1Hart to Hart
A friend of Jonathan Hart's is killed in a motor accident just after he has left a health farm, apparently committing suicide. There was no warning of him being troubled so the Harts go undercover to find out what happened at the farm.
2Hit Jennifer Hart
When Jonathan breaks up a semi-slavery ring, the manager running it sends a hit man to pretend to be Jennifer's cousin and terminate her.
3Passport to Murder
A yacht trip becomes dangerous when one of the Harts' guests is blackmailed into running drugs.
4Jonathan Hart Jr.
An innocent woman is blackmailed by her ex-husband into using their son to extort money from Jonathan.
5Death in the Slow Lane
When Jonathan buys Jennifer a gorgeous old car for her birthday, she is less than thrilled -- but two Brits seem suspiciously eager to take it off her hands.
6You Made Me Kill You
A young woman (Kathleen Lloyd) working at Hart Industries becomes obsessed with her boss, Jonathan and mimics Jennifer's appearance to replace her.
7Murder Between Friends
Two of the Harts' friends are suspects in the murder of a famous divorce attorney -- and they aren't answering Jennifer's and Jonathan's questions.
8Cop Out
When a prostitute is murdered, one of Jennifer's former sources asks her to investigate.
9Max in Love
Max has met a lovely woman who seems to enjoy his company also -- but she's part of a theft ring that cleaned out the Harts.
10A New Kind of High
Two chemists at one of Jonathan's subsidiaries have developed a new hallucinogen, and their supervisor is killed when he tries to report them to Jonathan.
11With This Gun, I Thee Wed
The Harts receive a last-minute invitation to the wedding of Jonathan's old girlfriend and discover she is being forced into the marriage.
12The Man with the Jade Eyes
A man collapses at the Harts' restaurant table and asks them to protect the man with jade eyes and take him to the temple.
13Color Jennifer Dead
The man who was painting Jennifer's portrait dies, supposedly while driving drunk, but the Harts don't believe the official explanation.
14A Question of Innocence
The old woman who runs the newsstand in Jonathan's building is being blackmailed for a murder she may not have committed.
15Night Horrors
At the haunted house recently purchased by the Harts' 'weird' friends Fred and Amanda, a dinner party turns into a deadly treasure hunt.
16Which Way, Freeway?
Freeway's got a new girlfriend, and when her master is killed, Freeway disappears with the gun -- but doesn't have it when he gets home.
17Downhill to Death
When Jennifer overhears an acquaintance planning to murder his wife on the ski slopes, she and Jonathan jet off to Vail to prevent it -- but the wife isn't the one who winds up dead.
18The Raid
When a researcher is kidnapped in a South American country by an old adversary of Jonathan's, he undertakes to personally deliver the ransom and ensure the safety of the researcher and his pregnant wife.
19Sixth Sense
A precognitive young woman sees herself being murdered, but it is her unknown twin sister who turns up dead.
20Does She or Doesn't She?
Hairdresser Barry styles the hair of the creme de la creme. But when his clients wind up blackmailed to pay Barry's loan shark, can the Harts help Barry break free before someone else winds up dead?
21Cruise at Your Own Risk
A diamond theft on a cruise ship owned by Jonathan leads the Harts to join the cruise ship to catch the thief.
22Too Many Cooks Are Murder
Maurice, a famous French chef and chemist, has created something world-changing and wants to distribute it through Jonathan's company, but before he can tell Jonathan about it, he is killed and his recipes stolen.
23Death Set
Marital suspicions lead a woman to accidentally kill her husband, but when his debt-ridden brother tries to step into his place, the Harts blow his cover and the widow may take her own revenge.
1Murder, Murder on the Wall
The Harts look forward to a nice lunch with Jennifer's friend and her new husband, but her husband suddenly disappears and is shortly found dead. Meanwhile, two men who followed him out of the restaurant next show up in his L.A. apartment and start following who they think is his wife: Jennifer.
2What Murder?
After witnessing a murder, Jonathan hits his head and loses his memory. As he tries to recover his memory, he starts to suspect he may have had a mistress -- and killed her.
3This Lady Is Murder
Jennifer is kidnapped by a man who wants to get some of the money from an old crime by holding his ex-partner's wife, who happens to be a dead ringer for Jennifer.
4Murder Is a Man's Best Friend
Freeway is chosen to star in a new dog food ad campaign, but the creator has a secret ingredient and will kill to hide it.
5Tis the Season to Be Murdered
Jennifer and Jonathan go undercover to identify a toy plan thief who has become a murderer.
6Murder Wrap
An Egyptologist is killed just before the opening of a stagey exhibit, featuring the mummy of an ancient Egyptian prince who legend says is waiting for his princess to join him in death -- and she looks just like Jennifer.
