Penn & Teller: Bull!

Season 7 Episode 5: Lie Detectors

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.

Genre:

Comedy, Documentary

Seasons:

8

Episodes:

89

Actor:

Teller, Penn Jillette

Quality:

HD

Status:

Ended

First Air:

2003

IMDb:

7.7