- 1
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.
- 2
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.
- 3
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.
- 4
Moonrock
Lockwood tracks down the man who stole a football-sized diamond brought back from the moon.
- 5
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.
- 6
Operation Iceman
Bianco has to prevent the assassination of a diplomat by a hitman known only as ""The Iceman"".
- 7
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.
- 8
In Search of Midas
Grover sets out to find recluse billionaire J.R. Devlin, who has not been seen in public for 18 months.
- 9
The Adonis File
Lockwood investigates threats against a talk-show host who is running for the U.S. Senate.
- 10
Flight to Nowhere
Lockwood asks for Probe Control's help in finding a friend who disappeared, along with his plane, in the desert.
- 11
The Gold Machine
Lockwood travels to San Francisco to find a gold mine that has been lost since the early 1900's.
- 12
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.
- 13
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.
- 14
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.
- 15
Numbered for Death
Grover travels to Switzerland to investigate the black-mailing of people who have secret numbered accounts in a Swiss Bank.
- 16
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.
- 17
The Clayton Lewis Document
Bianco goes to Washington to prevent the blackmailing of a friend who is the key to an upcoming international summit.
- 18
Goddess of Destruction
Grover has to find a stolen statue, which may signal the revival of an ancient criminal order.
- 19
The Mattson Papers
Bianco looks for a missing comptroller, whose journals could bring down an organized crime ring.
- 20
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.
- 21
Ends of the Earth
Bianco's investigation of missing criminals leads him to a travel agency whose speciality is helping wanted criminals escape.
- 22
Suffer My Child
Lockwood looks for the daughter of a financial wizard who was kiddnaped...or who arranged her own kiddnapping.
- 23
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.