At Chief Inspector Teal's request, Templar takes advantage of his resemblance to a safecracker to infiltrate a ruthless criminal gang.

The Seaview battles an enemy sub for control of an activated superbomb.

Ralph poses as a human cannonball to investigate the disappearance of a Polish clown from a traveling circus.

An assignment to guard a priceless spiritual artifact uncovers a rift within the cult and a famous jewel thief's plan to steal it.

Val and company investigate a series of mysterious deaths at a hospital, leading them to a vengeful doctor.

An unidentified criminal seeking vengeance terrorizes and threatens Pepper; guests Richard Schaal, Nehemiah Persoff, Danny DeVito.

A sergeant (David Groh) poses as a fence to catch two jewel thieves suspected of murder. With George Hamilton.

Jailed for killing Dee Dee's suspected assailant, Rick must clear himself and discover who is killing key witnesses.

Mark and Hardcastle investigate a plot against the judge's nomination to the Supreme Court.

While searching for Romano's stolen sports car, Hooker encounters a Gypsy girl determined to exact vengeance for her uncle's murder.

Harry tries to help a deaf custodian (James Wainwright) accused of arson in the destruction of an old building; guest Gail Strickland.

The squad tracks an assassin hired to kill his employer (Martin Sheen); guest Harold Gould.

A rookie accidentally thwarts an assassin, who then takes Jill hostage and offers to trade her for the officer; guest John Ritter.

Keller unwittingly leaks information to his neighbor (Brenda Vaccaro), a professional killer; guest Barry Sullivan.

Nick and Cody work to rescue a lovely executive analyst held captive by an assassin responsible for the deaths of two of her co-workers.

While the Foxes vacation at a dude ranch, Harry pursues the ranch foreman's killer and an amorous divorcee pursues Harry.

Hired by a crime-syndicate chieftain, a jet-setter and his girlfriend (Zohra Lampert) scheme to discredit McGarrett.

A deceased defector's body must be recovered since it contains the only sample of a deadly nerve gas; guest Andrew Duggan.

Scientists capture the holographic image of a reincarnated woman.

The devil joins four friends in a game of poker.

The Connors visit a town connected to the destroyed factory; Weaver sends a man into town in search of a survivor.

The Connors visit a town connected to the destroyed factory; Weaver sends a man into town in search of a survivor.

A galactic tribunal tries the Robinson party for space crimes.

The aliens recognize a crystal embedded in an Indian headdress as part of a mechanism from a missing warship.

The Seaview crew faces a battle with plant monsters created by a scientist who is telepathically controlled by his brother.

On a skiing vacation, Ralph has a vision of a Soviet spy murdering a Czech agent's American contact.

Val's Uncle Ned gets caught in a scheme to sell land that belongs to Canadian Inuits.

A man left with amnesia after a beating comes to Val for help not knowing he has the key to a case of sabotage; Nikki lobbies to be mayor-for-a-day.

An ambitious detective becomes implicated in an extortion racket; guests Paul Williams, Foster Brooks, Louis Nye, Eddie Egan.

Two detectives (James McEachin, Louis Gossett Jr.) investigate robberies of parking-lot attendants and a woman's death.

McCall and Hunter wonder whether a recently discovered skeleton is that of an actress brutally murdered 41 years ago.

A society-party heist leads Milt and Mark to a sophisticated, crime-school founder (Robert Culp).

Stacy poses as a clerk to trap a murderer killing department-store patrons; guest Stephen Nichols.

Trench seeks the elusive woman who is Harry's alibi in the murder of a businessman, a crime for which Orwell has been carefully framed.

A deaf man (Desi Arnaz Jr.) saves a guard from a warehouse fire, then retreats under the glare of publicity; guest Kevin Dobson.

While investigating a department-store robbery, Chris and Terry's patrol car is stolen by teenage vandals; guest Roger E. Mosley.

Three revolutionaries, caught in the act of smuggling bombs, take Keller and others as hostages; guest Carl Franklin.

Nick and Cody work to rescue a lovely executive analyst held captive by an assassin responsible for the deaths of two of her co-workers.

While the Foxes vacation at a dude ranch, Harry pursues the ranch foreman's killer and an amorous divorcee pursues Harry.

