With her daughter's school about to be closed as a cost-cutting measure, Natalie becomes a candidate in the upcoming school board election despite Monk's fears that she'll desert him if she wins. Natalie's frustrations with a jammed photocopier and other defective equipment bought at a police auction are dwarfed by fear for her life when a sniper fires into her campaign headquarters, further damaging the equipment and killing a security guard. The only clues to the identity of the sniper are an oddly folded note demanding that ""Natalie Teege"" withdraw from the election and a bullet from a semiautomatic rifle made in Russia. Suspicion falls on Natalie's opponent in the election, Harold Krenshaw, whom Monk knows as a fellow patient of Dr. Kroger's. Although Monk thinks that Krenshaw is lying about his friendship with Dr. Kroger and Krenshaw admits to being an excellent shot, Monk is sure that Krenshaw is innocent because he wouldn't misspell Natalie's name. When Krenshaw passes a polygra

With Sharona in New Jersey remarried to her ex-husband, Monk has been without an assistant for three months and it's time to find a new one--if only he could find a suitable applicant. When Natalie Teeger, a thirty-something widow with an eleven-year-old daughter, arrives at his house, he thinks she's applying for the job, but she's really been sent by Captain Stottlemeyer to get Monk's help--two men have broken into her apartment in the last few days and she had to kill the second one with scissors in self-defense. Examining Natalie's apartment, Monk finds a single clue, an unused fish net caught between the sofa cushions, suggesting that the intruders were trying to steal Mr. Henry, Julie's pet fish. But why would anyone want to steal a ninety-nine-cent red herring, er, crimson marblefish? A second clue surfaces when Lieutenant Disher finds a note in the dead perp's pocket reading ""2:30 Sea of Tranquility"" and Natalie identifies the Sea of Tranquility as an exhibit at the science mus

After witnessing a Chinese gangland murder, Monk has to stay in an FBI safe house--a cabin in the woods--in the protective custody of Agent Grooms, with Stottlemeyer and Natalie as company. Awakened by a man's scream, Monk convinces Stottlemeyer and Natalie that a woman in a nearby cabin has murdered her husband. Agent Grooms, however, remains skeptical. After Grooms disconnects their telephone, Stottlemeyer locks him in the bathroom and the three ""borrow"" Grooms's car and set out in a rainstorm to investigate, only to get stuck in the mud on the way. Meanwhile, Disher and his new girlfriend Hayley are encountering a strange circumstance--the fortunes in their fortune cookies keep coming true. When a fortune informs Disher that an old friend is in trouble and only he can save him, Disher immediately sets out to save Monk, unaware that he's leading a pair of hitmen to the FBI cabin. After a rainy night in the car, Stottlemeyer leads Natalie and Monk through the woods toward the neighbor

When John Ricca, author of a controversial and unfavorable biography of martial artist Sonny (""the Cobra"") Chow, is found dead in his home, all the evidence points to Chow as the murderer. Unfortunately for Captain Stottlemeyer, his chief suspect has been dead for six years. While Monk and Natalie (who's more interested in being reimbursed for her business expenses than in solving the case) visit Chow's former teacher, Master Zee, who claims that Chow died in his arms, Stottlemeyer resorts to having the corpse dug up to prove that, despite rumors to the contrary, Chow is indeed dead. A dental X-ray proving that the corpse is Chow leaves Monk to figure out who tried to frame the dead man for murder. On an inadvertent tip from Disher, an avid Cobra fan, Monk and Natalie visit the Sonny Chow museum, where Monk finds two important clues--a hairbrush that has been stolen from its case and replaced with a lookalike and the stamp that the museum proprietor placed on Natalie's hand so that she

In yet another case of murder in a room locked from the inside, a music producer is found dead with bullets in his back, head. and chest, clearly neither an accident nor a suicide. But this time there's a further twist: the dead man's pet chimpanzee, Darwin, is caught with the murder weapon in his hand. Not wanting to make a monkey of himself by falsely accusing a chimpanzee of murder, Stottlemeyer takes the chimp into the interrogation room, tempting the animal to fire what he thinks is an empty gun. Meanwhile, Disher realizes that he's inadvertently given the captain a loaded gun and panic ensues. When the gun goes off, endangering not only Stottlemeyer but Disher, Monk, and Sharona as well, Stottlemeyer is persuaded that the chimp is guilty and is ready to allow animal control to put him to sleep. Sharona, however, is convinced that Darwin is innocent. In desperation, Sharona resorts to breaking and entering to rescue Darwin, persuading the most unlikely person imaginable to take hi

With Sharona in New Jersey to visit her ailing mother, Monk is left in the very incompetent hands of his annoying upstairs neighbor, Kevin Dorfman, but the prospect of a week with Kevin is eased somewhat by a visit from Trudy's father, Dwight Ellison. Dwight invites Monk (and Kevin) to spend the week with him and his wife, Marcia – and at the same time investigate gameshow host Roddy Lankman, who appears to be involved in a conspiracy to allow one of his contestants, Val Birch, to win every game. Despite the memories of Trudy aroused by spending time with her parents in her former home and the questionable help of Kevin, Monk discovers evidence that Lankman visited Birch's house – and that Birch visited the site of the accident that killed Lankman's assistant, Lizzie Talvo. To discover exactly how Lankman and his crooked contestant are communicating – and possibly prove that they're involved in something much worse than cheating – Monk becomes a contestant on the game show. His knowledge o

