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Although heralded as a model minority, bold ambition leads Asian Americans to national political office as a culture-quake simmers beneath the surface.

Asian Americans fight for equality in the fields, on campuses and in the culture.

Cameras in space show Earth to be a changing, fragile planet, with disappearing forests and melting glaciers.

How pulleys work; a rainy story in the Neighborhood of Make-Believe.

Prunella is directing the third-grade's production of "The Princess and the Pea," but nothing seems to go according to her plan; D.W. is determined to watch a new television show after her parents tell her she's too young to watch.

Chris and Martin search for an obscure rain forest creature.

The Hunter kids head to the state park to learn why leaves change color.

Nature Cat and pals realize they've come to the end of their Nature Curiosity List; Sir Galahad gives himself the title of King, moves into a castle and steals pieces of nature to make it look more beautiful.

Margaret gets upset when Daniel is too fast and too loud on the obstacle course; Daniel and his friends learn that sometimes it is important to play slowly and gently.

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

Tamir is disappointed when Grandma Nell shows off the drawing he made for Chris before it is finished.

It's Backwards Day in the Treeborhood; Cece, Carly and Clyde have fun with patterns.

Donkey is disappointed to miss Cheesy Con after she hurts her hoof; Stanley's pals help him get things back on track for his one-dragon show.

Rosie, Javi and Papa go on an adventure when Javi's dragon gets lost in the city; Rosie looks for blue bonnets in the country.

Alma helps Howard find a drum when he joins the neighborhood drum circle; Alma and Junior try to earn toy tickets.

The Cybersquad uses time travel to help Hacker understand why his pet smirble BB loves a healthy park.

Insight and analysis into Utah news and pressing political issues as they relate to the state.

Leigh Ann Caldwell, Puck; Stephen Hayes, The Dispatch; Jonathan Lemire, MS Now; Michael Scherer, The Atlantic.

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

Four members of the Artemis II crew embark on a perilous 10-day journey to orbit the moon.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

A beautiful young girl is found dead in a car registered to some local aristocrats.

Cora gets into trouble with Hooper; without the help of the police, Cora relies on Jimmi and Katy to unravel the clues.

Rehearsals flourish under Charlie's direction; Mia shines; Gloria and Connor grow closer; Jacqui's jealousy stirs conflict.

Experts analyze prominent international affairs topics and America's role in a shifting world.

When tragedy strikes a local family, Dr. Turner's treatment comes under scrutiny; Trixie worries about the future of midwifery in Britain.

Disaster strikes at Forsyte & Co. as Soames puts an end to Irene's Parisian dreams; Louisa faces a shock eviction.

Edmond continues to infiltrate the lives of his betrayers, uncovering more dark secrets; Mercedes starts to suspect Edmond's true identity.

Marie Antoinette aims to inaugurate her reign as queen of France, organizing an inauguration ball and trying to convince Louis to choose the pro-Austrian candidate that she defends as prime minister.

Disaster strikes at Forsyte & Co. as Soames puts an end to Irene's Parisian dreams; Louisa faces a shock eviction.

Edmond continues to infiltrate the lives of his betrayers, uncovering more dark secrets; Mercedes starts to suspect Edmond's true identity.

Uncovering the lasting impact of ragtime composer Scott Joplin on today's orchestras; a restaging of Joplin's magnum opus "Treemonisha" for the 21st century.

A look at America's founding and how the ideas and values articulated 250 years ago remain relevant to conversations about governance today.

Mapping the roots of actress Kate Burton and media mogul Barry Diller.

Francine bets Arthur that her family uses less water; Arthur and D.W. believe they will find treasures in the attic that will make them famous.

Orli and Ozzie must find two grown-ups lost in HQ; Odd Squad goes undercover at a villain wedding.

Martin and Chris stumble upon a rare and endangered seedling of a butternut tree; while looking for its parent tree, they only discover dead ones.

The Hunters try to help an injured bird so it can join its friends migrating south for the winter.

Lyla bakes a cake without a recipe; Everett teaches his cat new tricks using sounds and symbols.

Francine bets Arthur that her family uses less water; Arthur and D.W. believe they will find treasures in the attic that will make them famous.

Orli and Ozzie must find two grown-ups lost in HQ; Odd Squad goes undercover at a villain wedding.

Martin and Chris stumble upon a rare and endangered seedling of a butternut tree; while looking for its parent tree, they only discover dead ones.

The Hunters try to help an injured bird so it can join its friends migrating south for the winter.

Lyla bakes a cake without a recipe; Everett teaches his cat new tricks using sounds and symbols.

Forrest can't wait to try everything at the Fuzzytown Friends Picnic, but gets into trouble when he is unable to wait his turn; Carl hosts a Super Blue Moon Sleepover.

Katerina wishes she had a little sister; the Tiger family performs a special song during Family Day at the library.

Phoebe and Jay are asked to bird sit; photo time leads Jay to an outfit disaster.

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.

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.

Daniel Tiger and Donkey Hodie meet for the first time in Someplace Else, and Daniel's special visit takes the new pals on a surprising adventure.

Rosie helps Mom set up for story time when the Purple Knight visits the bookstore; Rosie and Javi make a strawberry horchata stand.

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

Alma puts together a care package for Granny Isa; Beto and Rafia are nervous to play each other in soccer.

