Ep 9. Mr. Monk is Up All Night

In Monk season 6 episode 9, titled "Mr. Monk is Up All Night," Adrian Monk finds himself unable to sleep due to an upcoming speech he is set to deliver. As a result, he spends the entire night investigating a murder case involving a former assistant city councilman named Roger Murdock.

Despite the fact that the case has been closed for several years, Monk becomes convinced that Murdock was actually innocent and sets out to uncover the truth. Along the way, he enlists the help of his assistant, Natalie, as well as Captain Stottlemeyer and Lieutenant Disher, who are initially hesitant to reopen the case.

As Monk delves deeper into the investigation, he begins to uncover new evidence that suggests Murdock's innocence. However, with time running out before his speech, Monk must work quickly to gather enough evidence to exonerate Murdock and solve the murder before it's too late.

Throughout the episode, Monk's lack of sleep and obsessive behavior take a toll on his mental and physical health. At one point, he becomes so delirious that he hallucinates that a bag of potatoes is his arch-nemesis, Dr. Kroger.

Despite these setbacks, Monk remains determined to crack the case and clear Murdock's name. In the end, his tireless efforts pay off and he successfully uncovers the real killer, exonerating Murdock once and for all.

Overall, "Mr. Monk is Up All Night" is a thrilling and suspenseful episode that showcases the brilliance of Adrian Monk's detective skills, even when he's operating on little to no sleep. It also highlights the toll that his obsessive-compulsive disorder can take on his mental and physical health, adding a new layer of complexity to the character.