Psych: Season 2, Episode 3

2 - 3: Psy vs. Psy

Shawn may have met his match when an FTD (Federal Treasury Department) agent (Lou Diamond Phillips) brings in a female "psychic" (Bianca Kajlich) to solve a counterfeiting case, but after an attraction develops between the two, Shawn manages to solve the case and prove himself as the 'true' psychic.