Season Four of Psych consists of 16 episodes and originally aired in the United States on USA Network from August 7, 2009 to March 10, 2010. The season DVD was released on July 13, 2010.
Production[]
Steve Franks remained in his position of showrunner, and "I Know, You Know", performed by The Friendly Indians, continued to be used as the theme song, though it was modified twice: in "Bollywood Homicide" the song was given a Bollywood theme with the lyrics sung in Hindi, while Boyz II Men performed an a cappella version for "High Top Fade-Out".
Mel Damski returned to direct four episodes, while Stephen Surjik returned for three and Steve Franks helmed two. Returning to direct one episode each were John Badham, Jay Chandrasekhar, Michael McMurray, James Roday Rodriguez, and Matt Shakman. Andrew Bernstein and Tawnia McKiernan each joined the show to direct one episode.
Steve Franks wrote five episodes, while Andy Berman wrote four and Kell Cahoon, Saladin K. Patterson, and James Roday Rodriguez wrote three. Returning for two episodes each were writers Tim Meltreger and Anupam Nigam. Bill Callahan and Todd Harthan joined the writing team, with Callahan writing three episodes, and Harthan writing one.
Cast[]
James Roday Rodriguez continued to play fake psychic detective Shawn Spencer, and Dulé Hill returned as his partner Burton "Gus" Guster. Timothy Omundson returned as Head Detective Carlton Lassiter, while Maggie Lawson continued to portray Junior Detective Juliet O'Hara. Corbin Bernsen was kept on as Henry Spencer, and Kirsten Nelson continued in her role as SBPD Chief Karen Vick.
Sage Brocklebank continued to portray Officer Buzz McNab. Liam James and Carlos McCullers II continued in their roles as young Shawn and Gus, respectively. Rachael Leigh Cook appeared in four episodes as Abigail Lytar. Kurt Fuller made his Psych debut as coroner Woodrow Strode and appeared in three episodes. Ally Sheedy made her second appearance as Mr. Yang, becoming the first villain on the show to appear in more than one episode. Jimmi Simpson made his second appearance as Mary Lightly, and Chris Turner entered as the chaotic, mysterious Mr. Yin, another deranged killer. Cary Elwes made his first appearance as art thief Pierre Despereaux, and Peter Oldring and Ed Lauter were seen as Canadian officers. Ray Wise made his first appearance as Father Peter Westley. Jaleel White made his first appearance as Tony Clemon, Gus's former band mate.
Other notable guest stars included Christine Baranski, Jim Beaver, Josh Braaten, James Brolin, John Cena, Jay Chandrasekhar, Tim Conlon, Bruce Davison, Cullen Douglas, Deanna Dunagan, Miguel Ferrer, Azita Ghanizada, Ernie Grunwald, John Hawkes, Sandra Hess, Michael Hogan, Scott Holroyd, Steve Howey, Stacy Keibler, Alexandra Krosney, Stephen Lang, Joshua Malina, David Naughton, Judd Nelson, Larisa Oleynik, Robert Patrick, Sendhil Ramamurthy, Lisa Ray, Michael Rooker, Jeri Ryan, Chris Sarandon, Sarah Shahi, Craig Sheffer, Kenan Thompson, Tony Todd, Beverley Turner, Arnold Vosloo, and Tom Wilson.
Episodes[]
| Screenshot | Title | Air Date | # | |
| Extradition: British Columbia | August 7, 2009 | 48 | ||
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Shawn and Gus come across an elusive international art thief while vacationing in Canada. | |||
| He Dead | August 14, 2009 | 49 | ||
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When a billionaire crashes his small plane in the woods, Shawn and Gus join the search to find the wreckage, but they arrive only in time to hear his last words – he was murdered. | |||
| High Noon-ish | August 21, 2009 | 50 | ||
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When strange things start happening at a simulated Old West tourist attraction that threaten to shut it down permanently, Lassiter enlists Shawn and Gus's help to uncover the truth and keep a part of his childhood open. | |||
| The Devil Is in the Details... and the Upstairs Bedroom | August 28, 2009 | 51 | ||
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A priest and former teacher to Shawn and Gus calls them for help when he believes an apparent suicide was in fact the work of the devil. | |||
| Shawn Gets the Yips | September 11, 2009 | 52 | ||
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After a cop bar is shot up in an apparent robbery, Shawn realizes the shooter was actually targeting a member of their softball team. | |||
| Bollywood Homicide | September 18, 2009 | 53 | ||
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A man needs Shawn and Gus's help to lift a curse on him that seems to put all of his girlfriends in mortal danger. | |||
| High Top Fade-Out | September 25, 2009 | 54 | ||
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Gus must team back up with his estranged college singing buddies when a member of their old quartet is murdered. | |||
| Let's Get Hairy | October 9, 2009 | 55 | ||
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An eccentric man believes he is a werewolf and enlists Shawn and Gus to help protect society against him. | |||
| Shawn Takes a Shot in the Dark | October 16, 2009 | 56 | ||
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Shawn's life hangs in the balance when, while working on a case involving an ice cream truck, he stumbles onto something bigger and far more deadly. | |||
| You Can't Handle This Episode | January 27, 2010 | 57 | ||
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Shawn tangles with the Army when he claims that a private's suicide was actually murder, and suspects Juliet's former military/current mercenary brother is involved. | |||
| Thrill Seekers and Hell Raisers | February 3, 2010 | 58 | ||
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When Shawn and Gus join Gus's new girlfriend on a rafting trip, a member of the group is lost overboard and Shawn quickly realizes it was no accident. | |||
| A Very Juliet Episode | February 10, 2010 | 59 | ||
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When Juliet asks Gus to help her track down an old boyfriend, she inadvertently exposes a dark and closely guarded secret. | |||
| Death Is in the Air | February 17, 2010 | 60 | ||
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Shawn and Gus must recover a deadly pathogen before a thief releases it into the city. | |||
| Think Tank | February 24, 2010 | 61 | ||
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Shawn and Gus are recruited into a think tank to prevent the murder of a business tycoon, but afterwards they realize that one of the members plans to use the assassination ideas they brainstormed to kill the client instead. | |||
| The Head, the Tail, the Whole Damn Episode | March 3, 2010 | 62 | ||
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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 creature and prove him right. | |||
| Mr. Yin Presents... | March 10, 2010 | 63 | ||
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A killer targets Shawn using scenarios from classic Hitchcock films. | |||
| Season Four | ||||
Opening Credits[]
