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The team witnesses a baby boom in the Delta; lioness Matho protects her cubs while the leopard Xudum reveals her newborns as danger looms nearby.

Scientists explore glaciers, oceans and frozen frontiers to discover hidden worlds and clues to life beyond Earth.

Margaret Hoover leads interviews and debates.

The story of ASCO, the groundbreaking Chicano art group formed in the 1970s that continues to inspire new generations of artists and activists.

Honoring five individuals or organizations doing outstanding work in various fields to benefit the Hispanic and Latinx community in the U.S. and abroad.

An animation device; Fred Rogers makes a rhythm rattle like the ones used by the Spanish Singing Bakers.

Muffy helps Francine deal with the death of her Bubbe; Arthur and Buster try to make the family vacation more exciting.

Chris and Martin discover the abilities of the blue heron.

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

Lyla and Everett play basketball against their moms; Lyla and Luke restore their old toy car to make it special for Stu.

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

Author Emily Carpenter talks about the suspenseful "Gothictown," reflecting on the gothic influences and Southern setting that bring the book to life.

A school in Marietta, Ga., studies life, learning and mental health when students put their phones away for a day.

Exploring the influence of fashion designer Victor Costa, best known for glamorous evening wear that gained popularity from the 1970s through the 1990s.

Tourism's impact on the local culture of Kauai; traditional music; a cattle drive at Princeville Ranch.

The Quilt Expo in Madison, Wis., brings together thousands of quilt enthusiasts.

Two women serve their community through food, making recipes passed down through generations.

The construction of Triangle Trio, a quilt created entirely with 60-degree angles; three different approaches to cutting triangles.

Protea flower harvest; imperfect produce for food banks; soybean farmer restores wildlife habitat.

The alligator's diet, habits and lifespan; adding an egret in flight to finish the Florida Waterways painting.

Creating the captivating woods of the Pacific Northwest using only a palette knife.

The Michigan Farm Garden at Frederik Meijer Gardens & Sculpture Park; Idlewild Farm, a family flower farm in West Michigan; making a flower sculpture with classic farm tools.

Host Lindsay Paris travels through five states, from coastal Connecticut to the Green Mountains of Vermont, to experience the unique traditions of autumn in New England.

COVID-19 fury ignites a school board war in Bucks County over what can and can't be taught in schools, and best friends Evi and Vanessa are caught in the middle.

As the North Vietnamese Army marches toward Saigon, South Vietnamese search for a way out; a lucky few find escape by air and water.

An exclusive journey into a cave that houses well-preserved Stone Age art of lions and mammoths, and how scientists are unlocking the secrets of these masterpieces of early human creativity.

News analysis of issues and policy affecting the U.S.

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

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

Communities work together to find common ground for America's 250th celebration.

When a popular but tempestuous celebrity chef is murdered during his cookbook launch, there's no shortage of suspects for Judith, Suzie and Becks.

As tensions escalate, Susan desperately races against time to unmask the real murderer.

Amid secrets and danger, Cushla and Michael's love deepens, until she learns that he's lied to her; in a furious showdown, Michael confesses and promises honesty; but just as they commit, tragedy strikes.

Singer-songwriter Sienna Spiro performs highlights from her acclaimed debut album "Visitor.".

When a popular but tempestuous celebrity chef is murdered during his cookbook launch, there's no shortage of suspects for Judith, Suzie and Becks.