510: Extradition Ii: The Actual Extradition
Shawn and Gus return to Vancouver to visit their old nemesis Despereaux in prison at the felon's request, who then uses them to escape and pull one last job before he is extradited to the United States. Only while he is out, he is framed for the murder of a Crown Attorney and now asks the guys for help clearing his name of this most recent and frankly unseemly charge.
512: Dual Spires
Shawn and Gus receive a mysterious email inviting them to the Cinnamon Festival in Dual Spires, a quirky small town nearly invisible on a map. They arrive to find themselves embroiled in the mystery of the drowning death of a teenage girl who was declared dead under similar circumstances seven years ago in Santa Barbara.
513: We Would Like To Thank The Academy
Shawn and Gus help the SBPD solve a case, but are soon reprimanded for their efforts because they did not follow police procedure. As a result, Chief Vick arranges for them to take a three-week crash course at the Police Academy, but in true Shawn and Gus fashion, they end up resorting back to their rogue investigation styles regardless.
514: The Polarizing Express
Shawn's antics cause evidence to be thrown out in the high profile prosecution of a known crime lord named Czarsky, resulting in the dismissal of the entire case and the firings of not only the Psych agency but also of Henry as their liaison. After Henry wonders to Shawn what life would have been like in Santa Barbara if he had never returned, Shawn travels through a series of dreams which answer that question and aid him in discovering a new way to bust Czarsky for good.
515: Dear Bear Walking
After the zoo's polar bear trainer is murdered unexpectedly, officials are quick to point the finger at the polar bear, but Shawn believes the animal to be innocent, resulting in Shawn becoming an advocate for the bear and embarking on a desperate search for the real murderer.