In the middle of the night, Monk receives a phone call from a drunken Stottlemeyer, who has gone to Las Vegas with Disher for a fellow officer's bachelor party. Stottlemeyer believes that a wealthy casino owner has murdered his wife, but he needs Monk's help to prove that the death wasn't an accident. Unfortunately, when Monk arrives in Vegas with Natalie the next morning, Stottlemeyer can't remember anything that happened the previous night--including how his pants happened to be thrown out the window. As Monk and Natalie explore the elevator where the woman died, interrogate witnesses, and reenact the death scene (with Monk in the role of victim), Stottlemeyer tries to retrace his steps and deal with Disher, who has become addicted to blackjack and fallen hopelessly deep into debt. When Monk, at Stottlemeyer's insistence, takes Disher's place at the blackjack table to win back his money, he figures out how the murder occurred as he simultaneously places winning bets, but the casino o

When five members of the West Coast Mafia are shot down in a barbershop, Monk is pressured by mob godfather Salvatore Lucarelli and his nephew ""Fat Tony"" to solve the case. But the FBI in the person of Agent Colmes is pressuring him, too. Despite Captain Stottlemeyer's insistence that Colmes is not to be trusted, Monk accepts his offer of reinstatement on the police force if he can bring down the whole gang. The only clues are a partially completed crossword puzzle and a gumball machine that was apparently used to break a back window so the killer could escape. With a Mafia bodyguard named Vince as their ""babysitter,"" Monk and Sharona interview the sole witness, Phil Bedard, a young U.S. mint employee who tells them that he saw three men running from the scene, one of them wearing a jacket with a strange-looking number 15 on the back. Bedard also explains the heightened security at the mint: someone has stolen five double-headed pennies. Associating the numbers on the jackets with a Ch

When Edna Coruthers, a model employee at a giant chain store called Mega-Mart, is killed by a falling television set, Monk is called in to investigate by the store's security chief--who turns out to be his disgraced ex-partner, Joe Christie. Neither Monk nor Stottlemeyer wants to work with Christie, whom they hold responsible for some missing cocaine and the death of two police officers, and both of them disregard the evidence that Edna might have been murdered--a broken shoe heel (suggesting that the victim ran from someone or something), her dust allergy (which normally kept her from entering the loading dock where the death occurred), and the three letters (in different handwriting but with similar stamps) complaining about the victim. Twenty-seven days later, realizing that the stamps were all from the same roll and therefore from the same person, Monk reluctantly agrees to help Christie discover a suspect and a motive by working undercover as a store clerk. But he still doesn't tr

When Monk, Natalie, and Julie get stuck in a traffic jam after a multi-car collision blocks the freeway, Monk gets out of the car to investigate. He soon deduces from the absence of skid marks and other clues that the young man in the overturned Volkswagen that caused the pile-up was murdered and his body placed in the car to make his death look like an accident. But the highway patrolman in charge of the ""accident"" scene wants nothing to do with Monk (or the not-very-successful lawyer who has latched onto him), and the mountains blocking the signal prevent Monk from calling Captain Stottlemeyer for an authorization to investigate. Monk briefly returns to Natalie's car, where he finds Julie in need of a bathroom and Natalie nursing an injured wrist. Unfortunately for them, Monk's mind is on the fatality, and he returns to the Volkswagen. The angry officer gives him the victim's name and occupation (environmental activist), but he still refuses to listen to Monk's evidence. Meanwhile, t

Low on cash because they haven't had a homicide to investigate in three weeks, Monk and Natalie search for the stolen Alexander Diamond, hoping to win the million-dollar reward. Unfortunately, they have competition in the form of a retired Scotland Yard investigator, a bounty hunter, and a gadget-loving private detective, all of whom want the reward money for themselves. Monk quickly figures out that the heist was an inside job and that one of the robbers was under five feet tall, short enough to hide inside a roll-top desk. He also discovers a clue linking a perpetrator to a transcendental meditation retreat. With their competitors close behind them, Monk and Natalie head for the retreat, where they find the thief, who is unfortunately dead. Meanwhile, Disher is having to interrogate a strange young woman who keeps turning herself in for such ""crimes"" as stealing pens or murdering a hamster. Monk tells Natalie that he's solved the case and they race to the police station with the other detectives following. The only thing left is to find the diamond before their competitors do.

Monk goes to a rock concert to look for Captain Stottlemeyer's son and finds himself in the middle of a murder investigation.