Molly helps Grandpa Nat fix the broken fish wheel; Molly learns that her dad competed in the Native Youth Olympics.

Tuscan grilled pork ribs with grilled radicchio; honing rods; why mushrooms absorb so much oil; sauteed mushrooms with red wine and rosemary.

Double-crust chicken pot pie; creamy peanut butter; cowboy cookies.

Carmody is challenged with learning how to be a vet; the new farmers have an illness among their herd; Helen rallies the community to help the newcomers while she awaits some personal news.

A Marvel Silver Age comics collection; a Moglia micromosaic plaque of Beatrice Cenci circa 1870; 1983-1999 Barack Obama letters.

It looks as if Mr. Humphries' career is over when money is missing from the men's counter.

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.

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

Opposition in colonial North America to British policies over taxes, land and sovereignty escalates into violent confrontation; war gives 13 colonies a common cause.

Mrs. Slocombe has her eye on the sports department's handsome golf professional.

Exploring the back streets of Cairo on a tuk-tuk; baking pita bread; chiseling a tombstone; King Tut's gold; the ancient Sphinx; climbing to the center of a pyramid.

Opposition in colonial North America to British policies over taxes, land and sovereignty escalates into violent confrontation; war gives 13 colonies a common cause.

When tragedy strikes a local family, Dr. Turner's treatment comes under scrutiny; Trixie worries about the future of midwifery in Britain.

Disaster strikes at Forsyte & Co. as Soames puts an end to Irene's Parisian dreams; Louisa faces a shock eviction.

Edmond continues to infiltrate the lives of his betrayers, uncovering more dark secrets; Mercedes starts to suspect Edmond's true identity.

Muffy wants a Dream Bouncy Castle for her party; Francine and Muffy set up their older siblings.

Omni and Osric are desperate to get off the night shift and go to a party, but they must first stop a mysterious villain; Orwell and Okra must prevent a flying machine from stinking up Odd Squad's favorite places.

Stuck without power in the bamboo forests of China, the Wild Kratts must figure out how to save the pandas, who are being turned into stuffed toys by villain Zach Varmitech.

After a groundhog predicts more winter weather, Benny is convinced he will have snow on his birthday so he plans a snow-filled birthday party.

The Loops celebrate the day they met Stu; Liana finds crumbs on Louisa's pillow and accuses her of taking the last cookie.

Muffy wants a Dream Bouncy Castle for her party; Francine and Muffy set up their older siblings.

Omni and Osric are desperate to get off the night shift and go to a party, but they must first stop a mysterious villain; Orwell and Okra must prevent a flying machine from stinking up Odd Squad's favorite places.

Stuck without power in the bamboo forests of China, the Wild Kratts must figure out how to save the pandas, who are being turned into stuffed toys by villain Zach Varmitech.

After a groundhog predicts more winter weather, Benny is convinced he will have snow on his birthday so he plans a snow-filled birthday party.

The Loops celebrate the day they met Stu; Liana finds crumbs on Louisa's pillow and accuses her of taking the last cookie.

Lotta competes in the Fuzzytown Music Maker Championship, but the noise on stage becomes too much for her and she leaves; Carl forgets his bottle cap collection at his dad's house.

As the Tiger family prepares for Margaret's birthday party, Daniel struggles when the attention is not on him; Daniel feels left out at Margaret's birthday party, until he leads Margaret and friends in a panda game and original birthday song.

Rosie and Javi both want to be in charge of the sandbox, so the kids hold an election to choose a president; Rosie and friends try to save the dino parade.

Elmo's bike is great, but Abby's bike might be even better; Tamir teaches Elmo how to deal with feeling jealous and to enjoy the things Elmo already has.

The wombats battle sea monsters, surfing scoundrels and pointy rocks on their way to make a sandwich delivery; Mr. E. buys a robot to hand out balloons.

Donkey opens a potato stand so she can share her potatoes with her neighbors; Donkey surprises Clyde with a playdate in the sky.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

Ari tries to be quiet so his sister can take a nap, but a woodpecker keeps making noise outside; the kids learn that all animals need some sort of rest to regain energy and stay healthy.

When Tia Gloria can't make it to Alma's spring concert, Alma brings the concert to her; Alma helps Safina with the puppies at the animal clinic.

Tooey is upset when his teacher gives him a nickname; Molly and Walter are on a boat when suddenly the engine fails.

Hosts Bridget Lancaster and Julia Collin Davison make a plum-ginger pie with whole-wheat lattice-top crust; small stand mixers; pear crisp.

Monterey Bay cioppino; can openers; how to make the ultimate shrimp Mozambique.

With the War feeling closer to home, James desperately wants things in order.

Neil Armstrong-signed Apollo 11 moon landing photos; a Tongan war club made around 1800; 1993 "Magic: The Gathering" beta cards.

Mrs. Slocombe has her eye on the sports department's handsome golf professional.

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.

Actors Ted Danson, Mary Steenburgen and William H. Macy trace their nonconformist ancestors back to the Puritan establishment.

Congress puts George Washington in command of a new Continental Army; Congress declares American independence in July 1776.

The store attracts the wrong kind of customers when it advertises on CB radio.

Exploring the Nile Valley from north to south, including the fabled city of Alexandria; pharaohs' tombs and temples in Luxor, Egypt; a riverboat cruise; Ramesses II's temple at Abu Simbel.