Danny goes under cover in a neo-Nazi organization to investigate a violent hate campaign directed against a congressional hopeful.

The IMF uses a captured spy's wife (Antoinette Bower) to release information on a list of enemy agents from the man's memory.

An out-of-work trucker takes a job transporting condemned souls to hell.

A radio director opts for realistic sound effects; a 5-year-old boy gets powers from "Uncle Devil.".

Haunted by nightmares, Sarah enters a sleep clinic; when suspicious things start happening, Sarah thinks Skynet might be using the clinic for brain-mapping.

Haunted by nightmares, Sarah enters a sleep clinic; when suspicious things start happening, Sarah thinks Skynet might be using the clinic for brain-mapping.

A green-haired android exceeds her design because of the Robinsons' love.

Based on the H.G. Wells novel, aliens continue to invade Earth 35 years later.

Adm. Nelson goes on a rampage after exposure to radiation causes a return of the werewolf virus.

Ralph suspects a gigantic ocean creature is sinking yachts in the Devil's Triangle.

Wrestler-turned-actor Tyler Mane's life is in danger when a militia leader mistakes him for a federal agent.

Val faces off with a crooked DA looking to salvage his reputation by sending an innocent man back to prison.

Pepper tries to prevent a ruthless former high-school classmate (Eartha Kitt) from using underhanded means to win a city election.

A badly burned officer (Tony Lo Bianco) struggles to return to work. With John Astin.

A wealthy financier's murder forces Rick and Dee Dee to spend Halloween in the victim's mansion with a family of suspects.

An inmate's decision to forgo parole leads to a band of vigilante judges; guest Efrem Zimbalist Jr.

A talk-show host (Belinda Montgomery) helps Hooker and Stacy locate a killer whose victims have phoned her for advice.

Harry is fired after his investigation to clear a man in a coed's disappearance instead turns up evidence showing the woman was murdered.

Pete, suffering from a blood clot in his brain, checks out of the hospital to find a killer; guests Linda Marsh, Guy Stockwell.

A career officer takes $10,000 from a robbery scene in which his partner was slain, causing Ryker to start an undercover probe.

An investigation clears a man of murder, but also uncovers a crime from his past; guests Brock Peters, Dabney Coleman.

An escaped mental patient asks Cody, Nick and Boz to find her boyfriend's murderer -- who just might be the unbalanced client herself.

While the Foxes vacation at a dude ranch, Harry pursues the ranch foreman's killer and an amorous divorcee pursues Harry.

A mobster's plans to acquire a nightclub include murdering its singer (Yvonne Elliman); guest James Darren.

The team must convince an aging mobster (William Shatner) he is back in the 1930s to get evidence to close an unsolved case.

A dead woman's shoes help a shy saleswoman (Helen Mirren) avenge a murder.

Jeff Jones murdered by his best friend, refuses to die.

Cameron's glitch resurfaces, resulting in unfortunate consequences for everyone; Riley is afraid that Cameron has discovered her secret.

Cameron's glitch resurfaces, resulting in unfortunate consequences for everyone; Riley is afraid that Cameron has discovered her secret.

An alien wants John for a staged battle in which the loser's planet is invaded.

A subliminal message in a music tape makes a scientist create a vaccine for the aliens.

Crane is attacked by an amoeba-like creature that sends out bolts of electricity.

Ralph becomes magnetized while preventing a space-shuttle crash then contends with an alien stowaway.

Nikki sets out to keep her father's killer from bringing down the space shuttle in a fiery crash.

A successful comic's old college roommate claims to be the source of his popular character and sets out to be repaid.

Crowley neglects the investigation of a race driver's death when his terminally ill former wife (Bibi Besch) arrives for a visit.

An veteran officer (Claude Akins) won't admit his alcoholism. With Pat Crowley, Victor Mohica.

Hunter and McCall are invited to dinner by a multimillionaire who's convinced he's about to be murdered.

Two old classmates of the judge's die mysteriously at his reunion in Kansas.

A psychopathic killer uses his female captive to lure unsuspecting women into a deadly trap; guests Robert Hooks, Richard Hatch.

Just before dying, Quinlan manages to mail evidence to Harry that sets the detective on the trail of an underworld kingpin (Sal Mineo).

