Penn & Teller: Bull! · SEASON 7

Lie Detectors

Episode 5 · 2009-07-23

★ 8.3
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Penn & Teller: Bull! poster
Season 7Episode 5★ 8.3/10
  • Comedy
  • Documentary

Episode overview

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.

30 minutes

Season 7 episodes

1. Orgasms2009-06-25 2. Astrology2009-07-02 3. Video Games2009-07-09 4. The Apocalypse2009-07-16 5. Lie Detectors2009-07-23 6. Organic Food2009-07-30 7. Taxes2009-08-06 8. Lawns2009-08-13 9. Stress2009-08-20 10. The Vatican2009-08-27