7.7/103 votes#1 - O ka mea ua hala, ua hala ia (What is Gone is Gone)
Season 8 Episode 13 - Aired 1/12/2018
When a man accused of killing his wife threatens to commit suicide, Grover reveals how he too was once on the brink of taking his own life.
Director: Roderick Davis
Writer: Sean O'Reilly
7.7/103 votes#2 - He lokomaika’i ka manu o Kaiona (Kind is the Bird of Kaiona)
Season 8 Episode 20 - Aired 4/13/2018
Catherine Rollins recruits McGarrett and Jerry to help her track down a uranium deposit thought to be hidden on an abandoned Hawaiian island before a suspected terrorist can make dirty bombs with it. Also, when Junior falls and is trapped in a ravine, he reflects on his estranged relationship with his father.
Director: Bryan Spicer
Writer: Sean O'Reilly
7.0/102 votes#3 - Hewa ka lima (The Hand Is at Fault)
Season 9 Episode 24 - Aired 5/10/2019
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.
Director: Peter Weller
Writer: Sean O'Reilly
6.5/102 votes#4 - A'ohe mea 'imi a ka maka (Nothing More the Eyes to Search for)
Season 9 Episode 5 - Aired 10/26/2018
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.
Director: Elizabeth Allen Rosenbaum
Writer: Sean O'Reilly
6.5/102 votes#5 - Ke Iho Mai Nei Ko Luna (Those Above Are Descending)
Season 9 Episode 13 - Aired 1/18/2019
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
Director: Karen Gaviola
Writer: Sean O'Reilly
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Sean O'Reilly Ratings Summary
"O ka mea ua hala, ua hala ia (What is Gone is Gone)" is the best rated episode written by Sean O'Reilly. It scored 7.7/10 based on 3 votes. It was directed by Roderick Davis. It aired on 1/12/2018 and is rated 0.0 points higher than their second-best episode, "He lokomaika’i ka manu o Kaiona (Kind is the Bird of Kaiona)".