What Would Happen If ...?

Some of the most amazing, eye-opening and downright scary paranormal videos from around the world are featured as a panel of experts break down the footage and analyze what exactly the eyewitnesses captured.

Psychic medium Amy Allan and former NYPD homicide detective Steve DiSchiavi investigate locations that are reported to be haunted.

Can you tell the difference between fact and fiction? Several stories of strange, mysterious and incredible occurrences are chronicled during each episode. It is up to the viewer to decide which stories actually happened and which were completely fabricated by the show’s writers. The answer is revealed by Jonathan Frakes at the conclusion of each episode.

This hourlong documentary series focuses on the issue of teen pregnancy, with each episode detailing the wide variety of challenges -- marriage, adoption, finances, gossip and graduating high school among them — a pregnant teenager faces while still coming of age.

In this harrowing reality series, “Survivorman” Les Stroud travels to far-flung locales with little more than the clothes on his back and 50 pounds of camera equipment to battle - and try to survive - insanely harsh conditions.

The biggest stars, the most iconic performances, the most outrageous outfits – it’s Britain’s number one pop show.

Set in Central Michigan's farm country, this reality series follows the work done at Pol Veterinary Services. Specializing in large farm animals, Dr. Pol treats horses, pigs, cows, sheep, alpacas, goats, chickens and even an occasional reindeer. The program also features Dr. Brenda Grettenberger, who has worked with Dr. Pol since 1992.

A celebration of Scottish history and culture, with Outlander stars Sam Heughan and Graham McTavish discovering the heritage of their native country, meeting local artisans and experts and experiencing genuine moments of awe and fascination as they share their travels with the audience.

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.

Two talented chefs go head-to-head for the chance to Beat Bobby Flay. To get to Bobby the chefs must first face off against each other, creating a spectacular dish with a secret ingredient of Bobby's choice. Judges Alex Guarnaschelli and Jeff Mauro know Bobby's strengths and his weaknesses. Their goal: Pick the chef who has the skills to take down Bobby Flay in his own arena. The winning chef gets to challenge Bobby with his or her surprise signature dish. If Bobby goes down, the winner can tell the world, "I beat Bobby Flay!"

Will Smith whose curiosity and wonder is positively infectious—is guided by National Geographic Explorers traveling to different corners of the world to get up close and personal with the weirdest, most unusual, dangerous and thrilling spectacles of the planet.

Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture their actions, performing their daily duty to serve and protect the public.

This spin-off of the wildly popular House Hunters goes around the globe. Home hunters and their realtors check out all sorts of architectural styles and work through the quirks of buying real estate in other countries.

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

From roots in the Deep South to the slums of New Jersey, "Who Do You Think You Are?" follows the journeys of some of the most well-known names in American popular culture. Watch as celebrities discover unknown details about themselves and their families while researching their ancestry with the help of historians and genealogical experts.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Follows 5 NBA players throughout an entire NBA series, delving into their on-court performance and off-court personal lives.

Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals and ecosystems around the world. A comic book based on the show, meant to be used an as educational tool for kids, was briefly distributed to museums and schools at no cost in the mid-2000s.

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from historical experiments, and brand-new, ground-breaking demonstrations of human nature at work.

In 2004 Ewan McGregor and Charley Boorman embarked on an epic challenge to bike 20,000-miles across 12 countries and 19 time zones in just 115 days. Watch as two friends ride around the world together and, against all the odds, realize their dream.