8.7/101,268 votes#1 - Extradition: British Columbia
Season 4 Episode 1 - Aired 8/7/2009
Shawn and Gus spot an art thief whom Lassiter has been trying to arrest for years. So, although they are on a skiing vacation in Canada, they appeal to the local constabulary with mixed results: someone gets axed, another finds himself interrogated and Pierre Despereaux may get away scot-free, once again.
Director: Steve Franks
Writer: Steve Franks, Andy Berman
7.8/101,057 votes#2 - He Dead
Season 4 Episode 2 - Aired 8/14/2009
A billionaire hedge fund manager asks Shawn and Gus to find his murderer – a last request Shawn can't resist. So he and Gus step into a world of privilege that's rivaled only by the depths of betrayal it contains.
Director: Michael McMurray
Writer: Saladin K. Patterson
7.9/101,126 votes#3 - High Noon-ish
Season 4 Episode 3 - Aired 8/21/2009
Lassiter reluctantly asks Shawn and Gus for help when his surrogate father, sheriff of Sonora, thinks a ghost is wreaking havoc in his town. And even though this Wild West re-creation town is bigger on show than facts, it turns out a real crime is being planned and the murder of the Sheriff's business rival is only the beginning.
Director: Mel Damski
Writer: Kell Cahoon
8.0/101,136 votes#4 - The Devil's in the Details... and in the Upstairs Bedroom
Season 4 Episode 4 - Aired 8/28/2009
When a college girl at a Catholic university commits suicide, Gus and Shawn are brought in because one of the professors at the school believes the girl was demon-possessed.
Director: John Badham
Writer: Bill Callahan
8.1/101,049 votes#5 - Shawn Gets the Yips
Season 4 Episode 5 - Aired 9/11/2009
After a cop bar is shot up in an apparent robbery during Officer McNab's birthday celebration, Shawn realizes the shooter was actually targeting Lassiter.
Director: Tawnia McKiernan
Writer: Bill Callahan, Kell Cahoon
8.0/101,149 votes#6 - Bollywood Homicide
Season 4 Episode 6 - Aired 9/18/2009
Raj, a young East Indian man whose serious girlfriends have all met with suspicious accidents, is convinced that he is the victim of a curse, but Shawn and Gus aren't buying the supernatural explanation. They are convinced that a mysterious assailant is actually responsible and they're out to catch the culprit.
Director: Jay Chandrasekhar
Writer: Steve Franks, Anupam Nigam
8.6/101,268 votes#7 - High Top Fade Out
Season 4 Episode 7 - Aired 9/25/2009
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.
Director: Stephen Surjik
7.9/101,078 votes#8 - Let's Get Hairy
Season 4 Episode 8 - Aired 10/9/2009
Shawn and Gus attempt to protect Stewart Grumbley from himself because the poor man believes he may be a sheep-killing werewolf who may soon enough begin killing humans.
Director: Andrew Bernstein
Writer: James Roday Rodriguez, Todd Harthan
9.0/101,539 votes#9 - Shawn Takes a Shot in the Dark
Season 4 Episode 9 - Aired 10/16/2009
While investigating a possible crime, Shawn stumbles upon one of a pair of criminals, gets shot, and is dumped in the trunk of a car.
Director: Mel Damski
Writer: Andy Berman
7.9/101,099 votes#10 - You Can't Handle This Episode
Season 4 Episode 10 - Aired 1/27/2010
Abigail is disappointed when Shawn accepts a case at the Army base instead of going on a date with her, but he and Gus are intrigued by a death they believe shouldn't have been ruled a suicide and the thought of working with Juliet's brother.
Director: Mel Damski
Writer: Andy Berman
8.0/101,063 votes#11 - Thrill Seekers and Hell Raisers
Season 4 Episode 11 - Aired 2/3/2010
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.
Director: Mel Damski
Writer: Saladin K. Patterson, Kell Cahoon
8.1/101,052 votes#12 - A Very Juliet Episode
Season 4 Episode 12 - Aired 2/10/2010
In 2003, Juliet made a pact with her boyfriend Scott Seaver to meet up in seven years. After he fails to show up, Shawn finds him, and by extension endangers his life since he was a key witness against mobster JT Waring, who was convicted for the murder of a US Marshall. When Waring denies killing the Marshall, Shawn must prove him right in order to protect Scott.
Director: Steve Franks
Writer: Steve Franks, Tim Meltreger
8.4/101,075 votes#13 - Death Is in the Air
Season 4 Episode 13 - Aired 2/17/2010
Shawn and Gus must recover a deadly pathogen before a thief releases it into the city.
Director: Stephen Surjik
Writer: Bill Callahan, Anupam Nigam
7.5/101,031 votes#14 - Think Tank
Season 4 Episode 14 - Aired 2/24/2010
Shawn and Gus are recruited into a think tank to help prevent the murder of a business tycoon, but once the group has disbanded, they realize that one of the members plans to use the assassination ideas to kill the client instead of save him.
Director: Stephen Surjik
Writer: Steve Franks, Andy Berman
7.9/10996 votes#15 - The Head, the Tail, the Whole Damn Episode
Season 4 Episode 15 - Aired 3/3/2010
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.
Director: Matt Shakman
Writer: Steve Franks, Tim Meltreger
9.4/101,942 votes#16 - Mr. Yin Presents...
Season 4 Episode 16 - Aired 3/10/2010
A serial killer targets Shawn using scenarios from classic Hitchcock films.
Director: James Roday Rodriguez
Writer: Andy Berman, James Roday Rodriguez
The Best Episodes of Psych Season 4
Every episode of Psych Season 4 ranked from best to worst. Discover the Best Episodes of Psych Season 4!
Thanks to his police officer father's efforts, Shawn Spencer spent his childhood developing a keen eye for detail (and a lasting dislike of his dad)....
Genres:ComedyDramaMysteryCrime
Network:USA Network
Season 4 Ratings Summary
"Extradition: British Columbia" is the best rated episode of "Psych" season 4. It scored 8.7/10 based on 1268 votes. Directed by Steve Franks and written by Steve Franks, Andy Berman, it aired on 8/7/2009. This episode is rated 0.9 points higher than the second-best, "He Dead".