The theft of a priceless artifact from a Mexico City museum leads Jessica into a labyrinth of clues, where murder is the fact behind the Mask of Montezuma.
While on vacation at a resort, Benjy claims he witnessed a murder. Monk believes him, but with no body and the cleanest crime scene Monk has ever seen, it's going to be hard to convince everybody else.
Renowned philanthropist Henry Rutherford is killed when a minor earthquake rocks the city and sends a display case falling on top of him. But when Monk examines the scene, he finds clues that suggest foul play.
When a drunken and depressed Lassiter confesses to Shawn that he has doubts about the death by "natural causes" of an astronomer, Shawn sets out to secretly prove the detective right in order to boost his morale.
As a joke, Lassiter sticks Shawn with a case where a man shows up naked at the police station claiming to have been abducted by aliens, but Shawn's investigation soon takes in him into an even stranger universe: speed dating.
When a photo shop erroneously sends Dr. Sloan the wrong set of photographs, he becomes embroiled in the murder investigation of an escort girl. Meanwhile, Amanda's baby is about to come to term.
Dr. Sloan is drawn into a murder pact by a psychiatrist in need of money. The psychiatrist kills a woman pestering Dr. Sloan, expecting Mark to eliminate his "problem".
When English teacher Beth Landow falls from the clock tower at Trudy's former high school, Monk is called in and quickly disproves the police theory of suicide.
Monk is sent to Mexico to investigate the strange case of a young man who drowned in mid-air during a parachute drop. Monk is more concerned that he can't get his favorite spring water.
Before the Psych Agency can begin to investigate the disappearance of an up-and-coming tennis star, Shawn must first retrieve Gus from a corporate retreat, and they soon realize things are not always as they appear.
Henry's old friend Bill Peterson refuses to call the police after his wayward son steals from him and then goes missing, which forces Henry to go find help in the last place he ever wanted to visit --- the Psych office.
Shawn and Gus step into a real-life urban legend, as they investigate a death suspiciously like the tale of "Scary Sherry," who met her untimely end at the now haunted Wispy Sunny Pines mental institution.
Jane fights to stop a drug company from discontinuing the drug trial that is keeping an eight-year-old cancer patient alive. Kim represents a high school friend whose vengeful ex has posted nude photos of her on the Internet.
Old Jane returns to enlist Jane in a death row appeal that was dropped when she died. Meanwhile, Grayson and Kim represent a mattress salesman who was fired for wearing women's clothes at work.
Colorado caterer Goldy Berry teams with detective Tom Schultz to identify the ingredients that led to the mysterious death of her friend — and ends up discovering a hidden recipe for murder. Stars Nikki Deloach and Andrew Walker.
Caterer Goldy Berry reunites with detective Tom Schultz when a realtor is murdered. As they uncover personal and professional rivalries, they realize the culprit is closer than expected. Stars Nikki DeLoach, Andrew Walker.
