<Tr> <Th> 172 </Th> <Td> </Td> <Td> "E uhi wale no' a'ole e nalo, he imu puhi" "No Matter How Much One Covers a Steaming Imu, The Smoke Will Rise" </Td> <Td> Antonio Negret </Td> <Td> Rob Hanning </Td> <Td> October 20, 2017 (2017 - 10 - 20) </Td> <Td> 804 </Td> <Td> 8.67 </Td> </Tr> <Tr> <Td_colspan="8"> Five - 0's confidential informant Toast is murdered during a phone call between him and McGarrett . Five - 0 turns to Aaron Wright (Joey Lawrence) for help, but when Tani is ambushed in the hotel room with Wright, the team realise that Wright is behind the leak of their confidential informants . Kamekona is abducted by Joey Kang and beaten for information about lost money that Kang lost before he was captured . On another hand, Junior is proving efficient at the shooting field at the HPD academy, but after McGarrett finds him at a building set up for homeless people, he decides Junior can live with him while finishing at the academy . </Td> </Tr> <Tr> <Th> 173 </Th> <Td> 5 </Td> <Td> "Kama'oma'o, ka' aina huli hana" "At Kama'oma'o, The Land of Activities" </Td> <Td> Bronwen Hughes </Td> <Td> Peter M. Lenkov & Eric Guggenheim </Td> <Td> November 3, 2017 (2017 - 11 - 03) </Td> <Td> 805 </Td> <Td> 8.63 </Td> </Tr> <Tr> <Td_colspan="8"> On Halloween, Five - 0; later with the help of Alicia Brown (Claire Forlani) investigate the death of Tyler Riggins who is found dead in his truck stranded on the old Pali Highway . They are able to connect the recent murder of Bryon Hansen with Riggins' murder, and discover that the murders are heavily based on old Hawaiian folklore and that it is the killers pattern . They later discover that the killer is Marissa Walker who has been missing for 12 years, and see her killings as her active revenge towards her sister . After talking to Hannah Bell, her daughter Lucey is kidnapped by Walker . Five - 0 manage to rescue Lucey before Walker can finish recreating what happened to herself . In the meantime, on the mainland; Grover speaks to a captive named Sebastian Wake, who reveals true information about Clay Maxwell murdering his wife before he is executed . </Td> </Tr>

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