Season 9
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.
Episodes
1 Ka ʻowili ʻokaʻi (Cocoon) Sep 28, 2018 
2 Ke kanaka i hāʻule mai ka lewa mai (The Man Who Fell from the Sky) Oct 5, 2018 
3 Mimiki ke kai, ahuwale ka papa leho (When the Sea Draws Out the Tidal Wave, the Rocks Where the Cowries Hide Are Exposed) Oct 12, 2018 
4 Aʻohe kio pohaku nalo i ke alo pali (On the Slope of the Cliff, Not One Jutting Rock Is Hidden from Sight) Oct 19, 2018 
5 Aʻohe mea ʻimi a ka maka (Nothing More the Eyes to Search for) Oct 26, 2018 
6 Aia i Hi‘ikua, i Hi‘ialo (Is Borne on the Back, Is Borne in the Arms) Nov 2, 2018 
7 Pua aʻe la ka uwahi o ka moe (The Smoke Seen in the Dream Now Rises) Nov 9, 2018 
8 Lele pu na manu like (Birds of a Feather) Nov 16, 2018 
9 Mai ka po mai ka ʻoiaʻiʻo (Truth Comes from the Night) Nov 30, 2018 
10 Pio ke kukui, poʻele ka hale (When the Light Goes Out, the House Is Dark) Dec 7, 2018 
11 Hala i ke ala oʻiʻole Mai (Gone on the Road from Which There Is no Returning) Jan 4, 2019 
12 Ka hauli o ka mea hewa ʻole, he nalowale koke (A Bruise Inflicted on an Innocent Person Vanishes Quickly) Jan 11, 2019 
13 Ke iho mai nei ko luna (Those Above Are Descending) Jan 18, 2019 
14 Ikiiki i ka la o Keawalua (Depressed with the Heat of Kealwalua) Feb 1, 2019 
15 Hoʻopio ʻia e ka noho aliʻi a ka ua (Made Prisoner by the Reign of the Rain) Feb 15, 2019 
16 Hapai ke kuko, hanau ka hewa (When Covetousness is Conceived, Sin is Born) Feb 22, 2019 
17 Eʻao luʻau a kualima (Offer Young Taro Leaves To) Feb 22, 2019 
18 Ai no i ka ʻape he maneʻo no ko ka nuku (He Who Eats 'ape is Bound to Have His Mouth Itch) Mar 8, 2019 
19 Pupuhi ka heʻe o kai uli (The Octopus of the Deep Spews Its Ink) Mar 15, 2019 
20 Ke ala o ka pu (Way of the Gun) Apr 5, 2019 
21 He kama na ka pueo (Offspring of an Owl) Apr 12, 2019 
22 O ke kumu, o ka mana, hoʻopuka ʻia (The Teacher, The Pupil - Let It Come Forth) Apr 26, 2019 
23 Hoʻokahi no la o ka malihini (A Stranger Only for a Day) May 3, 2019 
24 Hewa ka lima (The Hand Is at Fault) May 10, 2019 
25 Hana Mao ʻole ka ua o Waianae (Endlessly Pours the Rain of Waianae) May 17, 2019