K38NP-D

Molly's camera breaks while she and Grandpa Nat are observing an active volcano; Molly and Tooey plan a bird-watching trip to celebrate winter solstice and Trini's birthday.

Michelangelo shows Brad that doing something well takes time; Dorothy Levitt explains that it's important to start with the basics when learning a new skill.

Building a catapult and an Archimedes' screw; a field trip to meet a mechanical engineer who uses simple machines to build extrication tools.

The Blue Ridge Parkway offers unrestricted views of the Appalachian mountains as well as hiking and waterfalls.

Alastair Bruce explores the social protocol of aristocrats in the 1900s Britain; interviews with cast members, including Hugh Bonneville and Michelle Dockery.

A look at the documentary series by Ken Burns that illustrates how the American Revolution came to life.

The Beatles race against the clock to record and release their album, "Rubber Soul.".

Presenting a round-up of the most recent news and developments from across the world.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

The creation and cultural impact of the "Wishbone" children's public television series that brought classic literature to life, featuring cast, creators and behind-the-scenes stories.

Exploring America's founding spirit through the works of modern artisans who keep traditions alive, illustrating the many cultures that built this country.

Thoreau returns to society, taking on roles as surveyor, scientist and abolitionist, and makes two more Maine trips; Thoreau writes with renewed energy as he faces a lifelong illness.

Ben is betrayed by his own militia while on the run from the British; Abe and Richard travel to New York; Mary confronts Anna.

Sign off.

Standing exercises to improve posture and stretch the chest muscles; floor exercises to strengthen the stabilizer hip muscles; isometric sit-ups work the entire torso.

Lyla and her siblings come up with a sandwich special for Loops Lunch; Lyla helps her mom build a vertical garden behind Loops Lunch.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

Daniel and his family explore nature, watching a red bird build a nest; Daniel, O the Owl and Uncle X take a nature walk through the forest.

Phoebe and Jay use a checklist to guide them through their tasks; Jay creates his first comic book and learns about the importance of page order.

Cinderella needs to tell time for the ball, but her clock is broken, so Nina, Abby and Rudy wonder what tool they can use to fix it.

The Wombats go on a quest to figure out all the elements that go into creating the perfect personal time routine; Zadie wants to make a really loud noise.

The pals each feel differently about a loud thunderstorm; Mama Panda teaches Donkey and Panda new hoop tricks.

Rosie volunteers to put Iggy to bed, but she has to follow his special routine; Rosie assists Crystal in her magic show.

Elinor is the new Clean Captain at school and takes things too far; Ari has a loose tooth.

Alma tells on Emi when she's doing something dangerous; Alma's friends won't try Aaron and Lucas' snacks.

Trini is determined to learn an ice skating move; Tooey and his brothers use tracking skills to find their dad in the forest.

Kofi Annan shows Yadina and Brad that finding a compromise can help everyone; William and Caroline Herschel show Xavier that by including Yadina in his magic show, it can make it even more fun.

Exploring the top secret world of spy science; invisible ink; spy rings; a field trip to the Berman Spy Museum in Birmingham, Ala.

Sunset and sunrise on the Blue Ridge Parkway; hiking to the top of Black Balsam Knob.

Celebrating 25 years of one of Britain's enduring crime dramas; featuring new interviews with key cast members, including Neil Dudgeon, John Nettles and Jane Wymark; learning how the series came to life off the pages of Caroline Graham's books.

The cast and crew reflect on life lessons they've learned from "All Creatures Great and Small.".

The creation and evolution of the song "Strawberry Fields Forever.".

Presenting a round-up of the most recent news and developments from across the world.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.

Exploring European art from the High Middle Ages to the modern era, from soaring gothic cathedrals to the surreal world of Bosch, the revolutionary Renaissance and the works of Rodin, Monet, Klimt and Chagall.

Never-before-seen stories of women who broke codes and split atoms, gathered news, crossed front lines and rescued children during World War II.

The charred corpse of an Iranian man is found in his house, leaving investigators to question whether it is a case of spontaneous combustion or a diabolical crime.

Sign off.

A beginner, full-body workout to improve posture includes stretching connective tissue in the back, chest and core.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Carl gets a universal screwdriver for his birthday; a storm creates a hole in the walkway to Carl's house.

Even though Mom Tiger is working, Daniel wants her to play with him.

Jay and Lupe use wayfinding signs to track down Phoebe; Pete and Craig face an epic hoops battle on the courts.

On a hot day, Abby creates a snowman to keep her and Elmo cool; when they return from finding decorations, their snowman has vanished.

The Wombats program the "Toy Maker" when Mr. E's shipment is delayed; the Wombats track down a ruckus, discovering many noises along the way.

Donkey is nervous the first time she sleeps outside; Panda forgets his poetry notebook inside Donkey's messy windmill.

Iggy wants to see the garbage truck, but Rosie doesn't know how to get it to come to their house; Rosie attempts to bring nature inside.

Elinor and her friends volunteer to help Mr. Raccoon put up a sign for his bakery, but the sign keeps blowing away; it's Plant Day at school and when Elinor gets a cactus, she's a little disappointed at first.

Alma and Uncle Nestor get separated from the rest of the family on the subway; Alma and Junior are excited about their new neighbors.

Molly and Tooey decide to make a few of their own Alaska Native superheroes; Molly wants to fix up her old sled for Trini, but she's not sure she is ready to part with it.

Brad learns that asking questions can help him feel less afraid; overcoming a challenge makes Yadina feel proud.

Making instruments and kites; taking snake breaths; learning about traits that birds and planes both have.

The historical and ecological significance of Sapelo Island.

Exploring the work of filmmaker Ken Burns, including "Country Music," "Muhammad Ali," "Benjamin Franklin," "The U.S. and the Holocaust," "The American Buffalo," "The Vietnam War" and more.

Rick Steves tours the Italian heartland, including Umbria, Assisi, Siena, and the Cinque Terre.

Presenting a round-up of the most recent news and developments from across the world.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Discussion with area gardening experts, an in-studio demonstration and time for call-in questions.

A behind the scenes look at "The American Revolution" with Ken Burns, Sarah Botstein and David Schmidt to learn about the production, which took nearly a decade to complete.

Behind the scenes with the cast and crew of "Grantchester" to explore how the series became a hit; featuring archival clips spanning 10 seasons and exclusive interviews.