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

The episode was rated 7.64 from 239 votes.

Monk must confront his prejudice against nudists when he's called to investigate a murder on a nude beach.

The episode was rated 7.63 from 190 votes.

Monk knows that a local furniture magnate threw his young mistress off the balcony of her 21st floor apartment. However, the man has a perfect alibi: he was across town running in a citywide marathon.

The episode was rated 7.62 from 259 votes.

Monk becomes a social pariah when he shoots a man dressed as Santa Claus. Then he must clear his name and foil a larger criminal plot, all in time for Christmas.

The episode was rated 7.62 from 177 votes.

Monk digs up trouble after following a treasure map brought to him by Dr. Kroger's son Troy.

The episode was rated 7.61 from 189 votes.

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 polygraph...

The episode was rated 7.61 from 209 votes.

During the investigation of a murder in a junkyard, Captain Stottlemeyer punches a cop named Ryan Sharkey, who claims to be having an affair with the captain's wife, Karen. The only witness to the murder, a homeless man named Gerald or Jerry, has disappeared, but Stottlemeyer suspects businessman Michael Karpov, who is facing charges for money laundering and had a motive for killing the victim, who was scheduled to testify against him. Removed from the case and ordered to take anger management classes, Stottlemeyer asks Monk and Natalie to follow his wife, whom he suspects of lying about her whereabouts. They discover Karen having lunch with a man but are only able to photograph him from the back before being interrupted. Meanwhile, the homeless witness has been stunned and thrown from the third floor of a building but survives the fall, thanks to a corrugated refrigerator carton. Disher places Karpov in a line-up otherwise composed of police officers, including Sharkey, but Stottlemeyer, still enraged at Sharkey, disrupts the line-up before the procedure has been completed. An apple provides the clue that Monk needs to solve the murder case, and Karen reveals the identity of the mystery man she had lunch with. Unfortunately for the captain, it isn't Sharkey.

The episode was rated 7.61 from 201 votes.

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.

The episode was rated 7.57 from 185 votes.

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.

The episode was rated 7.51 from 202 votes.

After the attempted murder of a former child star from Monk's favorite show, Monk accept the job as her bodyguard.

The episode was rated 7.45 from 209 votes.