When his neighbor's child plays the piano too loud, Monk decides it's time to move.

Monk has to help out Natalie when she becomes involved in a lotto scandal.

Monk finds a new lease on life after giving up his hope of reinstatement to the SFPD.

A former friend of Mitch's dies in a locked room aboard a submarine and everyone cries suicide. When Monk and the crew investigate, the ship suddenly descends and Monk finds himself trapped on-board, underwater.

After Monk seeks a new form of therapy (hypnosis), he finds himself reverting to his 9-year old personality.

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.

While investigating a murder at a museum of oddities, Monk befriends a warm older woman, but he has trouble believing the friendship comes without a catch.

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.

Monk becomes involved in the disappearance of a city official that could have ramifications concerning Trudy's murder.

Monk's phobias threaten to undermine a big murder case when an aggressive defense attorney targets the detective's unconventional methods in court.

When Monk's insurance company refuses to pay for more individual therapy sessions, Monk joins Dr. Bell's therapy group, where somebody appears to be murdering his fellow patients.

Monk finds his return to the police force to be more challenging than he expected when he becomes involved in the case of a serial killer.

Monk is called to a crime at the location where he first heard the news of his wife's murder and begins the most important investigation of his life.

Monk pursues the killer of his wife.