Pepper is unaware her uncle (Keenan Wynn) has become involved in a cattle-rustling scheme in order to pay his wife's medical bills.
Styles poses as a chauffeur to capture terrorists who have kidnapped an industrialist's wife; guests Tim O'Connor, Gary Collins.
The trail of stolen, unregistered securites leads Crowley to a woman with an arrest record for grand theft; guest Craig Stevens.
A trio of murders on the waterfront leads Pepper and Crowley to piracy and drug smuggling; guests Michael Parks, Forrest Tucker.
Pepper and Crowley go under cover to stop a high-school gang dealing in extortion and rape; guests Mare Winningham, Debra Winger.
Pepper poses as a model to investigate the murder of a modeling-agency head; guests Julie Adams, Dennis Cole, Morgan Fairchild.
A Polish neighborhood becomes the scene of an assault on a rookie policeman and the murder of a student; guest Theodore Bikel.
Legal technicalities hamper efforts to find evidence against a murder suspect; guests Juliet Mills, Barbara McNair, Edward Winter.
A murder and kidnapping in a Korean neighborhood has international repercussions; guests James Shigeta, Philip Ahn, Richard Narita.
Pepper masquerades as a college student to trap a university professor (Rossano Brazzi) suspected of heading a white-slavery ring.
Crowley neglects the investigation of a race driver's death when his terminally ill former wife (Bibi Besch) arrives for a visit.
Pepper tries to prevent a ruthless former high-school classmate (Eartha Kitt) from using underhanded means to win a city election.
Hoods abduct Pepper, believing her to be the blind wife of an accountant who uncovered mob payoffs; guests Tab Hunter, Sandra Dee.
An ambitious detective becomes implicated in an extortion racket; guests Paul Williams, Foster Brooks, Louis Nye, Eddie Egan.
An unidentified criminal seeking vengeance terrorizes and threatens Pepper; guests Richard Schaal, Nehemiah Persoff, Danny DeVito.
Pepper tracks a thief dressed as Santa Claus who is robbing banks to buy holiday gifts for poor, elderly people; guest Lloyd Nolan.
A Greek immigrant family being systematically murdered in a bizarre manner refuses to help police; guests Jo Van Fleet, A Martinez.
Crowley and Pepper pursue a man suspected of raping and murdering four female hitchhikers; guests Rich Little, Audrey Landers.
Pepper, posing as a convict, enters prison to break up a drug-smuggling ring; guests Fernando Lamas, Henry Darrow, Jayne Kennedy.
Crowley and Pepper go under cover as drug dealers to investigate college-student deaths due to pill overdoses; guest Kerry Sherman.
Pepper stubbornly resists when the FBI insists on taking over a case of weapons smuggling; guests Nipsey Russell, Monte Markham.
The investigation of a wife-beating leads Pepper and Crowley to a woman's unsolved murder; guests Dee Wallace, Dr. Joyce Brothers.
A newspaperman's murder leads Pepper and Crowley to uncover corruption in city government; guest Pernell Roberts, Ike Eisenmann.
Crowley plots to trap the slick con artist (William Windom) who swindled his uncle out of $18,000; guests Cheryl Ladd, Vito Scotti.
Pepper poses as an actress to find a pornographic-film actress's murderers, who are also sought by the victim's vengeful brother.
A policeman (Eugene Roche) encounters a bomber while attempting to extradite the murderers of his partner; guest Diana Muldaur.
The undercover team works to uncover a loan-sharking operation that kills defaulted customers; guests Charles Siebert, Jack Jones.
Pepper rekindles an old romance with a test pilot (Frank Converse) while she and Crowley investigate a series of armed robberies.
Styles uncovers a scandal and a drug ring after an informant kills his temporary partner (Rosalind Cash); guest Robert Loggia.
Pepper assumes the identity of an injured rock singer to flush out the killers of a record-company president; guest Ruth Roman.
Crowley and Pepper investigate two motorcycle-riding bank robbers who quickly vanish after each crime; guest Mariette Hartley.
A special task force is assembled to catch a sniper who has been attacking both police officers and young residents in the barrio.
Pepper hunts a killer suffering from a multiple-personality disorder who has been strangling middle-aged women; guest Lisa Hartman.
Crowley and Pepper attempt to protect the 12-year-old daughter (Kim Richards) of a man hunted by the mob; guest Lawrence Pressman.
A group of radicals demanding freedom for a former leader take Pepper and others hostage; guests Sharon Farrell, France Nuyen.
Pepper and Crowley investigate two rapes, the first one never reported to police, on a nearby college campus; guest Bruce Davison.
Pepper unknowingly becomes romantically involved with an undercover officer (Alex Cord) while investigating a former crime kingpin.
Crowley and Pepper pose as a wealthy, childless couple hoping to adopt an infant in order to crack a baby-selling ring in Mexico.
A series of murders of teens leads police to a foundation using brainwashing on young runaways; guests James Olson, William Smith.
A dedicated officer (Anne Francis) from the Abused Child Division provides the clue to the capture of a major drug trafficker.
A policewoman is slain and her former roommate, also an officer, is assaulted; guests Meredith Baxter Birney, Edward James Olmos.
The murder of a rookie police officer leads Royster and Pepper to infiltrate a radical organization being investigated by the FBI.
A blackmailing madam (Dorothy Malone) is murdered and her brothel's client book disappears; guest Joan Collins.
Pepper poses as a call girl to learn who has slain four victims and stolen a madam's client book; guest Joan Collins.
An officer dies while pursuing Rick's (James Darren) attackers; guests James Darren, Charles Haid, Gerald McRaney.
