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Christiane Amanpour leads discussions about world issues and interviews with global leaders.

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.

Celebrating Europe's art and creative geniuses, from Leonardo da Vinci to Vincent van Gogh; Florence's bold "rebirth" after Europe's medieval struggles; impressionist works of the late 1800s.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

The Kratt Bros. discover there is an old wily orca who only eats large sharks; they find this hard to believe, so with the help of Aviva's dolphin decoder, modified to speak orca, the Wild Kratts go in search of the orca who likes sharks.

Arthur, D.W. and Buster build sand castles at the beach; Buster goes out of his way to avoid germs.

The Hunters learn how temperatures can affect outdoor plants and gardens.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

Ronald, a meticulous, rule-following pig, and Roxy, a free-spirited musical hedgehog, explore the "wows" of one of America's most extraordinary places -- Sequoia National Park.

Daniel and his friends dance, sing and tell jokes that show their love and care for each other; Daniel hides hearts around the house to show his love for Grandpere.

Phoebe and Jay accidentally get paint on the mail and have to decode addresses; Phoebe and Jay find their parents' box of memories.

Elmo, Abby and Julia build a mini city while Grover helps Cookie Monster serve ice cream.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

The pals want to hear the Yodel Birds sing, but they must build them a rest nest first; Donkey and Duck Duck want to cool everyone off with lemonade.

Rosie accidentally gives away her doll Lele on Donating Day; Rosie and Galita volunteer for Seniors Day at the Nature Center.

While helping Ms. Beaver construct a community garden the kids learn about rocks; Elinor tries to make her special dumplings all by herself.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

Grandpa Nat joins the kids on a night watch to determine what the mysterious light is in the sky; Molly and Tooey help Mr. Patak record a carving demonstration.

Grandmaster Flash explains to Xavier that if he wants to create new music, he must experiment; Xavier and Yadina find out there are many ways to help Brad feel better after he falls off his bike.

Edmond locates Gaston, Villefort's illegitimate child, who has grown up to be a thief; Danglars discovers Fernand's treacherous deeds in Algeria and reveals all to the press.

In Paris high society, Edmond meddles in the lives of those he wishes to destroy; Edmond struggles to conceal his identity from Mercedes.

Three generations of agriculturalists reflect on their roots and future.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

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.

El Chepe train is a wonder of Mexican engineering that took 100 years to build through the world's largest canyon region, Copper Canyon.

The powerful stories of Fannie Lou Hamer, Elaine Brown, Ella Baker, Dolores Huerta and Yuri Kochiyama -- women whose courage, intellect and activism helped shape the civil and human rights movements in America.

Celebrating the 50th anniversary of Woodstock, the three-day concert at a farm in New York that marked the end of one of the most turbulent decades in American history.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

The story of the Irish is one of the triumph of the human spirit in the face of adversity; narrator Colin Farrell.

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

Lyla, Luke and Everett look for buried car keys at the beach; Lyla and Everett write a Super Stu comic.

A miniaturized Chris gets stuck to a bee.

Arthur learns how his family can work together to save money; Tommy and Timmy want to repay D.W. for saving them from a fall.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Lyla, Luke and Everett look for buried car keys at the beach; Lyla and Everett write a Super Stu comic.

Lotta is frustrated learning a new dance, but realizes it is ok to experience music in her own way; Sheldon worries about telling Carl that he doesn't want to play pirates anymore.

Prince Tuesday visits the school in his crossing guard uniform and helps the children practice safety rules; Daniel and Katerina drift too far from Mom while playing at the beach.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Cookie Monster uses his new Cookie Cart to bake for his friends; Grover tries magic to entertain his friends.

Zeke is troubled when he goes to the Creation Station for a sleepover and the bedtime routine is nothing like his own; the Wombats navigate a network of tunnels beneath the Treeborhood.

Donkey and Panda camp out to see the Bright Bugs; Panda feels tired of his purple things, so Donkey helps him take a break.

Rosie turns into a Super Kid for her nighttime job; Rosie helps out with the play at the community theater.

Olive's sneeze startles the kids when they are playing in the forest, prompting Elinor to learn about what causes sneezes in the first place; Ari wants to wear his lucky shirt for the big soccer game, but it is much too small for him.

Alma has to learn how to make rules that are fair for everyone when she is elected mayor of Cardboard City; Alma and Junior learn that little acts of kindness make a big difference.

Molly and her family's berry-picking adventure is cut short by pesky mosquitoes; Molly wants to visit her cousin who is harvesting herring eggs.

Grace Hopper shows Xavier that he will never know if he can build his robot differently than everyone else unless he tries; Itzhak Perlman shows Xavier that he can learn music his own way.

America Ferrera and Darren Criss uncover their immigrant roots.

The settlement of the original 13 colonies and how the cultural "Englishness" of those colonies began to change.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

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 Darjeeling Himalayan Railway is an engineering classic in the lap of the Himalayas, traveling through precarious terrains and five climatic zones.

Anthropologist Niobe Thompson travels the world to uncover how the relationship between humans and horses evolved.

Anthropologist Niobe Thompson travels the world to uncover how the relationship between humans and horses evolved.