Devin Campbell||Paul Ben-Victor||An agent with the Secret Service.|
|Sheila Hicks||Marcia Zina Mager||A woman who appears in the episode.|
|Andrea Hicks||Alexandra Curran||A woman in hiding after witnessing a murder in Dallas.|
|Rafael Moreno||Brian Kamei||A man who appears in the episode.|
|Dante Barkov||Tom Hintnaus||An assassin.|
|Aloha ke kahi I ke kahi ♦ A'ale Ma'a Wau ♦ Ka 'oia'i'o ma loko ♦ A ia la aku ♦ Kupu'eu ♦ Kupouli 'la ♦ [Ua Nalohia ♦ Akanahe |
♦ Ha'uoli La Ho'omoaika'i ♦ Ho'onani Makuakane ♦ Pukana ♦ O kela me keia manawa ♦ Hana Lokomaika'i ♦ Na Hala a ka makua ♦ Pale'la ♦ Hoku Welowelo ♦ Ma lalo o ka ili ♦ Ho'i Hou ♦ Ku I Ka Pili Koko ♦ Pe'epe'e Kanaka ♦ Makani 'Olu a Holo Malie ♦ O ka Pili'Ohana ka 'Oi