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.

Art forgers are replacing masterpiece paintings with fakes and the Harts take action to trap them.

A psychotic woman is obsessed with Jonathan and is killing anyone who gets in her way.

A hitwoman kills a commissioner and ends up taking Jonathan, Jennifer and Max hostage.

The Harts must find vacationing Max after accidentally giving him a lethal cigar as a going away gift.

Jennifer wins a walk on role on a soap opera which leads to a writing job that nearly gets her killed by the leading man.

Jonathan and Jennifer travel to the Bahamas to meet with a recluse, and discover that his assistant has replaced him with an impostor to gain control of his fortune.

A woman's plan to sell her husband's perfume firm to Jonathan leaves her a widow.

The death of a Hart Industries geologist in the Peruvian jungle leads to a plot to exploit a lost Inca treasure.

Freeway, Max, and the Harts find themselves in the middle of a drug smuggling ring.

The suspicious death of one of Jennifer's former students turns the Harts' getaway weekend into a murder investigation.

A big game hunter plans a jungle revenge after Jonathan bests him in a major business deal.

A jingle-gram company serves as a front for an organization of burglars targeting the Harts and other wealthy families.

Jennifer goes undercover at an exclusive women's only fitness center, and gets caught up in a murderous plot to defraud wealthy widows.

Jonathan and Jennifer try to help a King save his culture's golden statue after it is stolen and replaced with a worthless look-alike.

Max is duped into thinking he won a million dollars, and he leaves the Harts to thieves who take over the house.

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.

At a theme park the Harts witness the death of a stuntman who is shot with a gun that was supposed to be loaded with blanks.

Jonathan faces danger at Jennifer's reunion when a man from her past decides to be the only man in her future.

During a trip to London with Jonathan, Jennifer reluctantly becomes both lady luck and carrier pigeon to a mysterious baron whom she later learns has spirited a fortune away from the British government -- and she's holding the bag that everyone wants!

Jennifer's aunt weds for the seventh time, but the groom dies while eating wedding cake.

Jonathan decides to purchase his and Jennifer's Honeymoon bed, but the wrong bed is delivered. In their search for the "real" bed, the Harts become entangled in an international art smuggling scheme through San Francisco and the Napa Valley.