第 3 季 共 16 集
播出时间：2008年7月19日
第 1 集 Ghosts
播出时间：2008年7月19日
Gus' supervisor, Frankjim Ogletree, demands that he quit moonlighting at Psych, lest he face termination. The vice-president of Gus' pharmaceutical company, however, decides to hire the duo as his wife believes that their home is haunted.
第 2 集 Murder?... Anyone?... Anyone?... Bueller?
播出时间：2008年7月26日
Shawn and Gus attend their high school reunion. Shawn sees a body fly past a window, but on further inspection the body has vanished. When Gus assumes the worst, and Lassiter refuses to help, Shawn seeks assistance from Juliet.
第 3 集 Daredevils!
播出时间：2008年8月2日
Shawn and Gus get hired by the son of daredevil Dutch "The Clutch" Jenkins. They have to figure out what's going on, after "accidents" keep happening to The Clutch.
第 4 集 The Greatest Adventure in the History of Basic Cable
播出时间：2008年8月9日
Henry's brother, Jack, claims that he has a map that leads to buried treasure. Shawn and Gus assist Jack in his search for the treasure, but it turns out that Jack has got more going on than meets the eye.
第 5 集 Disco Didn't Die. It Was Murdered!
播出时间：2008年8月16日
Eugene Franks, arrested by Henry in 1978 for plotting to bomb the SBPD, is released after his conviction is quashed by the D.A. When Shawn is instructed to solve the case, his father insists on helping him; however, the case is not as clear cut as he once thought.
第 6 集 There Might Be Blood
播出时间：2008年8月23日
Shawn and Gus investigate the death of a safety inspector aboard an offshore oil rig. The investigation is complicated by the commander of the coast guard, Barbara Dunlap, Chief Vick's sister.
第 7 集 Talk Derby to Me
播出时间：2008年9月6日
A surveillance tape from the latest robbery in a string of break-ins leads Shawn to believe that women are the culprits. He futher narrows the suspects down to a local roller derby team and suggests that in order to pinpoint the people responsible, Juliet needs to go undercover as a member of their team. Though it's technically her investigation, Shawn can't help getting involved in the case.
第 8 集 Gus Walks Into A Bank
播出时间：2008年9月13日
Gus is taken hostage at the Santa Barbara Savings and Loan Bank while making a deposit for Shawn.<br />
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Shawn, still in the car and oblivious to the hostage situation, questions Lassiter and Juliet about the cops' sudden arrival. Learning that his best friend is in trouble, Shawn is desperate to help and realizes he needs to get inside the bank to question the gunman. However, the SWAT team soon shows up, and its negotiator will not easily satisfy Shawn's request.
第 9 集 Christmas Joy
播出时间：2008年11月29日
Shawn and Gus investigate a department store Santa who they suspect is up to no good. Meanwhile, Gus' sister flies in for Christmas.
第 10 集 Six Feet Under the Sea
播出时间：2009年1月10日
When Shabby the sea lion is found dead after being released into the wild, Shawn sets out to prove it was murder and stumbles onto a bigger mystery.
第 11 集 Lassie Did a Bad, Bad Thing
播出时间：2009年1月17日
Shawn and Gus must prove Lassiter's innocence when he's on the hook for a murder inside of the Santa Barbara Police Department.
第 12 集 Earth, Wind and... Wait for It
播出时间：2009年1月24日
Shawn and Gus join up with a local firehouse to prove a series of arsons are more than they seem.
第 13 集 Any Given Friday Night at 10PM, 9PM Central
播出时间：2009年1月31日
Shawn and Gus go undercover at a professional football training camp when the foot of the team's missing kicker is discovered.
第 14 集 Truer Lies
播出时间：2009年2月7日
Shawn and Gus must prove a pathological liar is telling the truth in order to stop an assassination plot.
第 15 集 Tuesday the 17th
播出时间：2009年2月14日
Shawn and Gus are hired by a childhood friend to find a missing camp counselor who disappeared near their old sleep-away campgrounds. Upon their arrival, spooky activity abounds and they must uncover if the dark past of the abandoned camp has come back to life.
第 16 集 An Evening With Mr. Yang
播出时间：2009年2月21日
After eluding capture and disappearing eight years ago, the famed Yin Yang serial killer is back, and he's set his sights on Shawn.
