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Tiger expert Valmik Thapar uncovers 50 years of archival footage chronicling the tiger clan of northwestern India's Ranthambore National Park.

Isabella Tree and her husband, Charlie Burrell, strive to breathe new life into the ailing Knepp estate. They reintroduce native ponies, deer, pigs and other wildlife, allowing nature to thrive.

Richard Gere narrates the life of the Buddha.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

Fred and Mr. McFeely visit a recycling center.

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

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.

While doing their annual Laundry Day, the Kratt brothers disagree on what is better -- blue oceans or green forests.

Carl can't wait for the ice cream festival; Carl is upset that he has to wear a cast on his broken wrist.

Daniel and his friends play T-ball and find that Henrietta is a dance teacher and a T-ball coach.

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

Investigating acids and bases; making and testing pH indicator paper; food quality assurance manager Kelly Stano.

Academically-based game show featuring 32 high school teams from the southern Illinois area.

The Classical Tahoe Orchestra performs music by Lili Boulanger, Billy Childs and Cesar Franck.

Exploring the layered sounds of Istanbul where empires met from European classical music to modern jazz.

The teams present their product ideas and make their pitches to the judges; the winner is announced after the judges deliberate.

Social, political and economic trends of American agriculture.

Actor and filmmaker Ben McKenzie unpacks his documentary "Everyone Is Lying to You for Money" and why he argues the crypto boom is built on hype, risk, and deception.

Farmhouse inn; making prosciutto and pecorino cheese; hiking down ancient wine cellars; the basilica in Assisi, Italy, the hometown of St. Francis.

A Revolutionary road trip across South Carolina includes pivotal battlefields like Kings Mountain, Ninety Six, Musgrove Mill and Cowpens; historic plantations, hidden cemeteries and untold local stories.

A journey through Floyd County, Va.

A Hassan el Glaoui tempera painting circa 1970; Line Vautrin Talosel mirror; a diamond horseshoe brooch circa 1900.

Competition for food becomes fierce as lion numbers rise; a lioness risks her life to feed her five cubs; Xudum's newborn leopard cubs face a threat.

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

Academically-based game show featuring 32 high school teams from the southern Illinois area.

Tiger expert Valmik Thapar uncovers 50 years of archival footage chronicling the tiger clan of northwestern India's Ranthambore National Park.

An expectant father receives a life-threatening diagnosis; Trixie assists a female wrestler after a headlock goes wrong; Dr. Turner learns shocking news that implicates the future of the maternity house.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

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

Bluegrass band The Cleverlys; Australian folk group The Heart Collectors; banjo player Alex Davis.

Singer-songwriters Beth Nielsen Chapman, John Oates, Janis Ian, Ray Stevens and Mark Cohn.

Soames commissions a country house despite Irene's distress; as Louisa faces a fresh start, Jo decides his future; Ann reveals a dark secret.

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

Exploring the layered sounds of Istanbul where empires met from European classical music to modern jazz.

The Industrial Revolution spawns new artistic styles; the 20th century inspires expressionism, cubism, surrealism and abstract; artists like Van Gogh, Picasso and Dali express the complexity of the modern world.

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

The head of U.S. trade is called to Capitol Hill to answer questions about tariffs along with producer and consumer prices; one egg producer is expanding its supply chain, one small farm at a time; commodity market analysis.

Brain; circulation; energy.

A power suit malfunction turns Martin into an oak tree.

Benny becomes enamored with the mail carrier, and wonders how she delivers the mail in different weather conditions.

Lyla overcomes her fear of rock-climbing; a riddle game about everyday objects made by Black inventors.

Carl and Nico argue over who gets Arugula as their magician's assistant; Sheldon tries to help Carl become a good listener.

Jodi is nervous about her first day at a new school, but Daniel Tiger helps her feel comfortable; Daniel is nervous playing at Jodi's house, until he finds blueberries, which make him feel better.

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.

Elmo tries to win a race without eating his sandwich, but learns that eating healthy food will give him energy; Cookie Monster tries to eat the sandwich for himself.

The search for Mr. Splendito tickets is on; the Wombats power-clean a bunch of bikes.

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 and Javi make flowerpots using repurposed items for the Robot Picnic; Rosie and Javi open a car wash to clean Iggy's ride-on car.

The kids learn the best way to slide down a hill; Ari and his friends learn the importance of oral health after Ari forgets to brush his teeth.

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

Molly and Stormee try to retrieve Grandpa Nat's microphone; Molly and Stormee encounter a rattlesnake.

Ravi Shankar shows Yadina that it can feel good to share her culture; Babe Didrikson Zaharias shows Yadina that practice can help her do difficult things, like making the basketball team.

George is inspired to make a movie after meeting his hero, Hollywood director Tufton Sinclair; Binky takes the fall when George breaks the class's woodworking project.

Olympia and Otis baby-sit Baby Genius; Oona talks about when she switched bodies with a fly.

Fried sprats; mackerel sushi; grilled and smoked mackerel.

How agriculture shaped the nation's history and how it continues to evolve; retracing John Deere's beginnings in a small blacksmith shop in Illinois; a multigenerational farm family in Kansas.

The Industrial Revolution spawns new artistic styles; the 20th century inspires expressionism, cubism, surrealism and abstract; artists like Van Gogh, Picasso and Dali express the complexity of the modern world.

In the Old West, the three adventurers meet a lawman with a captive fugitive, and making their next train connection hinges on Abigail.

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.

An Andrew Clemens sand bottle circa 1885; a 1933 Goudey baseball card set 239/240; a Joan Miró pencil on paper circa 1965.

The failings of President Jimmy Carter's political leadership; Camp David Accords established a framework for peace in the Middle East.

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

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