Episode 1
Aired Oct 15, 1959
The Empty Chair
Al Capone's imprisonment sets off a war in the underworld for his former position.
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Episode 2
Aired Oct 22, 1959
Ma Barker and Her Boys
The agents attack Ma Barker (Claire Trevor) and her sons at a Florida resort cottage to stop their crime spree.
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Episode 3
Aired Oct 29, 1959
The Jake Lingle Killing
An ex-convict private detective (Jack Lord) decides to earn a $25,000 reward for the killer of a crooked journalist.
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Episode 4
Aired Nov 5, 1959
The George `Bugs' Moran Story
Bugs Moran (Lloyd Nolan) kidnaps the son of a union leader (Jack Warden) to control the outcome of the group's election.
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Episode 5
Aired Nov 12, 1959
Ain't We Got Fun
A terrified comedian (Cameron Mitchell) gets caught between Ness and a mobster (Ted de Corsia) taking over nightclubs.
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Episode 6
Aired Nov 19, 1959
Vincent `Mad Dog' Coll Story
Ness must alter plans after his first attempt to nab Mad Dog Coll (Clu Gulager) and Dutch Schultz fails.
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Episode 7
Aired Nov 26, 1959
Mexican Stakeout
Ness and an aide search Mexico for the key witness in a two-year-old case; guest Vince Edwards.
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Episode 8
Aired Dec 3, 1959
The Artichoke King
Ness and the squad work to stop a gang moving into New York's wholesale produce business; guest Jack Weston.
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Episode 9
Aired Dec 10, 1959
Tri-State Gang
Ness and his squad set out to nab a hijacker and kidnapper (William Bendix); guests include Gavin McLeod and Alan Hale Jr.
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Episode 10
Aired Dec 17, 1959
The Dutch Schultz Story
Ness turns down a bribe offered in exchange for evidence he has against Dutch Schultz (Lawrence Dobkin) in a tax case.
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Episode 11
Aired Dec 24, 1959
You Can't Pick a Number
A numbers collector is slain not long after Ness tries to get him to inform on a mob boss; guest Darryl Hickman.
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Episode 12
Aired Dec 31, 1959
Underground Railway
The trail of an escaped convict (Cliff Robertson) becomes obscure after the man undergoes facial surgery.
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Episode 13
Aired Jan 7, 1960
Syndicate Sanctuary
An agent infiltrates to investigate the supposedly accidental death of a mayoral candidate; guest Jack Elam.
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Episode 14
Aired Jan 14, 1960
Noise of Death
After a restaurateur's murder, Ness hints to a local crime boss that a mob subordinate committed the crime.
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Episode 15
Aired Jan 14, 1960
Star Witness
Threatened when he tries to retire, a mob bookkeeper (Jim Backus) informs on his employers.
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Episode 16
Aired Jan 28, 1960
The St. Louis Story
Ness and his agents respond after a gang from St. Louis robs a U.S. mail truck; guests David Brian, Leo Gordon.
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Episode 17
Aired Feb 4, 1960
One-Armed Bandit
Gangsters dealing in slot machines force an ex-convict (Harry Guardino) to work for them; guest Larry Gates.
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Episode 18
Aired Feb 11, 1960
Little Egypt
New agent Cam Allison (Anthony George) goes under cover to investigate the murders of a sheriff and major.
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Episode 19
Aired Feb 18, 1960
The Big Squeeze
Ness pursues a bank robber (Dan O'Herlihy) to trick the clever man into a fatal mistake; guest John Hoyt.
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Episode 20
Aired Feb 25, 1960
Unhired Assassin
The agents work to foil the assassination of Chicago's mayor (Robert Middleton); guest Lee Van Cleef.
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Episode 21
Aired Mar 3, 1960
Unhired Assassin
A psychopath intent on murdering the president-elect may accomplish what hired assassins did not.
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Episode 22
Aired Mar 10, 1960
The White Slavers
Ness cuts the supply lines to mobsters dealing in white slavery, forcing the entire operation to Mexico.
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Episode 23
Aired Mar 24, 1960
3,000 Suspects
After the murder of a prisoner (Peter Leeds) who threatened to talk, Ness convinces another inmate to inform.
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Episode 24
Aired Mar 31, 1960
The Doreen Maney Story
A probe of armored-car thefts leads Ness to lovers (Anne Francis, Christopher Dark) who are partners in crime.
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Episode 25
Aired Apr 7, 1960
Portrait of a Thief
A partner in a pharmaceutical firm makes a drunken confession to undercover Rossi.
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Episode 26
Aired Apr 14, 1960
The Underworld Bank
An affair between a banker's niece and an angry customer helps Ness' case against a financier involved with the mob.
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Episode 27
Aired Apr 21, 1960
Head of Fire, Feet of Clay
Ness is caught unaware when an old schoolmate uses him as bait in a blackmail; guest Jack Warden.
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Episode 28
Aired Apr 28, 1960
The Frank Nitti Story
Ness uses an old warrant against a man working for Nitti to break the mobster's extortion racket.
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