Karen Stottlemeyer has decided to film a ""cinema verite"" documentary about her husband's work, but her timing couldn't be worse. The police commissioner shouts at the captain (on camera) for focusing on a routine arson fire in a wig factory and relying on Monk to solve a more newsworthy case involving a female victim whose body was cut up with a chainsaw. Monk is in even worse trouble. After presenting some useful leads involving the chainsaw victim's age and nationality, he accidentally erases several years' worth of crucial computer files, and the enraged commissioner revokes Monk's private practice license despite Stottlemeyer's protests that doing so will destroy him. With Sharona forced to return to her old job as a nurse, the devastated Monk sits in the hospital hallway all day waiting for her until, at her exasperrated insistence, he finds a job with a magazine as a fact checker. Meanwhile, having identified the victim based on Monk's information, the captain and Disher zero i

After twenty-two-month-old Tommy Graser finds a severed finger and gives it to a policeman, Monk walks through the park with Tommy trying to retrace the child's steps. He finds no body or other incriminating evidence, but he does discover a surprising affection for the placid and intelligent toddler, who constantly repeats Monk's name and quietly submits to having his hands wiped when he touches ""nature."" A lab technician identifies the finger as that of a twenty-five-year-old man, and Monk deduces from a callus that the young man played the violin. After visiting the home of Daniel Carlyle, a musician who fits this description, Monk concludes that Daniel's mother and her other son, Jason, killed Daniel and that Jason is masquerading as his brother. Meanwhile, little Tommy is temporarily removed from the custody of his foster parents, and Monk surprises everyone, including himself, by volunteering to care for him for two weeks until his new adoptive parents can take him. With Tommy in

Monk is hired to clear the name of a famous rap star who is accused of murder.

When Monk develops a crush on a model who is accused of murder, he is determined to prove her innocence, even though she confessed.

When a woman drives off the road to her death, her body is mysteriously found the next morning by a psychic known for fudging the truth. Monk must discover if she's telling the truth this time, or else let a murderer go free.

Unable to pay for Monk's services as a private detective, middle-aged law student Julie Parlo offers him a trade--she'll help Monk become reinstated as a policeman with the SFPD if he'll help her find her missing grandmother. The only clue to the identity of the kidnappers is a roughly drawn lightning bolt on a note left at the grandmother's house, leading Stottlemeyer and Disher to suspect the former leader of an anti-Vietnam War group from the Seventies. But when the captain, anticipating Monk's reinstatement, invites Monk to help him with interrogation, Monk accidentally discovers that the suspect's tattoo doesn't match the symbol on the note--it has three humps instead of two. Meanwhile, the kidnappers order Julie to provide turkey dinners to the homeless in exchange for the return of the grandmother. Julie complies and her grandmother is returned safely, leading Stottlemeyer to put the case ""on the back burner."" True to her promise, Julie informs Monk of a loophole that will all

Monk and his friends go to New York City to discover the connection between Trudy's murder and Warrick Tennyson, whose name was given to Monk by Dale the Whale in last season's cliffhanger, ""Mr. Monk Goes to Jail."" As they're checking into their hotel, mayhem breaks out in the lobby and three people are killed, including the Latvian ambassador to the United Nations. Monk quickly discovers that the ambassador's coat is wet--an odd detail because minutes earlier he was standing near Monk in a dry coat. Monk provides a police sketch artist with minute details about the perpetrator's left ear--the only part of his face that wasn't covered--and Stottlemeyer pressures the New York police captain to allow them access to Tennyson in exchange for their help in the new case. However, the DA, for reasons of her own, is blocking their access to Tennyson, and only after Stottlemeyer ""borrows"" the keys to the captain's office and pulls out the file that he saw Captain Cage hurriedly stuff into the b

It's Sharona's turn to be terrified. After several frightening and mysterious encounters with a blood-soaked man that no one else can see, she begins to doubt her own sanity, and Stottlemeyer advises Monk to give her time off to restore her nerves. Monk is left with an irritating substitute nurse whose philosophy is the opposite of Sharona's: everything from Monk's requests for wipes to the obsessively systematic organization of his refrigerator has to go. Wanting Sharona back again, Monk goes to the garage where Sharona first saw the blood-soaked man and finds a clue--the silver tip from the toe of a cowboy boot. Meanwhile Sharona, who is attending a night class in creative writing, apparently forgets to turn in an assignment and seems to be misplacing objects. But when her writing instructor's husband dies of a heart attack after eating tomato soup, Sharona recognizes the plot of her missing story and realizes that she's not crazy. All she and Monk have to do now is tie together the...

Julie and her friends hire Monk to look into the suspicious death of their basketball coach.

When Lt. Disher inherits a farm from an uncle who committed suicide, he decides to quit the police force and start a new life in the country. But Disher soon suspects that his uncle was murdered, so Monk joins him on the farm to investigate.

When a man he sent to prison years ago is cleared based on new evidence, a guilty Monk tries to help him adjust to life on the outside.

When Monk's delinquent half-brother, Jack Jr., escapes from prison and breaks into Monk's apartment, he manipulates Monk into helping him find the person he claims framed him for murder.

When a childhood bully who terrorized Monk hires the detective to trail his wife, whom he suspects of infidelity, Monk relishes the opportunity to prove him right — and things get even sweeter when the bully is accused of murder.