Shawn and Gus investigate the death of Leonald Callahan, aka Diddle, a computer cryptologist who was the baritone in Gus’s old college a capella group.

When Shawn and Gus join Gus’ new girlfriend on a rafting trip, a member of the group goes overboard, but Shawn quickly realizes it was no accident.

After Lassiter takes a page out of Shawn's book and claims a shark attack victim was actually murdered, the guys must then scramble to find the fish and prove him right.

When a woman is found dead with a bottle of pills that are lab trial samples, Lassiter and Gus, who are taking the same tap class, team up to dance their way to catching a murderer

Shawn and Gus get themselves hired onto the case when an unstable lawyer claims his assistant was abducted by aliens.

Shawn has to face serious competition when a talented criminal profiler named Declan Rand comes to Santa Barbara to help solve the murders of donors on a liver-transplant list.

When a polar bear trainer is found dead, Shawn works to prove the bear's innocence.

Shawn stumbles across a dead body at the British consulate's home while working a case to recover a stolen "Star Wars" collector's item. In order to get the police on the case, Shawn claims he had a vision of the murder and puts his reputation as a psychic on the line.

A night of partying which no one remembers that turned deadly sets Shawn, Gus, Woody and Lassiter on the trail of their deeds and a way to clear their names of suspected murder. Unfortunately, they may have to depend on Shawn's "psychic" memories of the night's events.

A body is discovered, and appears to have been killed by a vampire. Meanwhile, Lassiter becomes romantically involved with a woman whom Shawn suspects is the murderer.

When the hitting coach of the Santa Barbara Seabirds suddenly dies, the team's manager hires Shawn and Gus to go undercover as the new coach and mascot in order to investigate.

Shawn and Gus team up with Despereaux to locate a mythical dagger rumored to be the key to unlocking a dead billionaire's treasure.

Lassiter hires Shawn and Gus to get to the bottom of strange occurrences at his new condo.

When the founder of "Right Now", Santa Barbara's oldest at-risk youth program, is shot and almost killed, Shawn, Gus and a few members of Gus's a capella group from college investigate to find the culprit.

The race is on to clear Woody's name and reputation when a mere mortician finds a mistake in the coroner's autopsy.

A body relating to a 20-year-old case is finally found, and Shawn, Gus, and Henry revisit all the old suspects in order to solve the case

After Henry takes a bullet to the chest and is rushed to the hospital, a spiteful Shawn seeks revenge on the shooter and everyone else involved in the scandal.

Shawn and Gus join a pair of college students in the woods who are filming a documentary on Bigfoot.

After Gus is tasked with taking care of his girlfriend's son Maximus for the day, he jeopardizes their relationship when an innocent trip to the circus turns deadly.

The gang spends the weekend at a casino resort for a wedding and crosses paths with a local crime boss whose presence jeopardizes the impending nuptials.

Shawn solves a case involving a mysterious Swedish woman and imagines how the same case would have been solved had he done one thing differently.

Shawn bonds with Woody, and Juliet befriends a girl who Shawn believes to be a killer.

After the Mayor dies in what appears to be a surfing accident, Shawn investigates and ends up running for mayor himself.

After Gus accidentally tampers with the crime where his boss was killed, Shawn helps him find the real murderer before Gus is arrested.

After a woman dies from what appears to be a plastic surgery mishap, Shawn and Gus believe the killer is her doctor, a woman who happens to be an old flame of Henry's.

This musical extravaganza follows Shawn and Gus' search for an escaped playwright who was declared criminally insane following a suspicious fire. Complicating matters, a person who may have important evidence is an enemy from Shawn's past.

A star studded cast of Psych ALL STARS joins our crew as they dive back into 2006 and re-tell the story of Sandra Panitch, a woman wrongfully accused of the murder of local weatherman Jackson Hale.

A man enters the morgue and tells Woody that he was framed for the murder of the person lying dead on the slab. When Woody won’t let him take the body, the man pulls a gun on him and holds Woody hostage in order to get what he wants. Shawn, Gus, Lassiter and Juliet try to resolve the situation calmly and carefully, but Interim Chief Trout has a plan of his own.

Gus is determined to solve the murder of a man whose life was strangely similar to his own. Along the way, Gus hits it off with a beautiful Private Investigator named Emanuelle. Meanwhile, Shawn realizes he's been mooching off of Gus, Henry and Juliet, so he tries desperately to make up for it.

Lassiter is determined to be appointed Chief of Police, so he sets out to prove himself worthy of the job by solving the murder of the Mayor’s beloved uncle, Archie Baxter, who was killed back in the 60s but the case was never solved. Meanwhile, Juliet receives some news that tests her relationship with Shawn.

Shawn is ecstatic when he discovers he’s finally been invited to a prestigious paranormal convention for police consultants. As the main event begins, the leader collapses on stage, and it is clear he has been murdered. All of the police consultants on the panel jump to solve the murder, and everyone’s unorthodox crime solving skills are put together to catch the culprit.

Gus' nightmares start to feel like reality when he and Shawn work to solve an unlikely case for the SBPD.

Shawn and Gus help Detective Lassiter enlist the help of Henry and Woody to solve the murder of a real estate executive. Meanwhile, Shawn struggles with a life decision.