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Season 1

  • S01E01 The Murrow Disappearance

    • September 13, 1972
    • NBC

    Series Premiere. Lockwood investigates the disappearance of a State Department Official, which leads him to a private Country Club where the key to the operation may be a card game.

  • S01E02 One of Our Probes is Missing

    • September 20, 1972
    • NBC

    Tony Franciosa's first episode. Omega Probe Agent Nick Bianco travels to England to find a missing Probe agent who was investigating perfect counterfeit $100 bills.

  • S01E03 Short Circuit

    • September 27, 1972
    • NBC

    Doug McClure's first episode. Stand-by Probe Agent C. R. Grover races against the clock to prevent an electronics expert from destroying Probe Control with a Mega-Trans Package...a device that makes anything carrying electricity self-destruct.

  • S01E04 Moonrock

    • October 4, 1972
    • NBC

    Lockwood tracks down the man who stole a football-sized diamond brought back from the moon.

  • S01E05 Live Men Tell Tales

    • October 11, 1972
    • NBC

    Bianco travels to the Adriatic to determine if a missing Probe Agent was kidnapped, killed or deserting his job and his wife.

  • S01E06 Operation Iceman

    • October 25, 1972
    • NBC

    Bianco has to prevent the assassination of a diplomat by a hitman known only as "The Iceman".

  • S01E07 The Bullet

    • November 1, 1972
    • NBC

    Lockwood travels to an iron curtain country to bring out the scientist who invented a new deadly toxin and has the only formula for the cure. In the process Lockwood becomes infected by the toxin.

  • S01E08 In Search of Midas

    • November 8, 1972
    • NBC

    Grover sets out to find recluse billionaire J.R. Devlin, who has not been seen in public for 18 months.

  • S01E09 The Adonis File

    • November 15, 1972
    • NBC

    Lockwood investigates threats against a talk-show host who is running for the U.S. Senate.

  • S01E10 Flight to Nowhere

    • November 22, 1972
    • NBC

    Lockwood asks for Probe Control's help in finding a friend who disappeared, along with his plane, in the desert.

  • S01E11 The Gold Machine

    • December 20, 1972
    • NBC

    Lockwood travels to San Francisco to find a gold mine that has been lost since the early 1900's.

  • S01E12 Let Us Prey

    • January 3, 1973
    • NBC

    Bianco investigates the disappearance of a woman he was once involved with...only to find the whole thing was a trap set up by the woman's jealous fiance.

  • S01E13 A Honeymoon to Kill

    • January 10, 1973
    • NBC

    Carla Lucchese, daughter of a billionaire industrialist, is shot at on her wedding day and promptly disappears. Her anxious husband hires Grover to track down his wife; however it soon emerges that other members of the Lucchese family are also on the trail-and will stop at nothing to prevent Carla from coming into her inheritance.

  • S01E14 The Twenty-Four Carat Hit

    • January 24, 1973
    • NBC

    First episode with the new set and slightly revised format. Bianco tries to help a fellow Probe agent, who is injured and is out on his own to find the people who killed his wife and kidnapped his daughter.

  • S01E15 Numbered for Death

    • January 31, 1973
    • NBC

    Grover travels to Switzerland to investigate the black-mailing of people who have secret numbered accounts in a Swiss Bank.

  • S01E16 Countdown to Panic

    • February 7, 1973
    • NBC

    Lockwood has to track down a friend who was infected by a mysterious and highly contagious disease following a deep sea dive.

  • S01E17 The Clayton Lewis Document

    • February 14, 1973
    • NBC

    Bianco goes to Washington to prevent the blackmailing of a friend who is the key to an upcoming international summit.

  • S01E18 Goddess of Destruction

    • February 21, 1973
    • NBC

    Grover has to find a stolen statue, which may signal the revival of an ancient criminal order.

  • S01E19 The Mattson Papers

    • February 28, 1973
    • NBC

    Bianco looks for a missing comptroller, whose journals could bring down an organized crime ring.

  • S01E20 Moment of Madness

    • March 14, 1973
    • NBC

    Grover looks for Cameron, who was kidnapped from Probe Control by an old army trainee, who blames Cameron for his capture and torture during the Korean War.

  • S01E21 Ends of the Earth

    • March 21, 1973
    • NBC

    Bianco's investigation of missing criminals leads him to a travel agency whose speciality is helping wanted criminals escape.

  • S01E22 Suffer My Child

    • March 28, 1973
    • NBC

    Lockwood looks for the daughter of a financial wizard who was kiddnaped...or who arranged her own kiddnapping.

  • S01E23 The Packagers

    • April 11, 1973
    • NBC

    Grover's search for a missing officer previously involved in a failed military coup carries him into the heart of a group planning a full-scale revolution.

Additional Specials

  • SPECIAL 0x1 Probe

    • February 21, 1972
    • NBC

    Two-hour series pilot. Probe One Agent Hugh Lockwood is assigned to find a set of diamonds that have been missing since World War II.