Psych Preview: Going Mental

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From the baseball diamond to the cuckoo's nest...

Psych will take viewers inside a mental hospital on Wednesday night, as Molly Ringwald guest stars on "Shawn Interrupted." The episode will focus on Shawn and Gus' task of proving that a supposedly crazy billionaire is actually sound of mind.

Will they succeed? And how hilarious will they be along the way? Watch the official USA preview now.

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