Gus and Shawn are on the case in this Psych scene. It is courtesy of the Season 7 finale.
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Lassiter and Shawn don't take it well when they are questioned about a difficult case on Psych. "No Trout About It" is the 14th episode of the show's seventh season.
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Psych Season 7 Episode 14 Quotes

Henry: What kind of idiot drives down a public pathway?!
Shawn: Hey, that's my dad. HEY DAD!

Don't hit any humans!

Shawn