Monk's hundredth case, involving a serial killer, is covered by a TV news magazine, but while watching it he realizes that a second unknown killer was responsible for one of the murders.
Monk's hypnotic regression to his childhood begins to affect the case on which he's consulting - an actress who's disappeared, and the holes in her story when she's found after a deadly escape.
Shawn and Gus return to Vancouver to visit their old nemesis Despereaux in prison at the felon's request, who then uses them to escape and pull one last job before he is extradited to the United States.
While on the haunted house ride at Santa Barbara's Scare Fest, Shawn and Gus witness a murder and are soon led to believe the person who committed it is the ghost of a man who fell to his death at Scare Fest 13 years ago.
Amanda wins a guest role on The Young and the Restless and walks right into a murder. Various mishaps occur on the set and lead to some very close encounters.
The death of a popular musician raises suspicious questions. The musician's pregnant wife, who claims to be carrying an alien's child, complicates matters.
Jessica's cousin is left waiting at the church when her fiance is murdered in a similar fashion to a murder 15 years ago for which her brother was blamed.
While Jessica vacations, her nephew and his pregnant wife enjoy house-sitting--until the body of a strange sea-faring man appears on the living room floor.
When Monk's half-brother Jack shows up at his door, he's less than thrilled, especially after learning that Jack has just escaped from prison and is accused of killing a very popular female employee while making his escape.
Shawn and Gus help the SBPD solve a case, but are soon reprimanded for their efforts because they did not follow police procedure. As a result, Chief Vick arranges for them to take a 3 week crash course at the Police Academy.
Shawn's antics cause evidence to be thrown out in the high profile prosecution of a known crime lord named Czarsky, resulting in the dismissal of the entire case and the firings of not only the Psych agency but also of Henry.
After the zoo's polar bear trainer is murdered unexpectedly, officials are quick to point the finger at the polar bear, but Shawn believes the animal to be innocent.
Jane helps a TV show host who was injured in a bridal store's out of control promotion, Judge Owen French forces Grayson to try a case using medieval law. And as Stacy's new TV role goes to her head, Jane is forced to take action.
After convincing the gravely ill sister of a death row inmate to accept his heart for a transplant, Jane must get a judge to bend the rules for execution in order to make it possible; Grayson defends Stacy after she's arrested.
After learning she's been entrusted to take care of her deceased cousin's children, an architect is torn between focusing on her career and honoring her cousin's wish. Starring Danielle C. Ryan, Myko Olivier.
Tara needs to go back to Parable, Montana, the place that made her the happiest, in order to move forward after a messy divorce. Her handsome neighbor presents an unexpected twist. Starring Emmanuelle Vaugier, Kavan Smith.
The Yin/Yang trilogy comes to a thrilling close as Shawn and Gus race to save a woman kidnapped by Yin. Only this time, they are forced to use Yang's knowledge of Yin to solve the case.
