When a realtor is shot and killed while showing off a house to a couple, Monk and Natalie suspect the killer to be the victim's partner - who happens to be Stottlemeyer's girlfriend Linda Fusco.
Monk is on the trail of a man who seems to have committed the perfect crime when he murdered his wife and an intruder, and Natalie worries that Julie's new relationship is progressing too fast.
Monk, in competition with one of Dr. Kroger's other patients, gets conned into helping his son find buried treasure. The problem is, it has ties to a recent bank robbery.
Shawn, Gus, Lassiter, and Woody the coroner wake up in the Psych Office having no recollection of what happened the night before. When a body shows up dead, all leads initially point to our guys as being the culprits.
Lassiter's new relationship with a mysterious and beautiful woman is placed in jeopardy when Shawn and Gus are convinced she is a murderer -- the same murderer responsible for the blood-drained body SBPD is investigating.
Shawn and Gus investigate the whereabouts of a mysterious, masked vigilante named The Mantis who is trying to take down a local drug syndicate called The Caminos.
After the hitting coach of Santa Barbara's minor league baseball team mysteriously drops dead, the team's manager hires Psych to investigate by having Shawn go undercover as the new hitting instructor.
A billionaire accused of murdering his assistant is found not guilty by reason of insanity, therefore causing the SBPD to send Shawn and Gus undercover into the Mental Hospital he is being held.
After a woman tells the SBPD she witnessed a murder happen in broad daylight, Shawn and Gus are the only ones who believe her and therefore protect her by hiding her at a remote commune called Box Canyon Ranch.
Shawn and Juliet's romantic getaway vacation from casework and the SBPD is interrupted when their hotel room is robbed and a dead body surfaces at a nearby winery. Guest Stars: Tony Hale, Jason Priestley, Arden Myrin.
Despereaux, Shawn and Gus race against an evil gang of art thieves to find a mythical dagger that, according to legend, will unlock the hidden treasure of a deceased billionaire. Cary Elwes guest stars.
Birdie and Alden Case find a way to keep the mystery in their marriage alive, literally, when the amateur sleuths are pulled into a murder investigation. Stars Aimee Garcia, Paul Campbell.
After several of her puzzles are linked to the murder of an art gallery owner, a crossword puzzle editor teams up with a no nonsense detective to stop a killer in their midst. Stars Lacey Chabert, Brennan Elliott.
Tess dives into Logan's murder investigation of her friend who was about to propose with her help. As she grows closer to the truth, she fears it could ruin everyone's happily ever after. Starring Lacey Chabert, Brennan Elliott.
During her birthday celebration, Tess and Logan find themselves swept up in a world that isn't always what it seems when the headlining magician at the Magic Manor winds up dead. Starring Lacey Chabert, Brennan Elliott.
When Tess prepares for a crossword challenge against a super computer, the engineer behind it is murdered, spurring her and Logan to seek answers before they become the next victims. Starring Lacey Chabert and Brennan Elliott.
