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23 Episodes 1972 - 1973
Episode 1
Wed, Sep 13, 197260 mins
Lockwood goes undercover to investigate the disappearance of a State Department official. Posing as a U.N official he discovers a blackmail ring that preys on officials with gambling addictions in order to gain classified government papers.

Episode 2
Wed, Sep 20, 197260 mins
Nick Bianco searches for a missing Probe agent who was investigating a counterfeit ring that has been printing flawless one hundred dollar bills. He must find the source of the counterfeit bills before it undermines the economy.

Episode 3
Wed, Sep 27, 197260 mins
Backup Probe C.R. Grover, with the help of daughter Lelia Mowen, must stop mad scientist and Probe Control designer Dr. Carl Mowen, and prevent Probe Control from being destroyed.
Episode 4
Wed, Oct 4, 197260 mins
A U.S. mission to the moon has brought back a moon rock consisting of what's believed to be raw diamonds. World Securities had been entrusted with the moon rock but it has been lost. Lockwood is dispatched to get it back. But the mission won't be easy. Among other things, Lockwood will need to charter a 747.
Episode 5
Wed, Oct 11, 197260 mins
Probe agent Peter Kubica drowns scuba diving in Dubrovnik. Bianco has the body exhumed which isn't Kubica. Bianco follows the trail to Kubica's mistress in Paris.

Episode 6
Thu, Oct 26, 197260 mins
The Iceman assassin murders a Probe agent, then threatens a gangster turned ambassador. Bianco forms a team with three other Probe agents to stop the Iceman.

Episode 7
Wed, Nov 1, 197260 mins
Lockwood is sent to recover an East German defector who has invented a bullet with a poison jacket. In the process Lockwood is shot and must find the antidote.
Episode 8
Wed, Nov 8, 197260 mins
C.R. Grover teams with gossip columnist Kate Dawes to verify a rich recluse is still alive who hasn't been seen for eighteen months.
Episode 9
Wed, Nov 15, 197260 mins
The executive secretary to a talk show host is kidnapped. Lockwood is called in to act as intermediary to the kidnappers.
Episode 10
Wed, Nov 22, 197260 mins
A friend of Lockwood who runs an air cargo business disappears on a flight in the desert near Reno, Nevada.
Episode 11
Wed, Dec 20, 197260 mins
Lockwood investigates the location of a lost gold mine for Eurasian Jade & Metal. Along the way he finds deceit, fraud, and a foreign power that wants the mine for its uranium deposits rather than its gold.
Episode 12
Wed, Jan 3, 197360 mins
Bianco investigates the disappearance of an old flame. But Bianco soon discovers that it is a ruse by her and her current fiancé to capture him and transport him to an island in the Mediterranean where he must fight for his life.
Episode 13
Wed, Jan 10, 197360 mins
C.R. Grover has 4 days to locate a missing heiress before a trust in which she is to inherit will revert back to her father. His mission is complicated by family members who are out to kill the heiress to gain control of the family fortune.

Episode 14
Wed, Jan 24, 197360 mins
Nick Bianco races against time as he tries to help a fellow Probe agent find his daughter who is being held hostage by thugs who will kill her in order to protect their kingpin boss.
Episode 15
Wed, Jan 31, 197360 mins
Agent Grover must find a blackmailer who has gained access to secret and sensitive account information of Swiss bank account holders before it could possibly cause a worldwide panic and economic depression.
Episode 16
Wed, Feb 7, 197360 mins
A researcher on a sea dive is infected with a deadly virus while on a scientific expedition at the bottom of the ocean. After the researcher escapes quarantine Lockwood must find him before he can infect others and start a lethal epidemic.
Episode 17
Wed, Feb 14, 197360 mins
Bianco must help a presidential aide who is being blackmailed into divulging details of a disarmament agreement before it even happens. But as the investigation progresses the aide decides that he wants Bianco off the case.
Episode 18
Wed, Feb 21, 197360 mins
Grover believes that an ancient cult called The Thugs of India is behind the murder of an aging Indian art collector and the theft of one of his statuettes. To find the truth he must travel to India and face a multitude of grave dangers.
Episode 19
Wed, Feb 28, 197360 mins
Nick Bianco must find Hawley Mattson, a former pro basketball player who has incriminating evidence against his current employer and the syndicate before they can silence him and his threat to their organization, but a small time Chief of Police with a big ego stands in his way.

Episode 20
Wed, Mar 14, 197360 mins
Agent Grover is called upon to find Cameron after he is kidnapped by a former soldier who was under his command during the Korean War and is bent on revenge for his capture and torture by the North Koreans- which he blames Cameron for.
Episode 21
Wed, Mar 21, 197360 mins
Nick Bianco investigates The Ends of the Earth travel agency when he believes they are connected to a series of mysterious disappearances of people who have something to hide.

Episode 22
Wed, Mar 28, 197360 mins
Lockwood is assigned to find the daughter of a very wealthy and highly influential Wall Street figure after she is kidnapped on her 21st birthday-and before any harm can come to her.
Episode 23
Wed, Apr 11, 197360 mins
On behalf of World Securities, Grover searches for a French revolutionist who has mysteriously disappeared from exile. The man who wants him found is also the political leader who placed him in exile along with his own daughter.