In episode 610, the sixth season finale, the merry myth-shatterers puncture the nostalgic but unrealistic tendency of humans to long for an idyllic past - one that, in truth, never really existed.

Penn and Teller visit Congress to discuss the bullshit which is America's complex, unfair tax system.

We'll go to a hearing in NYC, where the dangers of second-hand smoke, and legislating human behavior, is being hotly debated and stage a hidden-camera sting that shows just how rabid people are about this topic. Also, a look at smart videos, teaching babies to read, the "Baby Whisperer," and the baby product industry that preys on guilt ridden parents with money to burn.

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.

On the season seven premiere, Penn and Teller expose the 'Bullshit' behind the people who market and exploit other gullible people by treating them with unorthodox methods to achieve orgasms. Featuring undercover at a 'sex class', interview with the inventor of a 'remote control' orgasm machine, and other segments.

Every generation worries about teen sex, but today's parents are more hysterical than ever. The duo will look at the drastic measures adults are taking to combat the perceived dangers of teenage promiscuity, "sexting," and gay-straight alliances.

Penn & Teller reveal truths about the Obesity epidemic. A visit to an Obesity conference exposes the uncomfortably cozy relationships between the medical establishment, the diet companies and the weight loss industry. An advocacy group for overweight people tells us about the hardships and discrimination brought about by their weight. Plus, the first-ever Penn & Teller 'Fat Guy Olympics.'

In episode 609, Penn and Teller go on a logic spree with their argument that the utopian ideal of world peace is dangerously naive and out of sync with human nature.

Hold on to your cheeseburger! Public Health agencies, food activists and special interest groups have launched an all-out war against fast food restaurants. Should the government really be spending our tax dollars to regulate what, where, and how we eat?

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."

BULLSHIT takes its cameras inside the world of extreme pet lovers where we'll meet reptile enthusiasts, show-cats and their owners, and a man who claims to have revolutionized veterinary medicine. We'll visit a woman who shares her home with 25 cats and an artist who creates pet memorials that will blow you away. We'll even get all scientific and figure out why we are biologically attracted to puppies and kittens. Finally, we'll get to the bottom of the diseases our four legged, fine-feathered friends are spreading, like West Nile Virus and Monkeypox. Go ahead love your pet if you feel like it. But c'mon, let's draw the line at rubbing noses and swapping saliva... Now that's doggy BULLSHIT!

Penn & Teller look at women's breasts and society's response to them. In New York City, we meet a young mother who inadvertently tested corporate tolerance for breast-feeding in public. Further south, in Daytona Beach, Florida, we meet a woman who challenged the rights to flash her breasts in public. We also meet a breast cancer survivor who is not a supporter of those ubiquitous Pink Ribbons. And, down in the valley of porn, we find a topless porn star/mother of two who philosophizes on the benefits of the La Leche League.

In episode 603, it's time to take a closer look at the National Aeronautics and Space Administration, a government agency that spends scads of taxpayer money to achieve what private industry might be able to do more profitably and efficiently.

Penn and Teller investigate the lawn care industry, talk to a man whose unkempt lawn landed him in prison and visit a neighborhood where only one strain of grass can be grown.

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.

Is the government hiding alien spaceships? Follow a team of UFO hunters on an overnight expedition in search of mysterious aircraft flying above a secret military facility known as Area 51.

Here Penn & Teller explore the truth behind fears about global warming, air quality, water quality, acid rain, species extinction, and take a look at Greenpeace's activities.

In episode 604, the cultural mumbo jumbo regarding dolphins is exposed, including New Age-style beliefs about the animals' evolutionary superiority (bunk, say dolphin experts) and the nonsense about dolphin "energy" believed by many.

Penn and Teller take a skeptical view of stress and how the modern man feels the need to "cure" what should be considered a normal, everyday part of life.

They say numbers don't lie, but in the hands of the media, politicians, pollsters and salesmen, numbers can be downright subversive. BULLSHIT meets the author of Damned Lies and Statistics - he tells us how numbers are craftily manipulated based on political affiliation and agenda. The numerically ambiguous world of Vacation Time Shares leaves our undercover operative dazed and confused. We also take street cons to Las Vegas - a town built on Numbers - and reveal how readily most of us can be cheated. And we look into the bullshit behind political polls, gambling odds and state lotteries. Source: http://www.sho.com/site/ptbs/prevepisodes.do?episodeid=s4/numbers

In episode 605, the magicians think twice about the high cost of getting a good night's sleep due to the ever-growing industry of sleep product hawkers trying to convince consumers that a special pillow, mist machine or pill will deliver a magical rest.

The business of hair is a billion dollar industry. People who don't have it, want it. People who have it in the wrong spots, want to get rid of it, or move it to other areas of their anatomy. Hair unites the genders. We're all obsessed with it. From the tops of our heads to the nooks and crannies down below, we'll get into every vain detail…and every sweaty crevice. Styling, waxing, shaving, cutting, extending, replacing…even one of the greatest magic tricks of all time - Johnny Thompson's comb-over technique! And that's no bullshit!

Penn & Teller expose the truth behind our supposedly toxic insides. We find out about "colonics" and those "cleansing" diets including today's diet darling, the "Neera Super Cleanse." An actual Parasitologist - a scientist who studies parasites - tells us the truth about the parasites among and within us. A visit to the world's largest inflatable walk-through colon rounds out the episode.

What's not to like about the Americans with Disabilities Act? After all, it is supposed to improve life for the handicapped. Penn and Teller interview businessmen and women, along with some handicap advocates, who say that the act is a huge asset to greedy lawyers who file frivolous lawsuits against whole towns, claiming that the businesses are infringing the rights of the handicapped. The end result is that fewer handicapped people end up getting hired, and hence the ADA defeats its own purpose. Penn and Teller claim the act is far too broad, and individual businesses, not the government, should be able to dictate who they will cater to.

The New Age is a marketeers dream. From aromatherapy dishwashing liquid to yoga to crystals, herbs and tarot, we're swallowing it all! Join us as we travel to the Mecca of New Age, Sedona, Arizona, where we'll chant, sing, and seek a higher consciousness from hill to dale to parking lot. And stay for our big climax! They say Maui's the place to achieve a cosmic orgasm while holding a tantric pretzel pose. Watch out! It's a flying vortex!