• Air date: 11 Sep '73 24 episodes
      The sixth season of Hawaii Five-O premiered on September 11, 1973 and ended February 26, 1974. 24 episodes aired during this season. The Region 1 DVD was released on April 21, 2009. Creator and executive producer Leonard Freeman died during this season.
  • List of Episodes (24)
    • 1. Hookman

      11 Sep '73
      A amputee with no hands sets out to kill every police officer who contributed to his injury, and that includes Steve McGarrett.
    • 2. Draw Me A Killer

      18 Sep '73
      Murders are being committed seemingly at random every six weeks, and McGarrett is at a loss to understand the motives for these crimes. However, a newspaper may hold the answer.
    • 3. Charter For Death

      25 Sep '73
      When a large amount of diseased rats are found on a boat with all the crew dead, Five-O must contend with an outbreak of bubonic plague.
    • 4. One Big Happy Family

      02 Oct '73
      A family of white-trash mass killers arrive on Hawaii after wreaking a trail of devastation on the mainland, and McGarrett must catch them before they can do more damage on the islands.
    • 5. The Sunday Torch

      09 Oct '73
      Buildings are being set on fire on Sundays, and a known firebug is the top suspect. However, McGarrett begins to think that others may be responsible.
    • 6. Murder Is A Taxing Affair

      16 Oct '73
      A corrupt federal agent who is tracking a man under indictment for tax evasion kills him for the $600,000 he is carrying, and then loses the money.
    • 7. Tricks Are Not Treats

      23 Oct '73
      The killing of an important pimp threatens an all out war between two competing vice empires.
    • 8. Why Wait Till Uncle Kevin Dies?

      30 Oct '73
      A string of five murders of wealthy men leads McGarrett to a crooked inheritance scheme.
    • 9. Flash Of Color, Flash Of Death

      06 Nov '73
      A glamorous woman sets up an opal smuggler so her accomplices can rob both the smuggler and a jewellery store at the same time.
    • 10. A Bullet For El Diablo

      13 Nov '73
      A dictator must evade a female assassin sent to kill him, one that looks just like his own daughter.
    • 11. The Finishing Touch

      20 Nov '73
      McGarrett brings in a document expert to help him crack a case involving forged government securities, but he soon becomes suspicious of the expert as well…
    • 12. Anybody Can Build A Bomb

      27 Nov '73
      A nuclear scientist becomes involved in an extortion plot when a gang threaten to explode a small nuclear weapon somewhere in Honolulu.
    • 13. Try To Die On Time

      04 Dec '73
      Harry Foxton, a gambler, is himself the subject of huge bets over what hour he will die. McGarrett must work out the gambler's complex relationships to get to the bottom of this case.
    • 14. The $100,000 Nickel

      11 Dec '73
      A thief known for using sleight-of-hand is hired to steal a valuable nickel, but the coin ends up on a journey across many miles and through many hands.
    • 15. The Flip Side Is Death

      18 Dec '73
      A mock military emergency leaves a bank open for a robbery, and Five-O must travel to the opposite side of Oahu to find out more in their investigation.
    • 16. The Banzai Pipeline

      01 Jan '74
      An exciting surf beach is the location for a filming session, where a man catches a killer on camera.
    • 17. One Born Every Minute

      08 Jan '74
      A pair of crooks team up with local criminals and use phony diamonds as bait to prey on wealthy male tourists. McGarrett and Five-O must shut off this sinister racket.
    • 18. Secret Witness

      15 Jan '74
      A young man witnesses a murder, and finds himself and his family are now the killer's targets.
    • 19. Death With Father

      22 Jan '74
      The son of a Federal Narcotics officer becomes involved in a heroin refining operation.
    • 20. Murder With A Golden Touch

      29 Jan '74
      When a man is found dead with gold dust on him, McGarrett and his team must investigate where the stolen gold came from and how it is being bought onto the market.
    • 21. Nightmare In Blue

      05 Feb '74
      A series of rapes and murders occur, and the main suspect seems to be a police officer...
    • 22. Mother's Deadly Helper

      12 Feb '74
      A right-wing crackpot, Cord McKenzie, metes out ‘justice' to people who have been found innocent on technicalities or released early. He thinks he is helping the police, but McGarrett thinks otherwise.
    • 23. Killer At Sea

      19 Feb '74
      While investigating a robbery and kidnapping, the trail of clues leads McGarrett and the team to an ocean liner with a deadly passenger.
    • 24. 30,000 Rooms And I Have The Key

      26 Feb '74
      An aging jewel thief steals from rooms at Waikiki hotels, and taunts Five-O by leaving a trail of clues behind.