KTTA-LD The team investigates the murder of a Navy contractor who secretly lived two lives for decades. 2026-08-18 Pride is given a series of tasks to complete by unknown assailants who are holding Wade and his father hostage. 2026-08-18 Pride and the team hope to take down a secret and lethal group of former intelligence agents and avenge the death of someone close to them. 2026-08-18 While undercover, Gregorio joins a social club for military wives after one of the members is contacted by an ex-boyfriend who is on the FBI's most wanted list. 2026-08-18 NCIS investigates the disappearance of a Navy entomologist after a deadly shooting at a research lab; the team finds that a rare and deadly virus was stolen. 2026-08-18 Pride and the team reunite with conspiracy journalist Oliver Crane after the source for his latest story is murdered; Hannah's former partner, Liam Somers, surprises her and shares a shocking revelation about an old case. 2026-08-18 While decommissioning an old nuclear missile, an accident causes the team to endure exposure to toxic vapor while trying to prevent the nuke from detonating; Paige confronts Happy about constantly tagging along with her and Walter. 2026-08-18 While attending a tech convention, Team Scorpion is taken hostage by a group attempting a virtual heist. 2026-08-18 At Halloween, the team takes on a case to prove the existence of ghosts on the Queen Mary but find a ship on a deadly collision course; Walter considers taking note of Paige's interests to benefit their relationship. 2026-08-18 A device that can prevent a nuclear meltdown is tracked through the Los Angeles sewers; Walter learns to listen and not offer advice to Paige; the team meets their new neighbor. 2026-08-18 A special personal mission sends McGarrett's Aunt Deb (Carol Burnett) to Oahu; unstable Japanese WWII bombs hidden on the island are stolen. 2026-08-18 Grover goes to Chicago to get a confession from Clay Maxwell; Chin and Kono are held at gunpoint by people who don't know they are cops. 2026-08-18 A double homicide occurs that involves infidelity; McGarrett and the team share disastrous Valentine's Day experiences. 2026-08-18 Danny's mom is questioned by the FBI; McGarrett works with a young, autistic man who might be able to help solve a murder. 2026-08-18 McGarrett turns to Odell Martin (Michael Imperioli) for help when a confidential informant is accused of murder. 2026-08-18 A Russian spy steals a flash drive containing classified information that puts a Five-0 member at risk; McGarrett learns why Catherine left; Abby keeps her mission a secret. 2026-08-18 The body of a man left for dead off the coast of Oahu leads Five-0 to a deadly slave trade business that is operating aboard a fishing vessel. 2026-08-18 Grover is forced to take his family on the run when a dangerous mob boss seeks revenge for a 15-year-old case. 2026-08-18 The team investigates the theft of high-tech indestructible suits made for the military; Jerry and his sister try to save a captive elephant. 2026-08-18 When a deliberate chemical spill enables six dangerous inmates to escape, the team goes on an intensive manhunt to find them. 2026-08-18 The team races to save an abducted college student from a dangerous vigilante; Max, Kamekona and Flippa struggle to survive after being shipwrecked. 2026-08-18 The Five-0 team learns that one of its own has a deep connection to the young daughter of a woman who was murdered in her home. 2026-08-18 Five-0 tries to protect a wounded Gabriel and plan an escape when enemy gunmen storm the dilapidated building in which Gabriel is trapped. 2026-08-18 McGarrett and Danny pose as drug pilots in a plan to stop a meth epidemic on the island; Danny is forced to break cover and land the plane when McGarrett is seriously wounded. 2026-08-18 The team hunts for a murderer who has been targeting serial killers, marking their corpses with an ivory chess piece. 2026-08-19 A rogue MI-6 agent is the key to finding a terrorist who plans to cause the meltdown of nuclear reactors across Europe; McGarrett and Danny need the help of an FBI profiler to find a killer. 2026-08-19 After finding a corpse in her bed, FBI profiler Alicia Brown joins McGarrett in a hunt for a killer; Kono reconnects with a former surfing competitor. 2026-08-19 When the serial killer that Alicia and McGarrett have been hunting kidnaps them, it's up to Five-0 to find them before it's too late. 2026-08-19 A cache of guns is stolen by a person looking to make a statement on gun violence; Kono and Adam are reunited. 2026-08-19