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Season guide

Psych: Season 4

16 episodes Premiered Aug 7, 2009 Updated Sep 25, 2026

Psych Season 4 continues the overarching saga across sixteen episodes. The series features a fake psychic and real detectives, following Shawn Spencer, who spent his childhood developing his skills thanks to his police officer father's efforts. The program is classified under drama, comedy, and crime genres, and maintains its premise as a television series broadcast on USA Network. While the provided sources note the

Previously on Psych

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Shawn Spencer operates as a fake psychic detective.
  • ⚡ Shawn's childhood development was guided by his police officer father's efforts.
  • ⚡ The series involves real detectives working alongside the protagonist.
  • ⚡ The show incorporates elements of drama, comedy, and crime.

Season overview

Psych Season 4 continues the overarching saga across sixteen episodes. The series features a fake psychic and real detectives, following Shawn Spencer, who spent his childhood developing his skills thanks to his police officer father's efforts. The program is classified under drama, comedy, and crime genres, and maintains its premise as a television series broadcast on USA Network. While the provided sources note the show's general premise and episode count for this specific season, they do not contain further plot details regarding the narrative arc of Season 4, as the available text focuses primarily on the series creation, streaming availability, movie spin-offs, and broadcast history.

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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

25%
75%
Mytharc (4): Crucial lore & season climaxes
Core (12): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Extradition: British Columbia

Aug 7, 2009 · 43 min

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

S4·E2 Mytharc

He Dead

Aug 14, 2009 · 43 min

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 th

S4·E3 Core

High Noon-ish

Aug 21, 2009 · 43 min

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-creat

S4·E5 Core

Shawn Gets the Yips

Sep 11, 2009 · 43 min

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.

S4·E6 Core

Bollywood Homicide

Sep 18, 2009 · 43 min

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 su

S4·E7 Core

High Top Fade Out

Sep 25, 2009 · 43 min

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.

S4·E8 Core

Let's Get Hairy

Oct 9, 2009 · 43 min

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.

S4·E9 Core

Shawn Takes a Shot in the Dark

Oct 16, 2009 · 43 min

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.

S4·E10 Core

You Can't Handle This Episode

Jan 27, 2010 · 43 min

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 rul

S4·E11 Core

Thrill Seekers and Hell Raisers

Feb 3, 2010 · 43 min

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.

S4·E12 Core

A Very Juliet Episode

Feb 10, 2010 · 43 min

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

S4·E13 Core

Death Is in the Air

Feb 17, 2010 · 43 min

Shawn and Gus must recover a deadly pathogen before a thief releases it into the city.

S4·E14 Core

Think Tank

Feb 24, 2010 · 43 min

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 t

S4·E15 Mytharc

The Head, the Tail, the Whole Damn Episode

Mar 3, 2010 · 43 min

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.

S4·E16 Mytharc

Mr. Yin Presents...

Mar 10, 2010 · 43 min

A serial killer targets Shawn using scenarios from classic Hitchcock films.

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