A paroled killer (Al Freeman Jr.) seeks revenge on Pete, who he blames for a savage beating; guest Leslie Uggams.

A disturbed former Green Beret takes action against Mike, whom he blames for his capture and imprisonment in Vietnamese POW camp.

A boy who saw the slaying of a mob chief is torn between telling Stone and joining the syndicate; guest Mike Evans.

A friend of Nick and Cody's hires the detectives to help find her father, who vanished in Mexico while looking for his kidnapped wife.

While the Foxes vacation at a dude ranch, Harry pursues the ranch foreman's killer and an amorous divorcee pursues Harry.

A singer's manager (James Darren) seeks a mob alliance to keep a local hood away from his client (Yvonne Elliman).

After eye surgery, Phelps poses as a blinded FBI agent to infiltrate a crime syndicate.

A boy meets the shadowy figure who lives under his bed.

A young man investigates a warehouse in another dimension.

Jesse has a flashback to a mission aboard her submarine, the Jimmy Carter; John and Sarah make plans to leave their house.

Jesse has a flashback to a mission aboard her submarine, the Jimmy Carter; John and Sarah make plans to leave their house.

A thief (Malachi Throne) seeking his long-lost princess kidnaps Will and Penny; guest Ted Cassidy.

In a hypnotic state, a woman (Cynthia Belliveau) recalls alien atrocities.

The Seaview is fired upon by a 200-year-old, square-rigged frigate.

A gangster pursues Ralph as he tries to prevent his colleagues from tossing their lives away on dreams.

A Marine Corps drill instructor enlists VIP to track down some bad seeds in a squad.

While protecting a key witness in a hit man's trial, Val and Tasha awake to find they have been asleep for 40 years.

Pepper masquerades as a college student to trap a university professor (Rossano Brazzi) suspected of heading a white-slavery ring.

An eager officer (David Birney) is finally noticed, not quite as he wanted. With Paul Burke.

Hunter's ex-partner (James McEachin) becomes a prime suspect in the murders of drug dealers Rick was investigating.

With Hardcastle presumed dead, McCormick goes into hiding with the daughter of one of the murdered alumni.

Hooker races to save Stacy's life when mobsters detect her undercover assignment as a massage-parlor employee; guest William Smith.

A frightened woman hires Harry to find her daughter (Maureen McCormick), a pregnant drug addict who blames herself for her lover's death.

A woman (Vikki Carr) discovers her fiance, a Vietnam War correspondent, is involved with drugs.

Ryker befriends the son of an arrested burglar, only to be taken hostage by the boy's escaped father; guest Matthew Laborteaux.

A bridegroom returning from a Hawaiian honeymoon secretly plots his wife's murder; guests Peter Haskell, Kim Richards.

Nick and Cody race to rescue Boz and their client, a diabetic stewardess, held hostage by a killer desperate to retrieve stolen diamonds.

While the Foxes vacation at a dude ranch, Harry pursues the ranch foreman's killer and an amorous divorcee pursues Harry.

A songwriter (Paul Williams) with a photo blackmails a racketeer and a local power broker.

Casey poses as an imported European bride as part of an IMF plan to infiltrate a top crime syndicate; guest James Gregory.

A boy and his aunt are terrified by a hitchhiker; sons search an abandoned factory for their missing father.

A nasty food-critic (Elliot Gould) reads a fortune cookie; an alien ambassador (John Glover) wants Earth destroyed.

Jesse's submarine mission in the future takes a fatal turn with unforeseen consequences in the present for John, Sarah and Derek; Cameron has become a liability and Sarah must deal with her; John makes a life-or-death decision.

Jesse's submarine mission in the future takes a fatal turn with unforeseen consequences in the present for John, Sarah and Derek; Cameron has become a liability and Sarah must deal with her; John makes a life-or-death decision.

Smith's cousin (Henry Jones) arrives and tries to do him in to inherit.

A linguist's (Cedric Smith) apparent solution to the alien code exites the team.

Gidget wants to buy an expensive camera for her father's birthday gift.

Gidget's latest job requires her to drive -- but she doesn't have a license.

Fish is jailed while protesting mandatory retirement.

Fish's arrest at a protest endangers the group home.

