Penn & Teller: Bullshit!

Lie Detectors

Directed by Star Price
TV-MA
S7 • E5    Jul 22, 2009    30m
8.3
Polygraphs are used in thousands of investigations and job screenings. Can a machine really detect whether someone is lying? Penn & Teller will meet people whose lives were ruined by the faulty tests.

Where to Watch Lie Detectors

Cast of Lie Detectors

  • TellerHimself
  • Penn JilletteHimself
  • Gabrielle Dennis
  • Star PriceDirector
  • Randall MoldaveWriter
  • Eric SmallWriter
  • Kelly RauschProducer
  • Alex WaltonProducer
  • Jeff ZoldanProducer

 

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