Episode List: 2009-2010 Edit
|150px||Extradition: British Columbia||Writer: Steve Franks & Andy Berman||Director: Steve Franks||08/07/09||#48 401|
|Shawn and Gus meet an elusive international art thief, while skiing in Vancouver, and discover he's not what he seems.
|150px||He Dead||Writer: Saladin K. Patterson||Director: Michael McMurray||08/14/09||#49 402|
|Shawn and Gus discover the fresh wreckage of a plane crash that killed a billionaire, whose dying words indicate he was murdered.
|150px||High Noon-ish||Writer: Kell Cahoon||Director: Mel Damski||08/21/09||#50 403|
|An Old West tourist attraction is plagued by a series of strange events threatening to shut it down. In hopes of saving it, Lassiter asks Shawn and Gus to look into the odd occurrences.
|150px||The Devil's in the Details ... And in the Upstairs Bedroom||Writer: Bill Callahan||Director: John Badham||08/28/09||#51 404|
|Shawn and Gus are recruited by their former Catholic school teacher to investigate a student's suicide, which he believes is the work of the devil.
|150px||Shawn Has the Yips||Writer: Kell Cahoon & Bill Callahan||Director: Tawnia McKiernan||09/11/09||#52 405|
|Shawn thinks a shooter is deliberately targeting Lassiter after a robbery at a police bar ends in gunfire.
|150px||Bollywood Homicide||Writer: Steve Franks & Anupam Nigam||Director: Jay Chandrasekhar||09/18/09||#53 406|
|A man thinks he's cursed after several of his former girlfriends meet grim fates, and he asks Shawn and Gus to investigate.
|150px||High Top Fade Out||Writer: Saladin K. Patterson & James Roday||Director: Steve Surjik||09/25/09||#54 407|
|A member of Gus' college a cappella group is murdered. When the group reunites, they are able to decipher an encrypted message that could pinpoint the killer.
|150px||Let's Get Hairy||Writer: James Roday & Todd Harthan||Director: Andrew Bernstein||10/09/09||#55 408|
|Shawn and Gus help a man who claims he's a werewolf and believes he's dangerous to the public.
|150px||Shawn Takes a Shot in the Dark||Writer: Andy Berman||Director: Mel Damski||10/16/09||#56 409|
|While working on an ice cream truck case, Shawn makes a shocking discovery that could put his life at risk.
|You Can't Handle This Episode||Writer: Andy Berman||Director: Mel Damski||01/27/10||#57 410|
|Shawn thinks a soldier's suicide was really murder and soon comes to suspect that Juliet's mercenary brother was involved in the killing.
|Thrill Seekers & Hell Raisers||Writer: Saladin K. Patterson & Kell Cahoon||Director: Mel Damski||02/03/10||#58 411|
|Shawn suspects foul play when a rafter goes overboard during a river-rafting outing with Gus' adrenaline-junkie girlfriend.
|A Very Juliet Episode||Writer: Steve Franks & Tim Meltreger||Director: Steve Franks||02/10/10||#59 412|
|Juliet recruits Gus to help her locate an old boyfriend, a search that ends up revealing a closely guarded secret.
|Death Is in the Air||Writer: Bill Callahan & Anupam Nigam||Director: Stephen Surjik||02/17/10||#60 413|
|Shawn and Gus try to recover a stolen lethal pathogen, which could be released in the city by the thief.
|Think Tank||Writer: Steve Franks & Andy Berman||Director: Stephen Surjik||02/24/10||#61 414|
|Shawn and Gus join a think tank designed to protect a tycoon from assassination plots. After the group disbands, they realize one of the members was using the meetings to plan an attack on the tycoon.
|The Head, the Tail, the Whole Damn Episode||Writer: Steve Franks & Tim Meltreger||Director: Matt Shakman||03/03/10||#62 415|
|Lassiter suspects that a shark-attack victim was really murdered and announces it to the press, in an attempt to "out-Spencer" Shawn Spencer.
|Mr. Yin Presents ...||Writer: Andy Berman & James Roday||Director: James Roday||03/10/10||#63 416|
|A would-be murderer makes deadly plans for Shawn that are modeled after classic Hitchcock films.
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