Up The Rebels
E1
An Irish terrorist uses disguise and deception in order to be able to smuggle explosives for the Troubles.
You Don't See Many Pirates These Days
E2
When a sea-freighter is hijacked, the wealthy millionaire owner calls in Five-O, but all is not how it seems...
The Cop On The Cover
E3
McGarrett must solve both a mysterious kidnapping and the problem of having a nosy reporter analysing his every move.
The Friends Of Joey Kalima
E4
McGarrett engages in a personal struggle to clear the record of an officer and close friend accused of criminal activity.
The Descent Of The Torches
E5
Five-O must find out whether the death of an archaeologist is linked to his supposed desecration of tomb of King Kamehameha.
The Ninth Step
E6
The return of a disgraced alcoholic policeman causes extra problems in the pursuit of a pair of armoured truck robbers.
Shake Hands With The Man On The Moon
E7
McGarrett must deal with an astronaut turned real-estate salesman in order to crack the case of a murdered reporter.
Deadly Doubles
E8
When a Russian tennis star wants to defect, McGarrett must work to prevent an international incident.
Deep Cover
E9
A secret submarine, the murder of a Navy officer and strange amnesia create a puzzling case for Steve McGarrett.
Tsunami
E10
A gang of university students plan a hoax tidal wave in order to steal priceless jewelry.
East Wind -- Ill Wind
E11
When an Asian ex-leader dies in a seemingly accidental swimming incident, his wife is convinced that he was murdered by forces from their home country.
Tread The King's Shadow
E12
McGarrett becomes involved in a love triangle between a young local man, a rich girl and her father who hates the Hawaiian origins of the boy.
The Big Aloha
E13
A young doctor is suspected of having been involved in the murder of his mentor.
A Short Walk On The Longshore
E14
In order to find out the identity of the murderer of a union leader, McGarrett goes undercover as a longshoreman.
The Silk Trap
E15
An up-and-coming young politician is blackmailed in order to affect his leadership of an congressional investigation.
Head To Head
E16
While pursuing a drug dealer, McGarrett also has to contend with a federal agent.
Tall On The Wave
E17
Danno must deal with a surfer, one of his friends, who is suspected of the murder of a girl.
Angel In Blue
E18
A female undercover cop threatens the progress of an investigation when she starts a relationship with a man connected to the case.
When Does A War End?
E19
A Japanese businessman comes under attack from a young man whose father suffered in an Japanese Prisoner of War camp.
Invitation To Murder
E20
McGarrett must deal with an apparent mass murderer when a will creates a fortune for the last family member left alive.
Frozen Assets
E21
A cryogenics institute comes under suspicion when an investigative writer becomes involved.
My Friend, The Enemy
E22
Five-O must deal with the kidnapping of an Arab princess, and Steve must also deal with an Italian female journalist's constant interruptions.
A Stranger In His Grave
E23
Five-O become involved in a complex case of body-switching, mystery investments and suitcases full of money.
A Death In The Family
E24
Five-O's world is shattered when mobsters catch Chin Ho undercover and order him to be killed.