7Murder in Paradise
Jonathan and Jennifer are in Hawaii for a croquet tournament when a tournament official is stabbed, and the Harts wind up in an international dilemma involving the KGB, MI-6, the CIA, and a fancy key that may unlock deadly secrets.
8Ex-Wives Can Be Murder
When Max's long-dead ex-wife suddenly reappears, kidnapping and a hot diamond necklace are not far behind.
9Murder Is a Drag
Scalped stolen opera tickets land Jonathan in the middle of a plot to assassinate the DA who is fighting organized crime.
10Hart-Shaped Murder
The Harts want to give their charity committee gourmet chocolate hearts as a thank-you, but when one turns out to have been part of a smuggling operation, can Jonathan and Jennifer figure out what is going on before someone tries the "special" chocolates from an unknown admirer?
11Slow Boat to Murder
Stanley's evening at a singles bar ends with a murder, and it's up to Jonathan and Jennifer to find out who set him up.
12Murder in the Saddle
It's roundup time at the Harts' ranch, but Jonathan and Jennifer are distracted by dying animals, a rumored chemical spill, and a murder.
13Homemade Murder
A used bullet hidden in their house by a new Hart employee leads to a cat-and-mouse evening with a murderer.
14Solid Gold Murder
Max's bodybuilder protégé Vince is about to open a gym, but someone tries to steal Vince's famous barbells - twice. They leave Max injured the first time and a Scotland Yard inspector dead the second time, muttering the name Noel Teppman, an almost-mythical gold thief. Jonathan realizes Vince has been pumping not iron but gold and sets a trap for Teppman.
15Getting Aweigh with Murder
To catch a group of counterfeiters who murdered an investigator, Jennifer and Jonathan go on a cruise, she posing as a European countess and he working as a ship's steward.
16The Murder of Jonathan Hart
After two attempts on Jonathan's life, he stages his own murder to see why someone is trying to get him out of the way. A stranger who once helped Jonathan out of a snowdrift turns up with a will supposedly leaving everything to him, and Jonathan's lawyer Owen starts putting the moves on Jennifer.
17The Latest in High Fashion Murder
After a young model is killed at a fashion party, Jennifer and Jonathan agree to pose for a fashion shoot that leads to another murder. But Jennifer may have been the intended victim.
18Operation Murder
Did Jennifer's concussion cause her to hallucinate a patient being murdered?
19Murder Takes a Bow
When a playwright friend of the Harts' is killed and the Harts' copy of his last work is snatched, Jonathan is convinced something in the play motivated the murderer.
20Blue Chip Murder
The Harts find a hidden room in their house, and someone else may be looking for it to find the missing fortune of the original owner of the house.
1Harts and Flowers
Mrs Hart has been entered into a rose growing competition by Max, and her flower is chosen for the finals. At the same time, one of the main competitors a Greek organized crime figure is killed. They begin to investigate.
2A Couple of Harts
The Harts are on holiday in Acapulco, when they hear a senator has been assassinated. The assumption is the assassination is linked to bribery and corruption charges in the silver industry. The Harts decide to investigate.
3Hartland Express
Due to an airline strike the Harts have to travel from Chicago to Los Angeles by train. They unwittingly get caught up in a murder plot involving other passengers.
4What Becomes a Murder Most?
A series of murders is linked to synthetic fur coat line that Jennifer Hart has agreed to model for. Can the Harts uncover the murderer before Jennifer becomes the next victim?
5Murder Up Their Sleeve
The Harts are interviewed by the FBI over an ex-employee who swindled money. Max gets caught up in the case when he is mistaken for Mr Hart and kidnapped.
6Harts Under Glass
Millionaire Dodsworth Nash has become infatuated with Mrs Hart. The only problem is Mr Hart stands in the way of Nash's plans to woo Mrs Hart. And Nash has made plans to remove the problem.
7Rhinestone Harts
Hart recording artist Lorene Tyler (real life country singer Charly McClain) is beginning an international tour. Lorene's manger/husband Jesse, a jewel thief, has a costume made for her that sparkles with the stolen diamonds from a recent jewelry store robbery. After the outfit is loaned to Jennifer for a party, Jesse is determined to get it back at any price, even murder.
8Hart of Darkness
A man, who blames Jonathan for his sister's death, plants chemicals in the Harts' pool to blind him.
9The Hartbreak Kid
Max is kidnapped to force the Harts to throw a race in which their thoroughbred is running.
10From the Depths of My Hart
The Harts scuba dive too close to an embezzler's stash.
11Hartless Hobby
The Harts get involved with stamp thieves.
