"Fast Friends"Buddy, Tiny, and Mom ride the Dinosaur Train to meet Oren and Ollie Ornithomimus, some of the fastest dinosaurs ever! Our kids love meeting the fast-moving and fast-talking twins. "T. rex Teeth" When Buddy loses a tooth, Mom takes him to Rexville to ask his Tyrannosaurus friends all about T. rex teeth. They explain that he'll grow new teeth to replace the old ones.

Five centuries ago, the Age of Exploration and Europe's imperial colonization of far-off lands was launched by a revolution in ship design that made long-distance ocean voyages practical. But exactly how this momentous innovation happened eludes historians. Now, the excavation of a rare intact wreck discovered off the coast of Sweden offers vital new clues to a maritime mystery.

Since Binky's repeating third grade, he's totally dreading Mr. Ratburn's annual class sleepover at the Science Museum. After all, he remembers how boring it was last year wouldn't the second time around be twice as dull? But an enticing new exhibit - on visions of the future! - shows Binky that science knowledge can really come in handy. Arthur and D.W. face the ultimate challenge when Mom gets a bad cold and then (gulp!) gives it to Dad! What if...

In the early 20th century, America has a dozen national parks, but they are a haphazard patchwork of special places under the supervision of different federal agencies. The conservation movement, after failing to stop the Hetch Hetchy dam, pushes the government to establish one unified agency to oversee all the parks, leading to the establishment of the National Park Service in 1916. Its first director, Stephen Mather, a wealthy businessman and passionate...

A stubborn iconoclast fights a lonely battle on behalf of a species nearly everyone hates; America's "Last Frontier" becomes a testing ground for the future of the park idea; and in unprecedented numbers, American families create unforgettable memories, passing on a love of the parks to the next generation.Following World War II, the parks are overwhelmed as visitation reaches 62 million people a year. A new billion-dollar campaign - Mission 66 -...

When Mighty Mountain's school gets flooded, the Lakewood Elementary students have to share everything with them! The Internet is out! How will Muffy post to her blog?! How will Buster research aliens?! Looks like the most boring day ever.

Three centuries of engineering have produced telescopes far beyond Galileo's simple spyglass. Perched on mountaintops, orbiting the Earth, and even circling other planets, these telescopes are revealing the solar system in detail Galileo could only dream of. Get up close with today's most powerful telescopes and embark on a stunning journey to the planets and moons now being imaged as never before.

Bears are an ultimate icon of the wild, regarded as among the most successful wild animals on the planet. Three of the eight bear species in the world – brown bears, black bears, and polar bears –can be found in Alaska, one of North America's last truly wild frontiers. Nature joins adventurer and bear biologist Chris Morgan on a year-long motorcycle odyssey deep into Alaska's bear country to explore the amazing resiliency and adaptability of these...

In the final episode, Michael Wood examines Shakespeare's life in the era of King James I. He unearths Shakespeare's neighborhood in London and visits the current queen's robe-makers for evidence of Shakespeare's role in the royal coronation. Shakespeare's world is transformed in 1605 by the Gunpowder Plot, a Jacobean September 11. The entertainment industry responded, and Shakespeare contributed Macbeth, a daring play about the murder of a king....

When the Tibble Twins' constant lying lands them in constant trouble, they promise to tell only the truth. But is telling every truth any better? Tommy and Timmy try to be honest Tibbles before they lose all their friends - and each other. Binky and Brain collide on the soccer field, breaking Brain's new watch and nearly breaking their friendship. Could things get any worse? Well, yes - the other kids' rides have come and gone, leaving Binky and Brain...