Penn & Teller: Bullshit!

Lie Detectors

Season 7, Ep 5, Aired 7/23/09
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  • Episode Description
  • Polygraphs are used in thousands of investigations and job screenings, but can a machine really detect whether someone is lying? Penn and Teller meet people whose lives were ruined by faulty lie-detector results.

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  • Trivia & Quotes
  • Allusions (1)

    • The woman strapped into a chair and hooked up to a polygraph is dressed as Wonder Woman. One of the psychiatrists who helped develop the polygraph was William Moulton Marston, who also created Wonder Woman.

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