12My Hart Belongs to Daddy
When Jonathan and Jennifer visit her father,he seems preoccupied about something. He doesn't tell them anything. Later when something happens, he reveals that after the war he and some other men were tasked with locating a Nazi and bringing him to trial. He now learns that the man's son is seeking vengeance and has taken out the men who helped him and now he's coming after him.
13Hart of Diamonds
Jennifer has been brainwashed into stealing very expensive jewelry.
14Harts and Palms
On vacation in Hawaii, Jennifer overhears a woman arranging for the murder of the woman's husband.
15The Hart of the Matter
On a trip to an exclusive island French hotel, a friend of the Harts disappears. The staff at the hotel deny that their friend was ever a guest there.
16Blue and Broken-Harted
Someone's trying to break up the Harts.
17Harts on Their Toes
The Harts are in the thick of things when a Russian dancer seeks asylum in their home.
18Deep in the Hart of Dixieland
The Harts try to prove a friend is innocent after he's accused of his rich girlfriend's murder.
19Vintage Harts
The distributors of the Harts new wine venture, are delivering - murder!
20Hart, Line, and Sinker
The Harts escape to their mountain cabin, and get involved in rescuing a young friend who's being framed for murder by the local sheriff.
21Hart and Sole
The Harts get involved with tracking a double agent.
22The Harts Strike Out
One of Jonathan's vice presidents dies, and leaves his family penniless; the Harts try to recover stolen vintage baseball cards that could be worth a fortune to the man's family.
23To Coin a Hart
Jennifer's life is at risk, after a rare coin dealer is killed during a robbery, and Jennifer ends up with the coin.
24Harts and Fraud
Jennifer is at fault in a minor accident. She and Jonathan are shocked when the victim dies due to complications, and then are sued by the grieving widow.
1On a Bed of Harts
The Harts travel to Napa Valley to celebrate their anniversary. While there they accidentally purchase a resort. To their surprise there are others who want the property and will go to any lengths to get it.
2With This Hart, I Thee Wed
The Harts host Jennifer's Aunt's latest nuptials (Eva Gabor), but the occasion is crashed by ex-husband William Windom - and a poisoned cake.
3Million Dollar Harts
Jennifer becomes involved in a deadly gambling scheme while in London.
4Harts on Campus
Jennifer's prep school classmate, sporting a new look, looks to settle some old scores. And one of them involves murder.
5Harts at High Noon
Hart Industries is considering buying a bankrupt old West ghost town, and increasing its value as a tourist attraction. The resident bad guys are determined to prevent that, forcing Jonathan to don his six-shooters, so he and Jennifer can ride off into the sunset.
6Hart's Desire
The Harts are unwillingly involved in a deranged fan's fantasy after Jennifer agrees to help her old professor by impersonating as the author of his novel
7Rich and Hartless
Max's prize of one million dollars in a cereal slogan contest, puts he and the Harts at risk.
8In the Hart of the Night
The Harts and Max must save the Harts' friend King Rashid from being overthrown.
9One Hart Too Many
Jennifer goes undercover at an exclusive women's only fitness center, and gets caught up in a murderous plot to defraud wealthy widows.
10A Christmas Hart
The Harts go undercover as King Kong and Ann Darrow, as singing telegrams, to trap burglars.
11Hunted Harts
The Hart's are lured to South America by a big game hunter who wants to kill them, using one of their friends as bait.
12Emily by Hart
On a romantic getaway, Jennifer meets the fiancé of a former journalism student, who recently committed suicide. Jennifer and Jonathan come to the conclusion that the death was murder, and get caught up in preventing another - Jennifer's.
13Pounding Harts
Freeway, Max, and the Harts find themselves in the middle of a drug smuggling ring.
14Chamber of Lost Harts
A Hart employee is murdered during an exploration in the jungle. The Harts are off to Peru to solve the mystery.
15Harts on the Scent
Greed and an ongoing affair lead a woman to murder her wealthy husband using "perfume". The Harts stumble upon this case and soon they find themselves up to their noses in the perfume world.
16Bahama Bound Harts
The Hart's discover a well-known party host is actually an imposter, but no one can get a private audience to prove it. Enter Max, then the police.
17As the Hart Turns
Jennifer wins a walk-on part to a popular soap opera where a real murder of an actress has taken place. After a successful day on the set, Jennifer is asked to help write the next few episodes when the head writer is murdered by the actor whose character is about to die in the show. Will Jennifer be next?
18The Wayward Hart
Jonathan and Jennifer give Max an expensive foreign cigar. Max plans to go to Vegas like he does every year at the same time, but fearing he's 'in a rut', decides to travel somewhere different, only he doesn't tell anyone where he's going. The Harts discover that the cigar is poisonous and need to track down Max before it's too late.
