PBS

Join the cast and crew of Poldark, as well as the award-winning creative team behind the series, on this exclusive journey to discover the true stories behind the history, the books, and the characters of Winston Graham's saga. Poldark Revealed uncovers the passion behind the people bringing Graham's novels to life with their unforgettable characters, gripping story, fiery passions, and stunning scenery. Along with interviews from eminent historians,...

DI Robert Lewis and DS James Hathaway investigate the suspicious deaths of a research fellow from Oxford's Department of Psychology and a former biochemistry professor, while during Hathaway's time off, Lewis and Constable Alex Gray look into the questionable mix-up at a crematorium. Lewis and Hathaway face three new mysteries inspired by the Inspector Morse novels of Colin Dexter.

On the surface, London is a buzzing, modern metropolis. But underneath lies a secret, hidden world, all but forgotten by the millions of people above. Secrets of Underground London uncovers 2000 years of subterranean history: a world of ancient caves and perfectly preserved Roman remains; mysterious rivers and gruesome plague pits; impenetrable vaults and top-secret bunkers.

The Pteranodon family is super excited to be traveling to the 'Classic in the Jurassic, ' an Olympics type competition in which different dinosaur teams representing the three Mesozoic time periods will compete in various contests.

A remarkable new story is unfolding in the Arctic. As the ice melts and polar bears struggle to survive, another animal is taking over the polar bear's once dominant role as top predator. An ever-increasing number of killer whales are appearing in Arctic waters. As the polar bear's world is shrinking, the orca's is growing.

Barack Obama launched into national consciousness at the 2004 Democratic National Convention and ever since, he's delivered messages of patriotism, unity, and hope through the power of words. Interviews with eminent historians and key figures in his writing process give rare insights into these iconic speeches, as well as the Obama presidency and the man himself.

"At the tiny Greenwood School in the small New England town of Putney, Vermont, its roughly 50 students, boys from the ages 11 to 17 are asked each year to memorize the Gettysburg Address. This would be a daunting assignment for any student, but the boys at Greenwood all suffer from learning differences that have made their personal, academic and social progress extremely challenging. As the students come to terms with the address's simple message...

Join the adventures of Martin and Chris as they meet up with cool creatures from around the world and witness many never-before-seen wildlife moments. With their creature smarts plus their newly invented Creature Power Suits, the brothers Kratt are using amazing animal abilities to rescue their animal friends when they get into trouble.

In a new age of information, rapid innovation, and globalization, how can children be prepared to compete? Discover how the new science of learning can help reimagine the future of education for all children.

When a dead body is discovered in the English Channel tunnel, exactly midway between England and France, a detective from each country is appointed to work the investigation. The two officers must work on their own partnership as well as track down the criminal. Stephen Dillane and Clemence Poesy star. It is a fairly faithful re-make of Scandinavian hit The Bridge.