A former San Francisco police detective suffering from an extreme case of obsessive-compulsive disorder is called in to investigate an apparent assassination attempt of a mayoral candidate in which one of his bodyguards is killed.

When a woman drives off the road to her death, her body is mysteriously found three mornings later 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.

A judge is murdered while placing a 911 call, but before she dies she names her attacker - notorious criminal Dale Biederbeck. The problem is, "Dale the Whale" is over 800 pounds and hasn't left his bed in years.

A police officer and friend of Stottlemeyer is framed for a crime he didn't commit involving a ferris wheel. Meanwhile Monk tries to convince Stottlemeyer to get him reinstated.

Monk is committed to an asylum, where he becomes convinced the chief psychiatrist committed a murder several years prior.

When billionaire software magnate Sidney Teal is shot dead by ex-cop Archie Modine after allegedly turning mugger and another policeman mysteriously flees the scene, Stottlemeyer calls in Monk to investigate. Not only is the idea of a billionaire turning mugger hard to swallow, the circumstances of the mugging are suspicious. Why, for example, would a mugger wear knee and elbow pads? Meanwhile, Sharona threatens to quit (this time for sure) when her paycheck bounces, and Stottlemeyer is hounded by reporters demanding information on "Fraidy Cop." Unable to continue the investigation without Sharona's help, Monk returns to the seemingly unsolvable mystery of his wife's murder only to find that his "new" clue isn't new; he's already talked to writer Kelly Street three times. Sharona finds that selling lamps isn't nearly as much fun as working for Monk (with or without money) and comes to the rescue with a new clue involving Teal and Modine.

A very tidy woman who resembles Trudy turns Monk's head while he's investigating a triple homicide. The only problem is, she's the prime suspect.

A woman is murdered during the San Francisco marathon and Monk suspects her married lover. But he was running the race, and his tracking chip says he never left.

While on vacation at a resort, Benjy claims he witnessed a murder. Monk believes him, but with no body and the cleanest crime scene Monk has ever seen, it's going to be hard to convince everybody else.

Renowned philanthropist Henry Rutherford is killed when a moderate earthquake rocks the city and sends a display case falling on top of him. But when Monk examines the scene, he finds clues that suggest foul play.

When Monk's favorite singer, Willie Nelson, is suspected of murdering his tour manager, Monk steps in to clear his name.

Monk's first flight proves to be harder than he anticipated when he begins to suspect that a fellow passenger murdered his wife.

When English teacher Beth Landow falls from the clock tower at Trudy's former high school, Monk is called in and quickly disproves the police theory of suicide. The trail of clues leads to a science teacher but he has an iron-clad alibi. Monk becomes a substitute teacher in the hopes of solving the case.

A skydiving student on spring break appears to have drowned in midair - a case strange enough to convince Monk to travel to Mexico to investigate. While there, he must deal with a myriad of phobias, the theft of his luggage, the shortage of his favorite brand of bottled water, and apparent attempts on his life, all while trying to unravel one or more murders that are not what they seem.

When a powerful CEO and his wife are shot to death in a deserted parking lot, the police investigate the husband's enemies. But Monk thinks it's all about the wife and the affair she was having with a handsome young ballplayer.

When a ringmaster is murdered by an acrobat in a crowded restaurant, Monk suspects his ex wife is responsible. But with her foot broken and in a cast, how could she have done it?

The world's oldest man dies the day before his birthday, and everyone but Stottlemeyer's wife, Karen, thinks it's just the result of old age. Karen enlists Monk's help to figure out what really happened.

Monk attends a popular new play starring Sharona's sister Gail. But when Gail appears to stab and kill her costar during the live performance, Sharona calls Monk in to investigate.

A series of mail bombs target three wealthy siblings, but Monk thinks one of the brothers is actually responsible. The problem is, he's been in a coma for the last four months.

Monk suspects the owner of a notorious playboy magazine is responsible for the death of his CFO, who died alone in a locked room of an apparent accident. So, how did he do it?

Monk tries to link the victims of a serial killer before he strikes again.

Monk's paperboy is killed on his doorstep, and the killer takes Monk's paper. So, what's in the paper that the killer doesn't want Monk to see?

Monk's agoraphobic brother Ambrose asks for his help, convinced his neighbor has been killed by her husband. But all the husband seems focused on is winning the pies at the local fair.

A T.V. star charms Monk's entire team with the VIP treatment. But Monk is convinced he murdered his wife.

Law student Julie Parlow's grandmother is kidnapped and held for ransom. But they don't have any money, so why did the kidnappers release her? And why did they feed her pizza?

A sniper causes a car accident that nearly kills Stottlemeyer's wife, Karen. Now it's up to Monk to solve the case and keep Stottlemeyer from doing something he might regret.