19A Change of Hart
A female assassin takes Jonathan hostage, but he tells her he's Max.
20Hartstruck
Jonathan is stalked by a mentally disturbed woman who would kill to obtain him. After killing two of Jonathan's co-workers, she goes after Jennifer.
21Too Close to Hart
Art forgers move into the house next to the Harts.
22A Lighter Hart
An exercise routine and nutritional supplement is more than it seems, when Jennifer's cousin suffers a heart attack after only a week in the program.
1Two Harts Are Better Than One
Follows how Jonathan and Jennifer met for the first time in London, England, even though Jonathan refuses to give journalist Jennifer an interview.
2Straight Through the Hart
An emerald stolen by an Argentine polo player ends up in Jonathan's possession. The thief succeeds in getting it back, but Jonathan foils him in the end.
3Hostage Harts
Jonathan walks in on a robbery in progress at a museum in Paris. But the 2 jewel thieves escape, taking Jonathan with them as a hostage. Jennifer and the French police have to find and rescue Jonathan. Can they?
4Pandora Has Wings
Jonathan serves as a radio operator for a test mission of a top secret new radar system on a flight that has been set to explode.
5Harts and Hounds
The Harts have been invited to England by Sir William Belgrave to participate in a fox hunt. When Sir William is killed when trap shooting, the Harts find themselves looking for a murderer whilst avoiding being killed themselves.
6Love Game
A tennis instructor is using pillow talk with his students to keep make money with a crooked businessman. When Jennifer Hart organises a charity tennis match, she uses the him to obtain the stars and manages to turn the tables.
7Passing Chance
A Greek businessman is planning an unfriendly takeover of Jonathan Hart industries, which is to be done when the Harts are participating in a car rally around Athens. Their race is sabotaged as the businessman is determined to stop them.
8Long Lost Love
Jennifer's father sees a woman who reminds him of his nurse when he was wounded during WWII. However, she is a con woman, and impersonating Jennifer's half-sister to get her hands on the Edward's family trust money.
9Highland Fling
A Scottish chieftain finds an old parchment that shows where a valuable claymore worth millions of dollars is buried he is killed by a rival. When some research shows that Jennifer is eligible to be the chieftain she decides to run.
11Trust Your Hart
Lisa has been in a coma for seven years after she was in a car accident that killed her parents. The Harts take her in for a few days to help her recover. However, not everybody wants her to remember what happened.
12Harts on the Run
Jennifer witnesses the murder of a mob boss by his rival and the murderer vows to kill her. The police protection fails when there is an attempt on her life so Jonathan takes matters in his own hands and they decide to hide in a convent.
13Whispers in the Wings
Jonathan and Jennifer are to perform again in an annual charity benefit for children. A stage manager who is besotted with Jennifer, thinking she is a long-dead actress, and is prepared to kill to satisfy his obsession.
14Max's Waltz
Max becomes very interested in a very wealthy widow and their relationship becomes serious. When Max decides he is not the marrying type she breaks it off. However, she is also the target of some conmen interested in stealing her money.
15The Dog Who Knew Too Much
The Harts have entered their dog 'Freeway' in a dog show when a stranger asks them to mind his dog and he then runs off with people shooting at him. The dog is carrying stolen industrial secrets and some callous people want them back.
16Silent Dance
The Harts come across an accident where a potential Olympic figure skater and her father are seriously injured. Inadvertently, they had just witnessed the preparation for an assassination and the shooter had tried to kill her.
17Death Dig
The Harts are sailing around the Aegean Sea and berth at the island of Rhodes. They soon find themselves involved in murder and the smuggling of stolen Greek artefacts.
18The Shooting
A criminal that Jennifer sent to prison for fraud escapes and seeks revenge against her. It is up to Jonathan to uncover his plan and save Jennifer.
19Slam Dunk
Max's nephew is one of the top players for Westcliff college's basketball team. Following a tipoff, the Campus Security finds cocaine in his locker. Max contacts the Harts and they go undercover at the college.
20Larsen's Last Jump
The Harts have returned home from a skiing holiday and are viewing a video of their holiday with a married couple they met. They notice something unusual on the video.
21Always, Elizabeth
Max's penfriend pays her first visit to the Hart residence. However, Max embellished his station in life and claimed that he had the mansion and the money. As a favour to Max, the Harts decide to exchange roles and become Max's servants.
22Meanwhile, Back at the Ranch
Max has been taken hostage in order to train two Hart look-alikes to fool some wealthy people at a dinner. In a case of mistaken identity, the real Jonathan and Jennifer turn up, unaware of what is planned for them.
