We have an exclusive clip from the upcoming season finale of Psych, entitled An Evening with Mr. Yang, which airs on Friday, February 20 at 10 PM ET on the USA Network. Click below for our exclusive clip which features Shawn explaining his unique methods to Gus.

Shawn's exploits have garnered him fame, if not fortune. Unfortunately, they've also brought him to the attention of the Yin Yang serial killer, and Shawn's mother is his next target.

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