Bernie falls in love with a nurse; in "Love And The Hypnotist," Richard suffers from the after-effects of his stag party on his honeymoon.

Eddie starts dating a Roller Derby queen; Stan changes his mind after divorcing Penny.

A variety of stars perform comic sketches about love relationships.

Charles and Bertha try to discourage their daughter from marrying a 60-year-old man. "Love and the Christmas Punch" A delivery man makes a delivery on Christmas Eve.

Chuck invents a new love potion at the wrong time. "Love and the Intruder" Marvin borrows a company-owned apartment to entertain his girlfriend.

Calvin and Linda get married in a nudist colony. In "Love and the Neglected Wife," a wife tries to provoke jealousy in her husband.

Opie joins a rock 'n' roll group and starts getting failing grades in school.

Aunt Bee goes picnicking and dining out with a charming lecturer.

Andy opens a coin laundry to save money for Opie's college education.

Goober takes over at the office when Andy comes down with the flu.

Howard is asked to write an original poem for the state literary magazine.

Goober falls for a girl, in more ways than one.

Homer plans to keep the Cannonball from making its Christmas caroling tour.

Kate sells the hotel because she thinks the girls want to move to New York.

The convent arranges a benefit show and the personal appearance of a silent film star.

Sister Bertrille proves crime can pay, and goes to jail to prove it.

Walt tries to impress an art collector.

The couple visits the Fitzgerald country home.

Kirk can't wait for his wedding to Cindy, until the actual wedding begins and he faints during the ceremony.

Kirk's grandmother (Ruth Gordon) lets him take her car on his honeymoon, but highway patrol officers have other plans.

Trisha's prank sets off security alarms during the Christmas party.

Trisha protests the comic book's exploitation of women.

At their high-school reunion, Kip shows off Sonny, and Henry feels guilty about how he once treated a deaf schoolmate.

Henry starts to date an interior decorator that nobody else can stand.

The SWAT team pursues arsonists posing as firefighters, who evacuate wealthy residents, then loot the emptied houses.

Driver Jarod investigates the sabotage of a race car which seriously injured the son of the team owner.

Jarod becomes a counterfeiter and an undercover policeman in order to crack a Chicago crime syndicate; Miss Parker receives a difficult order.

Corso goes under cover among smugglers on the docks; with Dolph Sweet.

No one will file a complaint against an extortionist using black magic.

Hunter's old Marine buddy is found dead in his home; Hunter and McCall investigate the suspicious death of Hunter's old Marine buddy.

Convinced his buddy was murdered, Hunter investigates other war pals and uncovers ties to gem smuggling.

A murderer's dying confession haunts Milt because a baseball player was convicted of the crime; guest Ron Cey.

The judge and McCormick find two tots on the doorstep with a note asking Hardcastle to take care of them.

On the eve of an important international summit meeting, Val is convinced that aliens abducted Kay.

Val's evil twin escapes from prison and sets out to get revenge when she hijacks a deadly chemical weapon.

An old friend returns to the LaMistas in search of a cure for radiation poisoning. With Gena Lee Nolin and John Allen Nelson.

The whole family is disrupted when Kate finds out she is pregnant; a zany friend of Buddy's is determined to have an affair with Willie.

Willie's sudden involvement with his play's director causes him to reconsider his engagement to Rachel; Buddy's new car causes problems.

Kate accuses Nancy of neglecting troubled Timmy as she prepares an important legal brief; Buddy tries to reunite two friends.

Science for children.

The Science Zone is a weekly half-hour series showcasing science stories in today's world. This week we explore MATH IN ANTARTICA, BUTTERFLY WINGS and BRIDGES.

Visiting cafes and restaurants on the Copenhagen waterways; traveling to Paulista Avenue to discover São Paulo, Brazil; the province of Gansu, China to look at the rock formations.

The origins of the theatre, circus, and the cinema.

Nathaniel finds a Purple Heart at a flea market and sets out to find its owner.

When the Greenes return to Chicory Creek to get their car fixed, Josh disobeys his father and becomes involved with a wild teenaged girl, who has a drinking problem she won't admit to.

Joan tries to convince herself, her teachers, her parents and her friends that she is not meant to get a higher education, but when she joins Adam on his visit to a local college, she hears another point of view.

