فصل 1

بازیگران مهمان: James Anderson، Nelson Leigh، Ed Nelson، Doreen Lang

بازیگران مهمان: Alan Reed، Dennis Cross

Undercover agent Nick Stone infiltrates a gang of jewel thieves to find evidence that a man convicted of murder during a jewel robbery is actually innocent.

بازیگران مهمان: John Marley، Joan Tabor، L.Q. Jones، Walter Coy

The agent joins the gang of William Kane, their objective is to run the leader of the numbers racket out of town.

بازیگران مهمان: Karl Swenson، Ruta Lee، Jack Lambert، Robert Osterloh

The undercover agent joins in on a robbery.

بازیگران مهمان: Alan Baxter، John Qualen، Andrea King، ریچارد جاکل

بازیگران مهمان: George Mitchell، Bert Freed، Bek Nelson، Raymond Bailey

بازیگران مهمان: Murvyn Vye

بازیگران مهمان: John Pinette، Len Lesser، Gerald Mohr، Barbara Lang

بازیگران مهمان: James Westerfield، Vaughn Taylor، Ted de Corsia، Laurie Mitchell

After a boxer is killed for not throwing a fight as ordered, Nick goes undercover by taking over as manager for another young prizefighter, planning eventually to get him to turn evidence against the crooked promoter who ordered the killing.

بازیگران مهمان: Jesse White، Paul Burke، Tom Conway، Madlyn Rhue

بازیگران مهمان: Herb Vigran، Joe Turkel، Nestor Paiva، John Larch

Barney MacCready puts his train-robbery plan into action. First he kidnaps a detective, then he has two of his henchmen board the train one posing as the missing detective the other as his prisoner.

بازیگران مهمان: Jane Nigh، Jack Hogan، Mike Road، Dennis Patrick

بازیگران مهمان: Patricia Medina، Gene Roth، George Macready، Russ Conway

An undercover agent assumes the identity of a killer hired to rub out a murder witness. But the intended victim is hiding, and the first task is to smoke him out.

بازیگران مهمان: Frank Puglia، Stacy Harris، Richard Bakalyan، Barbara Bain

بازیگران مهمان: Al Hodge، Kent Taylor

Sam Keely and Jeff Stewart are a bit on the shady side. The undercover agent's strategy is to muscle in on their racket.

بازیگران مهمان: Patric Knowles، Peggy Knudsen، Sandy Kenyon، Joe Maross

Dan Hawley and David Johnson, witnesses to a murder committed by gangster Jimmy Farrow, are a target for Larry Maddox, a hired killer. After Maddox kills Hawley, police take Johnson's wife and children into protective custody. Johnson, fearing for his life, goes into hiding. Nick is put on the case.

بازیگران مهمان: Mike Kellin، Whit Bissell، Paul Langton

بازیگران مهمان: Brad Dexter، Madge Blake، Jack Elam، Regis Toomey

بازیگران مهمان: Vladimir Sokoloff، Celia Lovsky، Whitney Blake، Robert Patten

بازیگران مهمان: Donald Woods، Kem Dibbs، Jack Albertson، Jean Byron

بازیگران مهمان: Jerome Cowan، Carleton Young، Claire Kelly، Leigh Snowden

Mobster Sid Zero is a man who gets what he wants in business and women by using muscle, threats, and, if necessary, murder. Nick goes undercover to bring him down, and tries to get the help of the latest young model Zero has forced into becoming his mistress.

بازیگران مهمان: Willis Bouchey، John Dennis، Bruce Gordon، Olan Soule

A detective assigned to investigate a phoney health club is killed by one of the club owners. An undercover agent follows up, convincing the gangsters that he's a gambler on the run.

بازیگران مهمان: Kathleen Hughes، Elisha Cook Jr.، Mike Mazurki، Wally Cassell

Underworld leader Max Rommey wants Paul Anderson dead. To protect Anderson, the undercover agent becomes part of Rommey's gang.

بازیگران مهمان: Jimmy Lydon، Denise Darcel، Paul Birch، Douglas Fowley

بازیگران مهمان: Ron Hagerthy، Robert H. Harris، Kaye Elhardt

بازیگران مهمان: Eduardo Ciannelli

بازیگران مهمان: Art Baker، Stanley Clements، Leo Gordon، George Tobias

بازیگران مهمان: Philip Ahn

بازیگران مهمان: Harry Bellaver، Rebecca Welles، Billy Curtis

The first step for Nick in infiltrating Vince Baron's gang is foiling the attempted kidnapping of Baron's daughter. He must also contend with a young upstart who wants to push Baron out as leader. What Nick was not expecting was to fall for the daughter.

بازیگران مهمان: Emile Meyer، Barton MacLane، Joe De Santis، Robert Kino

بازیگران مهمان: Myron Healey، Ellen Corby، Neil Hamilton

بازیگران مهمان: Stanley Adams، Lewis Charles، Jesse White، Larry J. Blake

The undercover agent is assigned to break up a gambling ring that bets heavily on certain horses--and then makes sure they win by doping them.

بازیگران مهمان: Karen Steele، Joe Lo Presti

بازیگران مهمان: Berry Kroeger

The undercover agent is assigned to smash a dope ring that sells to Americans from a base in Mexico.

بازیگران مهمان: Paula Raymond، Marshall Reed، Henry Corden، Anthony Caruso

Nick is assigned to break up a gang headed by Steve Taylor. This particularly unsavory gang uses threats and violence to force small shopkeepers to pay for protection.

بازیگران مهمان: Ross Elliott، Steve Brodie، Connie Hines، Tom McKee

بازیگران مهمان: Terence de Marney، Doris Singleton، John Beradino