Matt's love, Elizabeth (Kerrie Keane), returns, while a murderer (Chuck McCann) uses Houston to publicize his deeds.
A mob assassin holds Matt, Roy, Hoyt and C.J. in a restaurant while he waits to ambush a police captain.
Matt falls for an heiress (Kerrie Keane) whose brother intends to use the family fortune to support Irish terrorists.
To flush the killer after his old CIA squad, Roy pretends an attempt to kill him was successful; guest Celeste Holm.
A frightened stewardess (Shari Belafonte-Harper) comes to Matt after her friend (Ellen Bry) photographs a secret-society execution.
Matt receives unexpected help in a murder/extortion case from a fellow detective, the sister of one of the victims.
Matt investigates the murders of his college roommate's fiancee and another imminent bride.
C.J., Roy and Matt investigate an embezzlement scheme in a once-bustling oil town.
Matt rushes to find the girlfriend of his distraught cousin who threatens to leap from a rooftop.
Matt is convinced that his one-time kidnapper/tormentor is the one now holding another.
An actress (Kay Lenz) is certain she saw her baby son, kidnapped a year earlier, with another woman in a park.
Matt must convince Hoyt a sporting-goods tycoon (Stuart Whitman) hunted two athletes like game animals.
Matt's old high-school classmate (Jenny Sherman) involves him in a plot concerning an ex-Army officer and smuggled Vietnamese gems.
An international assassin (Judson Scott) ignores orders to kill a Middle Eastern leader and seeks revenge on Matt instead.
Matt can't accept the perfect alibi of his chief suspect (James Read) in the deaths of two models, until he learns a family secret.
Andy (Max Baer Jr.) appears to have betrayed Matt and the rest to the Cambodian warlord holding Matt's cousin captive.
Matt, Roy and Too Mean Malone team with an arrogant mercenary (Max Baer Jr.) to find Matt's cousin, a POW in Cambodia.
With amnesia after an auto accident, C.J. finds herself in jail with inmates working for a prostitution ring; guest Jamie Rose.
Matt must free a girl from a religious commune run by an evangelist who plans to take her inheritance and then kill her.
Matt believes C.J.'s new love (Simon MacCorkindale), a rising TV newsman, is involved in a kidnapping captured on film.
Matt risks everything -- even his own life -- to find Hoyt's young daughter, the prisoner of a child molester (James Olson).
Matt's uncle (Buddy Ebsen), an ex-spy, helps Matt prove he is a victim of mind control and establish his innocence of murder.
Matt awakens in his apartment after a month-long absence, remembering nothing and finding himself accused of murder.
A petty thief (Stuart Pankin) asks Matt's help to return $3 million he unwittingly stole from the mob; guest Jo Ann Pflug.
When C.J. rejects a disturbed admirer's (Marjoe Gortner) advances, he kills her boyfriend and tries to murder her.
A psychotic hospital orderly (Lou Ferrigno) who killed five men decides to make Matt's ailing father his next victim.
A man who murdered eight women, including Matt's fiancee, sends a clipping of his latest victim to Houston.
A psychiatrist's secretary who discovers her boss's blackmail dies while leaving a message on Matt's answering machine.
Retiree Novelli returns from Hawaii, charged with robbing a police vault of $2 million in cocaine.
After Matt learns the heads of a convalescent hospital murdered a nurse, he is shot.
A former detective pursues a concert pianist (George Chakiris) who may be a serial strangler.
Attorney F. Lee Bailey decides to defend a man who has confessed to killing four teenagers, then leaves C.J. to handle the details.
An international assassin (Judson Scott) kills a Navajo girl in order to use her apartment to have a clear shot at a victim.
Skeptical Matt becomes the target of a self-proclaimed psychic (Robert Walker) working with a kidnapping ring; guest Peter Hurkos.
Matt must find one of a dead forger's original paintings, which is attracting an undue amount of interest from art dealers.
A teenage prostitute dies when she tries to stop a child-prostitution ring from snaring her younger sister; guest Ken Olandt.
The murder of C.J.'s college roommate clues Matt the woman was involved with Chinese drug-smugglers.
An ex-newsman investigating a crooked union leader calls Matt for help just before becoming the victim of a bomb planted in his car.
Dying from wounds from mobsters, one of Matt's employees begs him to protect a girl called Marilyn.
A mother begs Matt to find her diabetic son, taken to Mexico because he witnessed a rapist's crime.
Matt searches for a killer who has already slain three of twelve top centerfold models; guests Joe Penny, Patty (Apollonia) Kotero.
After Matt's one-night affair with an obsessed woman, she ransacks his home and murders.
C.J. convinces Matt to help clear a former police officer imprisoned for a murder he claims he did not commit; guest Don Johnson.
Matt encounters a land scam and learns the truth about his past when he goes home to Texas; guests Rebecca Holden, Lloyd Bridges.
A famous criminal (Martin Landau) holds C.J. hostage to free his terrorist son, held on eyewitness Matt's testimony.
Matt finds a real crime at a mystery-writers' convention when one (Terry Moore) of the novelists is murdered; guest Markie Post.
Matt is charged in the stabbing death of a jockey (Lynn-Holly Johnson), then becomes a murder target himself.
A code book and a cryptic message provide Matt his only clues to preventing the predicted deaths of thousands; guest Tim O'Connor.
Matt works to clear a nightclub-singer friend (Robert Goulet), who believes he killed during alcohol-induced blackouts.
A noted gossip columnist is murdered after threatening to expose an exclusive bordello's patrons.
After costumed killers force her off the road, C.J. learns all her college sorority sisters are also in danger.
Matt must verify or disprove an alleged UFO encounter during which a scientist suffered a fatal heart attack.
From his padded cell, an institutionalized madman (Chuck Connors) sends thugs to attack Matt's friends and finally Houston himself.
Fake telegrams summon five famous people to Matt's penthouse for a Sunday meeting with murder on the agenda; guest Stella Stevens.
Matt's secret childhood love fears someone may die at a yacht-club party, then snakebite fells the commodore.
The four ex-wives of a wealthy cat-food manufacturer mauled to death by a pet tiger hire Matt to solve the crime; guest Sonny Bono.
An upcoming fight appears rigged when murder uncovers the champion's (Dorian Harewood) physical problems and his wife's alcoholism.
Matt tries to discover who hired a killer to fell a research scientist during a party; guest Cameron Mitchell.
A robot designed by an electronics genius (David Cassidy) murders the brother (Troy Donahue) of its creator; guest Monte Markham.
An old friend (Hugh O'Brian) calls in Matt when kidnappers snatch a seriously ill Arab prince during a jet flight to Los Angeles.
Matt steps in when the mother of a Malibu lifeguard fears her daughter will be the next victim of a series of fatal shark attacks.
A restaurant critic's (James Coco) dinner is disrupted when a gelatin mold brought to his table contains his partner's severed head.
Matt enters the film world to investigate after a drink from a faded star's (Janet Leigh) glass instantly kills her new leading man.
A pro quarterback (John Beck), Matt's college teammate, is blackmailed by a man who says he has proof the player killed his coach.
Houston's old flame (Cristina Ferrare), a model, hires him when she is accused of killing her employer, a famous fashion designer.
A disreputable tabloid's publisher is nearly killed after telling his four worst enemies he plans to run a front-page story on them.