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E1 The Murrow Disappearance
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.
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E2 One of Our Probes Is Missing
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.
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E3 Short Circuit
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.
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E4 Moonrock
Lockwood tracks down the man who stole a football-sized diamond brought back from the moon.
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E5 Live Men Tell Tales
Bianco travels to the Adriatic to determine if a missing Probe Agent was kidnapped, killed or deserting his job and his wife.
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E6 Operation Iceman
Bianco has to prevent the assassination of a diplomat by a hitman known only as ""The Iceman"".
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E7 The Bullet
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.
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E8 In Search of Midas
Grover sets out to find recluse billionaire J.R. Devlin, who has not been seen in public for 18 months.
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E9 The Adonis File
Lockwood investigates threats against a talk-show host who is running for the U.S. Senate.
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E10 Flight to Nowhere
Lockwood asks for Probe Control's help in finding a friend who disappeared, along with his plane, in the desert.
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E11 The Gold Machine
Lockwood travels to San Francisco to find a gold mine that has been lost since the early 1900's.
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E12 Let Us Prey
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.
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E13 A Honeymoon to Kill
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.
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E14 The Twenty-Four Carat Hit
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.
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E15 Numbered for Death
Grover travels to Switzerland to investigate the black-mailing of people who have secret numbered accounts in a Swiss Bank.
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E16 Countdown to Panic
Lockwood has to track down a friend who was infected by a mysterious and highly contagious disease following a deep sea dive.
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E17 The Clayton Lewis Document
Bianco goes to Washington to prevent the blackmailing of a friend who is the key to an upcoming international summit.
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E18 Goddess of Destruction
Grover has to find a stolen statue, which may signal the revival of an ancient criminal order.
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E19 The Mattson Papers
Bianco looks for a missing comptroller, whose journals could bring down an organized crime ring.
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E20 Moment of Madness
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.
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E21 Ends of the Earth
Bianco's investigation of missing criminals leads him to a travel agency whose speciality is helping wanted criminals escape.
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E22 Suffer My Child
Lockwood looks for the daughter of a financial wizard who was kiddnaped...or who arranged her own kiddnapping.
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E23 The Packagers
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.