Episode list

Red Chinese agent Wo Fat uses a sensory deprivation chamber to procure information from U.S. agents. McGarrett, head of Hawaii's state police force, poses as "control," possessor of the names of other agents. He allows himself to be captured and placed in the chamber; will he be able to withstand the torture?

Five-O investigates multiple cases of missing women tourists. The victims were all recently widowed. It turns out that they are being seduced, swindled and then murdered. Five-O sets up an undercover operation in which a Honolulu Police Department woman officer will serve as bait. The culprits are a married couple. He seduces the victims, she pretends to be his sister.

A state official is killed by a bomb after arriving from a visit to the Mainland. Five-O discovers the official had more enemies than it initially appears.

A young singer is kidnapped shortly after a performance. The singer's father is a hotel magnate from the Mainland. However, the crime began as a hoax, and the two kidnappers are friends of the singer. Once the hotel magnate offers a big reward, the friends decide to collect -- at any cost.

The primary witness before a grand jury investigating a Hawaiian crime figure dies suddenly on the stand. At the same time, assassins from Japan are trying to kill the accused criminal. Five-O has to figure out the accused man's secret and why killers from Japan are after him.

Danny Williams is indicted and jailed after an off-duty pursuit leads to a suspect's death.

Five-O investigates a gold-smuggling ring. One young woman is already dead as a result of the gold smuggling. Five-O and the U.S. Treasury Department devise a sting operation aimed at nabbing Johnny Fargo, a brash operator, and the wealthy attorney who is the brains behind the operation.

During a high speed chase, a woman jumps from the car which the police had been chasing. McGarrett arrives to hear her dying words, "The ways of love." She was also somehow wearing a diamond earring that was part of a display of a foreign nation's Crown Jewels which were stolen while in Hawaii a few days earlier. At the dead woman's home, there is a letter addressed to Dave Barca, who is incarcerated in a California jail but who had been in Hawaii when the jewelry robbery occurred. McGarrett goes undercover, posing as another prisoner at the jail in California. Meanwhile, Danny Williams and other 5-0 officers find specialized X-ray equipment in the now-abandoned car involved in the chase. It turns out the thieves used the X-ray equipment to discover the combination of the safe that housed the jewels. Now, it's up to McGarrett to use Barca to find the jewels.

McGarrett is investigating a cat burglar who pulls off jobs in spectacular fashion. His most recent heist totaled $30,000 of jewels from a room in a high-rise hotel. The culprit is Joey Rand, a lounge singer who's also a compulsive gambler who owes a Mainland syndicate $200,000. His girlfriend, who works for a company that does tours, supplies Joey with the names and room numbers of well-to-do people. Joey is now the target of a determined McGarrett and the syndicate that's ready to kill him over the singer's gambling debts.

A U.S. serviceman, in Hawaii for R&R, becomes a pawn in a fight for control of a numbers syndicate. The head of the outfit, Philip Lo, is killed and the serviceman has been framed for it. McGarrett & Co. race to solve the killing, shut down the numbers syndicate and prevent the serviceman from becoming the next homicide victim.

McGarrett is gunned down during his morning run on the beach. While the lawman is in critical condition, Dan Williams leads the investigation. Shortly thereafter, another man is killed and Five-O probes whether the two incidents are related. It turns out they are -- and the state Attorney General may become the next victim.

An assistant district attorney is killed when he finds a ''box man'' i.e. safecracker rifling through the attorney's office on a Sunday. The assistant DA was preparing to prosecute Matsukino, a local mobster. The key piece of evidence, a handgun, is now missing. McGarrett brings in Matsukino and his right-hand man, Cardonus. McGarrett does a bit of psychological game playing by letting Matsukino go and keeping Cardonus in the lawman's office. The Five-O leader reminds Cardonus that Matsukino doesn't like to leave loose ends. After Cardonus is released, his car blows up. Cardonus, knowing that Matsukino wants him dead, goes to Five-O. McGarrett wants Cardonus to testify at the upcoming trial. The question is whether Five-O can keep Cardonus alive to make the court date.

The series pilot, which originally aired as a two-hour TV movie, is re-edited as a two-part episode of the series. In the opening installment, a U.S. intelligent agent, a friend of McGarrett's, turns up dead on a Honolulu beach. McGarrett, knowing the man didn't swim, decides to investigate the death as a homicide. Five-O gets no cooperation from the Feds, making McGarrett suspicious. His probe eventually leads to a mysterious ship, which is in dock for repairs. Going undercover as a member of a repair crew, McGarrett discovers a futuristic-looking chamber.

McGarrett goes to the Governor with news of what he's uncovered in his investigation. The two agree the matter is too big for any state or local law-enforcement agency. The Governor contacts Jonathan Kaye, who oversees U.S. intelligence activity in the Pacific Rim. Kaye recruits McGarrett as part of a risky operation. The lawman will be programmed to impart false information under interrogation -- and U.S. intelligence will leak word that McGarrett knows the identity of "Control," the man who has direct supervision of U.S. agents in the region. McGarrett, as planned, is captured and subjected to Wo Fat's "cocoon." He also uncovers the traitor who has been helping Wo Fat.