S3 E1 • And A Time To Die...

Five-O must act swiftly when the daughter of a top neurosurgeon is kidnapped by Wo Fat in order to make the surgeon operate on a wounded U.S. undercover agent who is carrying secret inforrmation of use to the Chinese.

Première diffusion : 16 septembre 1970

S3 E2 • Trouble In Mind

Singer Eadie Jordan has not only a comeback concert to perform, but also a serious heroin addiction. Poisoned heroin is being peddled on the islands, and McGarrett must try to save Eadie from scoring for the last time.

Première diffusion : 23 septembre 1970

S3 E3 • The Second Shot

Dr. Lemira, an opposition leader for Greece, is living in exile in Hawaii, but Klaus Marberg is sent to assassinate him. His plan is to get himself shot and work his way into Dr. Lemira's confidence so he can kill him easily. McGarrett must work out this plot and save the day before it is too late.

Première diffusion : 30 septembre 1970

S3 E4 • Time And Memories

When a lawyer is murdered, his wife becomes the top suspect and McGarrett investigates. However, matters are complicated by the fact that the woman had a relationship with McGarrett, and he jeopardises his job because of this.

Première diffusion : 7 octobre 1970

S3 E5 • The Guarnerius Caper

Shortly after giving a recital, the violin of a visiting Russian virtuoso is stolen, and McGarrett must retrieve it before the theft turns into an international incident.

Première diffusion : 14 octobre 1970

S3 E6 • The Ransom

Five-O's efforts to rescue a young boy from kidnappers go wrong when Kono is captured and beaten. An angry McGarrett must work out a way to rescue Kono without further endangering him.

Première diffusion : 21 octobre 1970

S3 E7 • Force Of Waves

When a ruthless businessman is blown up in a boat explosion, Five-O has many suspects to choose from, and they use psychological methods to determine the guilty party.

Première diffusion : 28 octobre 1970

S3 E8 • The Reunion

A Japanese computer research company executive is recognised by a veteran as his former captor in a Phillippine prison camp in World War II.

Première diffusion : 4 novembre 1970

S3 E9 • The Late John Louisiana

The hitman sent to kill the witness to a two year old murder instead falls in love with her and McGarrett and the team must lead the search to find her before duty overtakes love.

Première diffusion : 11 novembre 1970

S3 E10 • The Last Eden

Five-O search for the criminals who have set up Hawaiian singer and ecologist Jimmy Nuanu as the fall guy for a sewage plant bombing.

Première diffusion : 18 novembre 1970

S3 E11 • Over Fifty? Steal!

McGarrett and company must pit their wits against a veteran thief and robber who leaves Monopoly money at the scene of his crimes.

Première diffusion : 25 novembre 1970

S3 E12 • Beautiful Screamer

Dan Williams's fiancee is murdered by a strangler who writes poetry in lipstick on his victims' legs. Danno resolves to catch the culprit who has other murderous plans to carry out.

Première diffusion : 2 décembre 1970

S3 E13 • The Payoff

McGarrett must apprehend two abductors who are on the run with the proceeds of their crime in order to protect the lives of their co-conspirators.

Première diffusion : 9 décembre 1970

S3 E14 • The Double Wall

When a convicted murderer, Harry Kellem, hears a dying man say he committed the crime that Kellem was jailed for, he takes a doctor hostage and McGarrett must negotiate his way out of the situation.

Première diffusion : 16 décembre 1970

S3 E15 • Paniolo

A cowboy fears the loss of his land to a crooked estate agent and accidentally kills him by hitting him. McGarrett and his team must track the cowboy into the mountains and persuade him to give himself up.

Première diffusion : 30 décembre 1970

S3 E16 • Ten Thousand Diamonds And A Heart

An electronics genius is busted out of prison so he can mastermind a massive robbery of diamonds from the Honolulu Diamond Exchange.

Première diffusion : 6 janvier 1971

S3 E17 • To Kill Or Be Killed

Five-O investigates the death of Vietnam hero Jack Rigney, who fell from a balcony. His father is a World War II veteran, but his brother Michael is a peacenik, and Danno goes undercover as a draft dodger to help solve the mystery of Jack's death.

Première diffusion : 13 janvier 1971

S3 E18 • F.O.B. Honolulu (1)

Wo Fat and other top international agents converge on Hawaii to place bids on printing plates for twenty dollar bills, which are in the possession of a former friend of McGarrett.

Première diffusion : 27 janvier 1971

S3 E19 • F.O.B. Honolulu (2)

Five-O must deal with treason, murder and double-crosses in order to solve the case and prevent the U.S. from being flooded by fake currency.

Première diffusion : 3 février 1971

S3 E20 • The Gunrunner

The wife of an arms dealer is kidnapped by revolutionaries who want the guns diverted from their original destination, but the arms dealer himself is not as innocent as matters would indicate…

Première diffusion : 10 février 1971

S3 E21 • Dear Enemy

The wife of a convicted man fakes evidence in a new crime so that McGarrett will have to re-open her husband's case.

Première diffusion : 17 février 1971

S3 E22 • The Bomber And Mrs. Moroney

Danno's past comes back to haunt him when the brother of a young boy he shot is released and wants revenge. The brother takes Chin Ho, Jenny and others hostage in McGarrett's office and threatens to blow them up, and Danno must resolve the tense situation.

Première diffusion : 24 février 1971

S3 E23 • The Grandstand Play (1)

A baseball player, Lon Phillips, brings his backward son to Hawaii to escape threats on his life on the mainland.

Première diffusion : 3 mars 1971

S3 E24 • The Grandstand Play (2)

The son of the baseball player becomes the vital witness in a murder, but he is reluctant to tell either his father or Five-O of the crime.

Première diffusion : 10 mars 1971