A surprising link to his late wife's past helps Adrian to solve her murder and move on to a better future as his friends' lives begin to change.
After the attempted murder of a former child star from Monk's favorite show, Monk accepts the job as her bodyguard.
While investigating the puzzling, high profile murder of a maid whose assailant apparently tried to treat her wounds, Monk finds himself increasingly drawn to another case involving a visiting African man investigating his beloved wife's hit-and-run death.
Monk must uncover the link between a missing girl and a UFO sighting after Natalie's car breaks down in a small desert town.
Monk assumes the identity of a dead hit man in an effort to foil an assassination plot.
Monk's phobias threaten to undermine a big murder case when an aggressive defense attorney targets the detective's unconventional methods in court.
Natalie becomes convinced a critic who panned her daughter Julie's theatrical performance was responsible for a murder at the same time as the show.
Voodoo appears to be the only explanation when unmarked dolls sent to San Francisco residents accurately predict a series of inexplicable deaths -- including, perhaps, Natalie's.
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.
Natalie tries to throw a surprise birthday party for Monk while he investigates the mysterious death of an office building's maintenance man.
When Sharona returns to San Francisco to handle legal issues related to an uncle's death, Monk suspects foul play and finds himself torn between the differing styles of Sharona and Natalie.
Monk reluctantly adopts a dog while looking into the suspicious disappearance of its owner.
To woo the lone holdout on the reinstatement committee, Monk accompanies Lt. Disher on a scouting trip with the man's troublesome son -- where nature isn't the only thing the troop has to fear.
In order to save the wedding of someone close to him, Monk must first find out who is trying to sabotage it and why.
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.