Season 8 (2010)
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Episodes 10
Cheerleaders
In the Season Eight premiere, it's as all-American as apple pie, but cheerleading is also responsible for 65% of all catastrophic female sport injuries, with competitive coaches, fanatic parents, and a multimillion dollar industry concerned with its bottom line.
Read MoreMartial Arts
Thanks to centuries of Eastern mystique, the martial arts may appear spiritual and special. The mischievous magicians take a more skeptical look at a bunch of guys in pajamas breaking boards with their feet and overweight housewives learning to "defend" themselves.
Read MoreEasy Money
Everyone wants to get rich quick, but are multilevel marketing schemes really the answer? Penn & Teller reveal the truth about direct-sales companies that market everything from sausages to sex toys.
Read MoreCriminal Justice
Is America's criminal justice system weighed down with bad science, ineffective methods, incompetence and corruption? Penn & Teller set out to reveal that the only thing scarier than crime is America's war on crime.
Read MoreOld People
According to Penn and Teller, America's seniors are stripped of their dignity thanks to ongoing stereotypes about old people. They investigate the widespread beliefs that old people can't drive, don't have sex, and smell bad.
Read MoreSelf-Esteem
Research has proven that self-esteem-building does not work. However, misguided parents, coaches and social workers are using this flawed technique to create a generation of narcissistic losers who believe that they are "special."
Read MoreVaccinations
In the Season 8 finale, vaccination is considered modern medicine's greatest weapon against disease but thanks to pseudo-science and public gullibility, the debate over vaccination safety rages on.
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