Magnum and Higgins are shocked when one of her former MI6 teammates shows up with a fresh gunshot wound and news that “the Viper,” the assassin who killed Higgins’ true…

Magnum helps Dan, a struggling fisherman and fellow veteran, when his 300-pound tuna worth $350,000 is stolen, and he discovers that the thief needs Magnum’s help as well.

When Junior is kidnapped as leverage to retrieve the stolen list of undercover CIA agents, and most of Five-0 is rounded up by the CIA to prevent them from interfering,…

When Mac and the team travel to Hawaii to aid in earthquake relief efforts, they team up with Chin and Kono from the Five-0 task force to rescue a group…

While the team investigates a couple’s murder in which their sons are the prime suspects, McGarrett is shocked when Aunt Deb returns to the island with her new fiancé.

When McGarrett is kidnapped by Wo Fat, he experiences what would have happened to the team if they had taken a very different path, on the 100th episode.

As Five-0 investigates a double homicide involving marital infidelity, McGarrett and the team recount their disastrous Valentine’s Day experiences.

When a Navy SEAL, who’s on the run for a murder he swears he didn’t commit, takes hostages and safe haven aboard the U.S.S. Missouri memorial battleship, McGarrett must use…

A violent convict escapes from prison and kidnaps a young couple on vacation; McGarrett’s estranged sister comes to town.

Steve McGarrett is summoned home to the island of Honolulu to bury his father after he is murdered by a madman. Governor Jameson wants Steve to head up a new…