Psych - Season 6 Episode 1 Shawn Rescues Darth Vader Fake psychic. Real detectives.
Overview: Shawn stumbles across a dead body at the British consulate's home while working a case to recover a stolen "Star Wars" collector's item. In order to get the police on the case, Shawn claims he had a vision of the murder and puts his reputation as a psychic on the line.