K18HD-D

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.

Black movement over the 20th and 21st centuries and how it has shaped the U.S.

A regular panel of guests from across the political spectrum discuss the biggest international 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 Clean Air Act has reduced particulate matter pollution, ground-level ozone, carbon monoxide and more.

The future of the agriculture industry and stories of how it touches us all far beyond the table.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

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

News. Reporting on the day's international news from London and from BBC correspondents around the world.

This daily news program, produced by Japanese public broadcaster NHK, focuses on headlines and current events in Japan and other Asian countries. English-speaking presenters also cover other areas of interest, including business news, science and technology trends, sports highlights, and global weather forecasts.

Lyla and Everett make a lemonade stand to raise money for the animal shelter; Lyla and Everett learn Double Dutch to become part of a neighborhood crew.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

George spends time with his new friend, Carl, who has Asperger's syndrome; D.W. and James ask their siblings to coach them through the pre-school swim meet.

It's an exciting day for Lily and her family when they move into their new house.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Daniel has many activities he wants to do with Juan Carlos, but Mom reminds him to ask his guest what he wants to do; Daniel can't wait to show Juan Carlos the Clock Factory.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

Abby, Big Bird and Cookie Monster play against Gabrielle, Zoe and Elmo in I Wonder If We Can Use This, a game where they figure out if items can be used for something.

Malik enters the Undergroundborhood to retrieve JunJun's favorite ball; the Wombats cheer up Buckley with balloons.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

Rosie learns about a surprise for a sister, and tries to find out who that sister is; Rosie looks for someone to be her twin.

Honeybees disturb Elinor, Art, Olive and Koa during their picnic in the forest; the kids work together to move their dirt bike path so turtles can get to the water.

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.

The kids create a new game called Mollyball; Molly convinces a travel guide writer to visit Qyah, so the village can be added to the guidebook.

Louis Pasteur helps Xavier with his volcano experiment project; Rachel Carson helps Brad figure out a way to help butterflies migrate.

The host visits various California neighborhoods.

Capturing the winter beauty of Park City, Utah.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

A regular panel of guests from across the political spectrum discuss the biggest international 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.

Popcorn chicken; electric deep fryers; gobi Manchurian; crispy vegetable fritters.

Michael Londra travels around Ireland, celebrating its culture, history and music.

Father Brown investigates when rivalries escalate to murderous heights at the Kembleston Olimpicks.

Father Brown investigates when his old friend Sister Boniface is implicated in the murder of a renowned artist.

A potential rabies outbreak causes panic in Poplar; Trixie cares for a patient experiencing difficult labor; Cyril meets Rosalind's parents.

Doctors, nurses, pilots, and support staff of the Royal Flying Doctor Service navigate the unique challenges of their jobs, as well as their personal lives.

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

News. Reporting on the day's international news from London and from BBC correspondents around the world.

This daily news program, produced by Japanese public broadcaster NHK, focuses on headlines and current events in Japan and other Asian countries. English-speaking presenters also cover other areas of interest, including business news, science and technology trends, sports highlights, and global weather forecasts.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

When an episode of Bionic Bunny is interrupted, Carl is the only one who can recall what comes next; Larry, the class bunny, wanders off.

Lily and her family discover a surprise and also embark on a weather hunting expedition.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

Jodi's asthma makes it hard for her to run around with her friends during a game of Splat Ball; Daniel feels left out when there's no room for him to play at the xylophone.

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

Alan has many food deliveries to make at Hooper's and needs vehicles to finish them; Elmo, Charlie, and Rosita help Alan by riding their scooter and bikes to deliver food to customers.

When Bex removes her cochlear implant and hearing aid so she can go on the waterslide, Sammy and the Wombats find new ways to communicate; the Wombats love Leiko's new mural.

Donkey must wait for all her pals to get together before she can open a big present; Panda throws a party on Planet Purple to celebrate his mama's birthday.

Rosie, Javi and Uncle Steve use landmarks to get to Calvin's bakery; Rosie, Iggy and Javi lose their Easter eggs.

Ari tries to make the world's tallest toy block tower, but it keeps falling over; Elinor and Ari try to teach Ari's baby sister how to walk.

Alma and André help Junior write a story; Alma and Eddie surprise Nestor and Gloria.

A routine science expedition with Grandpa Nat and Nina becomes a rescue mission; Molly and Mom join Randall and his family in Sitka for their traditional canoe trip to Celebration in Juneau.

Willard Wigan shows Yadina that slowing down can help her make friendship bracelets more carefully; Maria Sibylla Merian shows Brad that he can have fun while waiting for flowers to grow.

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

The history of the first civilizations, including Mesoamerica, the Middle East and the Indus Valley, and how and why early humans created villages, towns, cities and states.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

A regular panel of guests from across the political spectrum discuss the biggest international 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.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

Following the dancers of the Martha Graham Dance Company as they tour the world.