A motorcycle task force investigates a runaway's apparent murder; guests James Darren, Charles Haid, Gerald McRaney.
A disturbed, violent woman (Donna Mills) kidnaps the baby she had relinquished for adoption; guest Brooke Bundy, Michael Ebert.
Royster falls in love with the woman he is assigned to protect, an emotionally-unbalanced girl involved in an extortion racket.
Pepper goes under cover as a Las Vegas chorus girl to catch the kidnappers of an elderly mobster's grandson; guest Robert Vaughn.
Pepper's informant (Paula Kelly) in a jewel-theft probe defects after her daughter is kidnapped; guest Edd Byrnes, Robert Loggia.
The father of a policeman's girlfriend tries to frame the officer for selling narcotics; guests Joseph Campanella, Brooke Adams.
Pepper poses as a pawnshop fence to catch thieves who have been robbing a wealthy neighborhood; guests Diane Baker, Joan Collins.
Two construction workers run into serious trouble when they take stolen gems hidden by a trio of thieves; guest Charles Frank.
Pepper and another officer (Paula Kelly) pose as prostitutes to expose a corrupt official and police sergeant; guest Bernie Casey.
A mute woman (Joanna Pettet) comes to the police for help in finding her missing sister, who had disappeared six weeks earlier.
A hired killer wants to retire, but his powerful mobster employer forces him to do one final job; guests Eddie Egan, Amy Irving.
Pepper must infiltrate a trio of con artists guilty of extortion and murder; guests Jeanette Nolan, Vonetta McGee, Erik Estrada.
Crowley is suspended after he is accused of killing a15-year-old boy during a scuffle with suspects; guest David Huddleston.
Pepper goes under cover as a reporter to investigate a rock musician's drug-overdose death; guests John Rubenstein, Frank Gorshin.
Three bank robbers who envision themselves as romantic outlaws take Pepper hostage during an unsuccessful theft; guest Don Stroud.
Pepper and Crowley enlist the aid of a former racing driver (Sam Elliott) to trap a drug-smuggling pilot; guest Geoffrey Lewis.
Pepper goes under cover as a parolee to investigate the shooting death of a parole officer; guests Peter Brown, Jonelle Allen.
Pepper poses as a model for an art class to get close to the murderer who shot a pair of workmen in cold blood; guest Kenneth Mars.
Pepper and Crowley investigate a ring of con artists preying on injured auto-accident victims; guests Ian McShane, Ida Lupino.
Pepper goes under cover as a model to prevent a syndicate takeover of the garment industry; guests Logan Ramsey, Harold J. Stone.
A psychopath is raping and stabbing young blondes, then dressing them in bridal veils; guests James Wainwright, Bruce Boxleitner.
Pepper poses as a murdered girl's sister to uncover a gang selling too-pure drugs; guests Michael Constantine, Christopher Stone.
Pepper works under cover in an illegal gambling casino to break a counterfeiting operation; guests Roddy McDowall, Robert Goulet.
A New York detective-turned-private-investigator (Don Meredith) comes to Los Angeles to deal with a mobster; guest Neville Brand.
Pepper's relationship with a disturbed artist (David Birney) and his wife compromises her undercover; guests Jack Soo, Eddie Egan.
Pepper and Crowley pose as international fences to trap a gang of jewel thieves; guests Michael Parks, James Keach, Val Bisoglio.
Crowley and Pepper investigate gangland killings committed in the name of an elderly, jailed mobster scheduled for release.
Pepper frantically searches for a frightened girl who has been discovered to be an informant; guests Patty Duke Astin, John Astin.
A leak in a marshal's office leads to murders of several protected witnesses; guests David Selby, Mark Harmon.
Pepper goes under cover in a nightclub to solve a murder involving a rich, influential family; guests Robert Vaughn, Joyce Jillson.
A group of veterans-turned-mercenaries switches from warfare to crime; guests Glenn Corbett, Ron Masak, Geoffrey Lewis, Bill Dana.
Pepper guards a determined political activist (Ruby Dee) whose life has been threatened; guest Warren Stevens.
A police lieutenant is blackmailed into tampering with a hit man's murder weapon; guests Ed Nelson, Rory Calhoun, Annette O'Toole.
Pepper uncovers murder and a black market dealing in children when she searches for a missing 5-year-old boy; guest Sharon Farrell.
Pepper and a rookie officer (Brenda Sykes) go under cover to bust a high-school drug ring; guests William Shatner, Smokey Robinson.
Pepper uncovers a blackmail scheme while searching for a murderer, but must still look further to find the killer; guest Bob Crane.
Pepper participates in a plan to transport a slain mobster's son, who is expected to testify against a killer; guest Monte Markham.
Pepper works under cover as a nurse in a retirement home discovered to have an abnormally high death rate among its residents.
Pepper goes under cover in a women's prison in an attempt to influence a mob leader's jailed girlfriend; guest Dr. Joyce Brothers.
An over-zealous young officer (Patrick Wayne), the son of a retired lieutenant, joins Pepper and Crowley in a drug investigation.
Crowley and Pepper investigate a pair of apparent rape incidents, with unexpected results; guests Hal Williams, Rhonda Fleming.
Pepper poses as a stewardess to infiltrate an international drug-smuggling operation using commercial airlines; guest Larry Hagman.
Crowley and Pepper pose as a patient and his wife to solve a series of hospital rape/murders; guests Don Stroud, William Katt.
A modeling school is found to be connected to white slavery and pornographic film-making; guests Kathleen Quinlan, Judy Canova.
A Las Vegas gambling chip provides a clue for Pepper and Crowley as they hunt a team of bank robbers also guilty of rape and murder.