When Randy's mother marries a guy much younger than she, he gets worried. When they go to some kind of couples retreat, he asks Monk and Sharona to go and keep an eye on her. So to join the group, Monk and Sharona pretend to be married.

When an inmate is poisoned to death hours before he's due to be executed, Monk is brought in to solve the case and finds himself as the prison's newest resident.

Monk and his colleagues travel to New York City to interview someone connected to Trudy's murder. While they are waiting, Monk helps solve the murder of the Latvian ambassador.

Monk is called to a crime scene where a pet seems to be the killer: Ian Blackburn is found in his the panic room, shot four times and his pet chimp holding the weapon. Did the chimp do it?

A blackout puts half of San Francisco in the dark for a few minutes. When the police discover it wasn't an accident, Monk gets involved to try and figure out why.

Karen Stottlemeyer films a documentary of Captain Stottlemeyer's division. Despite the Commissioner's objections, Monk helps solve the case of a headless corpse, a fatal fire at a wig factory, and a hat thief all in one fell swoop.

A mob boss needs Monk's help to figure out who murdered some members of the family. Monk reluctantly takes the case when the FBI offers to help get him reinstated in exchange for the information he gathers.

Sharona takes a break from Monk so that she can concentrate on her creative writing class, but gets caught up in a twisted murder plot that causes her to question her sanity. Meanwhile, Monk is distracted by Sharona's replacement, who is determined to fix him.

Monk goes undercover at a department store to investigate the mysterious death of a popular store employee. In the process he also gains valuable insights into the life of his former partner, who happens to be the store's head of security.

Trudy's father, a game show producer, invites Monk to Hollywood to determine if the host is helping a contestant cheat. Monk has to become a contestant himself in order to clinch the case, as well as to confirm his suspicions about the death of the host's assistant.

A woman commits suicide and minutes later Captain Stottlemeyer is shot nearby. Monk needs to determine if the two events are related, but his new medication has turned him into an obnoxious jerk who can't concentrate on the case.

Sharona's big payday is in jeopardy when Monk believes her uncle was murdered, rather than killed by an accidental fall, and the investigation will test everyone's tempers as Natalie and Sharona mark their territories.

A videotaped clue from Trudy provides Monk with the clues he needs to solve her murder - but he has very little time to catch her killer while finding out what poisoned him.

Sharona takes a break from Monk so that she can concentrate on her creative writing class, but gets caught up in a twisted murder plot that causes her to question her sanity. Meanwhile, Monk is distracted by Sharona's replacement, who is determined to fix him.

Monk is called to a crime scene where a pet seems to be the killer: Ian Blackburn is found in his the panic room, shot four times and his pet chimp holding the weapon. Did the chimp do it?

Sharona's big payday is in jeopardy when Monk believes her uncle was murdered, rather than killed by an accidental fall, and the investigation will test everyone's tempers as Natalie and Sharona mark their territories.

Monk suspects the owner of a notorious playboy magazine is responsible for the death of his CFO, who died alone in a locked room of an apparent accident. So, how did he do it?

When a ringmaster is murdered by an acrobat in a crowded restaurant, Monk suspects his ex wife is responsible. But with her foot broken and in a cast, how could she have done it?

A very tidy woman who resembles Trudy turns Monk's head while he's investigating a triple homicide. The only problem is, she's the prime suspect.

When Randy's mother marries a guy much younger than she, he gets worried. When they go to some kind of couples retreat, he asks Monk and Sharona to go and keep an eye on her. So to join the group, Monk and Sharona pretend to be married.

Monk attends a popular new play starring Sharona's sister Gail. But when Gail appears to stab and kill her costar during the live performance, Sharona calls Monk in to investigate.

When billionaire software magnate Sidney Teal is shot dead by ex-cop Archie Modine after allegedly turning mugger and another policeman mysteriously flees the scene, Stottlemeyer calls in Monk to investigate. Not only is the idea of a billionaire turning mugger hard to swallow, the circumstances of the mugging are suspicious. Why, for example, would a mugger wear knee and elbow pads? Meanwhile, Sharona threatens to quit (this time for sure) when her paycheck bounces, and Stottlemeyer is hounded by reporters demanding information on "Fraidy Cop." Unable to continue the investigation without Sharona's help, Monk returns to the seemingly unsolvable mystery of his wife's murder only to find that his "new" clue isn't new; he's already talked to writer Kelly Street three times. Sharona finds that selling lamps isn't nearly as much fun as working for Monk (with or without money) and comes to the rescue with a new clue involving Teal and Modine.

Monk's paperboy is killed on his doorstep, and the killer takes Monk's paper. So, what's in the paper that the killer doesn't want Monk to see?