Joan gets a chorus role in the school's oddball musical about a zombie uprising, then has a key solo performance just prior to its debut.

The 20th anniversary of her mother's death causes an emotional Catherine to question her relationship with Vincent.

A frustrated Vincent is unable to help Catherine when she is endangered while investigating a case in Los Angeles.

Vincent helps a Russian sailor named Dmitri from drowning, unaware the man is a carrier of a lethal virus.

An Irishman claims to have seen leprechauns; a couple (Adam Arkin, Karen Austin) visits the near future.

A copier alters a secretary (Pam Dawber); at Christmas 2432, a space crew finds a burned-out planet.

Scientists capture the holographic image of a reincarnated woman.

A hologram of a girl has a life of its own.

A man (Peter Riegert) can change the course of his life by traveling into his past.

Unexpected consequences result when a traveler (Martin Landau) saves a girl's life.

The investigation comes to a terrifying conclusion; Dr. Jacoby goes to his meeting with Laura Palmer; Catherine and Shelly are trapped.

Cooper gets help and unwanted news; Audrey gets in deeper; Donna arranges to meet a stranger; Leland makes a horrifying discovery.

A female detective uses her skills and her supply of devices to solve crimes.

A female detective uses her skills and her supply of devices to solve crimes.

A man plans to dose Washington, D.C., with LSD for three days.

A mad prince threatens to unleash a deadly fungus on the Asian continent.

Tod agrees to help a Boston drug addict (Robert Duvall) go through withdrawal, an action that uncovers a secret from Buz's childhood.

While working in a Pittsburgh steel mill, Buz and Tod help search for a man (Robert Redford) accused of murdering his secret girlfriend.

Templar steps into the boxing ring and squares off with the Masked Angel to discover why so many recent bouts have resulted in death.

Crane and Kowalski discover Nazi officers in suspended animation.

Ralph is detoured from the trail of two escaped convicts when he decides the suit should be used to save ordinary people.

Val and Maxine agree to help test security at a new FBI facility, unaware they are being used to trap terrorists.

A film crew follows V.I.P. in hope of capturing some action, but a career criminal looks to distract it long enough to recover stolen bonds.

Legal technicalities hamper efforts to find evidence against a murder suspect; guests Juliet Mills, Barbara McNair, Edward Winter.

Vice officers (Hugh O'Brian, Christopher Stone) battle a reluctant city attorney to investigate violent pornography.

Hunter and McCall face ethical questions when they ponder freeing the murderer of a notorious crime boss.

The judge sees a man he sentenced to life and later discovers the criminal's records have disappeared.

After being ousted from the force for taking bribes, Hooker goes to Las Vegas as part of a plan to clear his name; guest Joe Santos.

Trench turns to Harry for help after being framed in the murder of a woman narcotics informant; guests James McEachin, Rene Auberjonois.

Julie cares for the abandoned infant of bank robbers (Michael Anderson Jr., Lyn Loring).

Terry pursues the killer of his former girlfriend's father, a retired policeman turned security guard; guest Tyne Daly, Keenan Wynn.

Stone's loyalty to an old friend could be fatal to the detective when the man seeks revenge against his son's killers.

While trying to rescue an old girlfriend, Nick and Cody become embroiled in a bizarre investigation involving murder and kidnapping.

When a client of Harry's is murdered in the law office, Harrison battles to save his professional image.

An Asian dies on a flight from Bangkok to Honolulu when a bag of heroin in her stomach bursts.

Two gangsters (Richard Jaeckel, Herbert Edelman) attempt to take over all Thoroughbred-racing and illegal-betting parlors.

A hotshot pool champion who has defeated all his peers only has one more opponent in his sights - the long-dead legend, Fats Brown.

A photographer, torn between taking an overseas assignment or getting married, meets a familiar young boy.

Sarah, fearing for her life, hides John in a safe house with the only person she feels she can trust (Dean Winters); Cameron and Derek struggle to work together after she reveals a big secret.

Sarah, fearing for her life, hides John in a safe house with the only person she feels she can trust (Dean Winters); Cameron and Derek struggle to work together after she reveals a big secret.

