Sam confronts Dave about Maddie, and tells him he's not good enough for her.

Ms. Dipesto finds a baby left in her apartment by a woman named Mary fleeing from the hit men who killed her husband, and Dave and Maddie quarrel over using the agency phones as a "Santa hot line."

Dave and Maddie agree to "corpse-sit" for an escape artist's widow, who believes her dead husband's threats to come back and get even with her.

Ms. Dipesto tries to solve a haunted house case refused by Dave and Maddie to show Bert Viola that she's just as good a detective as he is.

Dave and Maddie are hired by a married woman to find the man she has been sharing a torrid romantic correspondence with and make sure he understands the arrangement is over.

Dave and Maddie argue over whether to help a young woman who claims to be a leprechaun find the pot of gold she insists her father has hidden for her in Los Angeles.

Maddie becomes consumed with curiosity when David announces he must fly back to New York to attend the funeral of his former wife's brother.

Dave and Maddie each dream their own solutions to an unsolved 1946 murder case after hearing the story while finishing an investigation.

Dave and Maddie quarrel over Sam as they keep watch on a man for his mistress, who's convinced he's two-timing her-with his wife.

With Maddie in Chicago, Dave feels very sympatico with a client who offers $10,000 if they can locate the woman he spent one memorable night with.

Maddie fears David's old flame is using him when she returns and asks him for help with a bad marriage.

Dave busies himself finding an important phone index for a hapless young executive while Maddie mulls over an offer to sell the agency to a competitor.

After an embezzling accountant leaves her penniless, ex-model Maddie Hayes decides to sell the few failing businesses she still owns, among them a detective agency. But private eye David Addison wants to keeps his job, so he persuades a reluctant Maddie to form a partnership. Their first case gives them little to go on: Maddie gets a broken watch from a dying man.

A depressed man hires a hit man to kill him after his wife dies, then desperately seeks Dave and Maddie's help to call him off when he sees his supposedly dead wife alive.

Maddie feels more and more confused about Sam and Dave after an all-night stakeout with Dave ends in an early morning proposal from Sam.

Maddie tries to ignore the previous night as she and David tackle a new case: a woman wants evidence that her fiance loves her and not her father's money.

A sick old man asks Dave and Maddie to be the "expert" witnesses at his murder.

A restless Ms. Dipesto gets a chance for danger and excitement when she gets a piece of paper from a mysterious man while attending a ball in Dave and Maddie's place.

Maddie becomes infatuated with a radio talk-show host who has apparently been murdered while he was on the air.

Dave is skeptical about the existence of Walter Bishop and bugs Maddie about it as they work on case for a woman who wants to buy off her husband's mistress.

An angel from above visits Baby Hayes as he waits to be born and gives him the low down on his parents and their relationship.

The office divides along gender lines when Maddie takes on a case for a woman who shot her boss for sabotaging her career when she refused his sexual advances.

Dave and Maddie keep company with a popular corpse and visit a graveyard when a man seeking a bodyguard drops dead in their office.

Maddie resists, but David plunges ahead when a dying burglar asks for their help in proving he committed the perfect crime 25 years earlier.

Maddie returns home by train. She is still unsure about David and has dreams and nightmares about being married to him on the trip back. On the journey, she meets a systems analyst returning to Los Angeles and they become friends.

A ruthless divorce lawyer comes to Blue Moon for help in reconciling a couple she helped split up, and Maddie tries to buy David a present.

Ms. Dipesto lets Maddie's secret slip, so Dave frantically tries to fly to Chicago, but he gets waylaid and makes an unexpected side trip to prison under another man's name.

Maddie's parents throw a party for her in Chicago while Dave and Bert party it up in LA.

Bert, bored on an all-night stakeout, dreams about how nice it would be to live with Agnes, but her hesitation when he actually asks her hurts his tender ego.

Maddie takes on several new cases in an effort to bury her sorrow, including one where a woman is convinced that her husband is still in love with someone from his past.

Maddie and David struggle to find a new footing for their relationship while working on a case for a woman whose husband of one week returns after a ten year absence.

Burt pouts and frantically tries to solve the crime when Agnes is forced to miss his family reunion because she won't vote to convict a man of murdering his partner / lover.

Ms. Dipesto lets Maddie's secret slip, so Dave frantically tries to fly to Chicago, but he gets waylaid and makes an unexpected side trip to prison under another man's name.

Dave and Maddie agree to each arrange what they consider to be an ideal evening for the other, but the concert tickets Dave buys from a scalper get them into nothing but trouble.

Mr. Hayes visits Dave after his return to the agency to subtly hint that he should take some responsibility for Maddie's unborn child.

David's estranged father makes a surprise visit to announce his upcoming wedding and to introduce his bride-to-be, who comes as a shock to David.

Maddie is sympathetic while David is skeptical when his brother shows up asking for help tracking down his fiancee's former partner, who has absconded with all their company assets.

Maddie and David are hired by a disfigured man who has become a recluse and needs the detectives' help in proving that a plastic surgeon wantonly caused his disfiguration.

Dave breaks it off with Annie when her husband comes to California, everyone attends the wedding of Burt and Agnes, and the agency closes its doors for a final time as everyone tries to figure out why it all had to end.

After a month of intimacy, Maddie begins to question just where this relationship with David is headed.