An intergalactic space scientist tries to drain the Robinsons' qualities to bolster his android creation.

A bag lady who saw aliens absorb her friends meets Harrison's adopted mother in a mental hospital.

The Seaview battles an alien heat monster at a remote Arctic space listening station.

When Ralph rescues a kidnapped girl, the ransom lands him in trouble with the IRS.

An ex-con tries using a chance to help V.I.P. on the outside to catch a notorious jewel thief.

V.I.P. is hired to protect a family business's formula for chocolate.

A Polish neighborhood becomes the scene of an assault on a rookie policeman and the murder of a student; guest Theodore Bikel.

A sergeant (Vince Edwards) investigating his partner's murder turns to a former informant (Donald O'Connor).

Hunter helps a war buddy (Dirk Blocker) find his kidnapped mail-order bride, but the routine probe soon turns to murder.

Mark's mechanic (Patrick Collins) "borrows" Coyote to impress a rich woman he met through a dating service.

Hooker seeks justice when gang members, charged with rape and robbery, attack a witness (Michelle Phillips) to prevent her testimony.

A lawyer wakes in her car after a drunken night to find she has a smashed headlight, then reads of a hit-and-run death in the newspaper.

Posing as social workers, the squad seeks guns stolen for a ghetto riot; guests Henry Darrow, Robert Pine.

The son of a woman murdered in an assault vows revenge against her attackers, released on a technicality; guest John Rubinstein.

Keller and Stone investigate a case of child abuse that leads to murder; guests Mariette Hartley, Clint Howard.

Nick and Cody compete with a pair of private eyes (Stepfanie Kramer, D.D. Howard) to help a woman framed for the murder of her husband.

When Harry's secretary (Carol Kane) makes an appointment with a counterfeiter, she manages to get herself and Harrison captured.

McGarrett and Danny investigate a drug ring in Singapore; guests Barry Bostwick, Victoria Principal, George Lazenby.

The IMF convinces a mobster he's had a heart transplant as part of a plan to destroy a drug ring; guest Billy Dee Williams.

Heartless man is sentenced to invisibility for a year.

A dying drifter leads an agent of death to a town where people live forever.

John tries to rescue Skynet's latest target; Ellison and Sarah reunite; Ellison's secrets are uncovered.

John tries to rescue Skynet's latest target; Ellison and Sarah reunite; Ellison's secrets are uncovered.

An outer-space gunfighter who looks exactly like Smith forces the doctor to switch places with him.

An alien takes over the body of a pregnant woman, who then gives birth to a half-alien mutant.

The Seaview faces a new threat, fossil men who plan to take over the world.

Ralph winds up on a tabloid's front page when a burger spokesman (Chuck McCann) decides to reveal his boss's drug dealing.

Vallery Irons moves to Southern California, searching for fame and fortune, only to find herself heading a Beverly Hills bodyguard agency. This episode: Vallery is hailed as Hollywood's premier bodyguard.

The agency is hired to protect a young prince who is plotting to overthrow his country's king. With Pamela Anderson Lee.

Pepper and Crowley go under cover to stop a high-school gang dealing in extortion and rape; guests Mare Winningham, Debra Winger.

Major Crimes Unit works from sketchy clues to find an officer's killer; with Edward Albert, Gary Collins.

Rick and Dee Dee investigate when racial tensions increase after the accidental shooting of an Hispanic councilman's son.

Prison inmates abused by corrupt officials revolt, taking Mark and the judge hostage; guests Red West, Daryl Anderson.

A routine arrest leads Hooker and a detective (Sharon Stone) to a mob involved in pornography, murder and jewel theft.

Sue gives Harry a bottle of cologne, which he passes along to Lester Hodges, only to learn the bottle is the target of diamond smugglers.

Blaming them for his son's death in Vietnam, a recluse (Karl Swenson) holds Julie, Linc and Pete captive in a cave.

A frightened, 16-year-old boy becomes involved with a junkie and winds up taking blame for the addict's crimes; guest Kevin Hooks.

To protect a friend's grandson, an elderly cobbler (Sam Jaffe) confesses to a murder he witnessed.

A simple assignment to deliver flowers to a dead rock singer's hospitalized partner puts the detectives in the middle of a musical scam.