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Lionesses teach their cubs how to survive by showing them how to tackle giant buffalo; burrowing owls provide an underground nest for their chicks and mimic rattlesnakes' sound to protect them.

Wildlife cameraman Colin Stafford-Johnson explores Ireland's west coast and wildlife, including humpback whales, eagles, salmon and red deer stags.

Wildlife cameraman Colin Stafford-Johnson explores Ireland's west coast and wildlife, including humpback whales, eagles, salmon and red deer stags.

The quest to multiply includes an array of unusual behaviors and adaptations by forest penguins, great white sharks and other species; male pregnancy.

Actors Hayley Mills and Stephen Tompkinson go head to head in an antiques challenge; they drive around the Northeast in a vintage E Type Jaguar and a Rolls Royce; the "Wild at Heart" co-stars seek expert guidance as they visit antique shops.

Big Bird reassures Henrietta Pussycat about her friendship with X the Owl.

Francine copies and pastes information from a Web site to use as her school report; everyone loves the new reality-TV series except Arthur.

When the Wild Kratts team embarks on a pirate adventure in the Indian Ocean, they discover a very strange, worldly castaway.

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

Lyla and Luke clean Stu without a bath; Lyla and Ale find a way to protect the callaloo plants from stink bugs.

Carl turns to his friends to help him organize his plushie collection; Carl loses his bouncy ball collection.

Exploring modern aquaculture in Vesteralen in Nordland County; Kvitnes Farm; Japanese-inspired maki sushi rolls.

The expansion of federally protected grizzly bears in the Greater Yellowstone Ecosystem, spanning Idaho, Montana and Wyoming.

Diana Broussard offers insight into accessories, their history and how to make and wear them.

Exploring Virginia's history starting at Jamestown; Colonial Williamsburg; Punjabi cuisine at Masala Craft; rare instruments at the Virginia Musical Instrument Museum; exploring Yorktown's battlefields and Revolution Museum.

Hold-it sacks for electronic devices; fabric bins for organizing; wall pockets.

Interviews and investigative reporting on the people and movements driving positive systemic change.

The three block cascades fall foliage quilt features falling leaves, patchwork chains and a pieced border.

A farmer grows dates he calls "black gold"; the sugar content of dates; a family passes their prune orchard to their daughters; cooking a spicy roasted red bell pepper pasta; a cooking school and farm for elementary school students.

The history of Daytona Beach and Glenn Hammond Curtiss' 1907 land speed record; painting a vintage Indian motorcycle.

A bright, late summer afternoon in the foothills of the Appalachian Mountains.

Isobel has plans for Downton to continue to help the war wounded in some way after Robert's announcement that the ceasefire will begin on Nov. 11.

Spanish flu reaches Downton, and desperate Thomas looks for a way to re-establish himself. Ethel faces a dilemma when the Bryants return with a heartbreaking proposition. Decisive, Anna forces Bates to think about their future.

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

Tensions arise as Downton Abbey hosts a lavish Christmas party.

Alastair Bruce examines how aristocrats behaved in 1900s Britain, including how they dined, dressed and interacted with servants.

Drifting through Caddo Lake as spring awakens, with new buds and foliage emerging among cypress trees and epiphytes.

Award-winning Latin singer Jorge Drexler performs Spanish-language songs from "Tinta y Tiempo.".

Danioni gives a compromising letter to Bella's husband; the Ainsworth family heirloom goes missing.

Various guests and employees come under suspicion as the local police search the hotel for the missing heirloom.

Officers resolve the mystery of the missing family heirloom and the police close the investigation; Cecil makes a surprising discovery about Danioni.

Celebrating contemporary masters of quilting and the role quilts play in America's history; featuring Susan Hudson, Victoria Findlay Wolfe, Michael A. Cummings, Judith Content, the International Quilt Museum and special guest Ken Burns.

Artists challenge the accepted norms of gender, race, education, culture, and place, offering a truer expression of their experiences; featuring Diego Romero, Cara Romero, Wendy Maruyama and Cristina Cordova.

Artists who use narrative to communicate personal and universal truths, including Nicholas Galanin, Julie Schafler Dale, Linda J. Mendelson, George Rodriguez and Christina Bothwell.

"D.W.'s Library Card" and "Arthur's Big Hit.".

With a spike in oddness in the U.K., Department of Help Agent Ozzie suggests they send for help from another agent; with a creature on the loose and Captain O unable to help, Ozzie and Orli must work together to capture it and save HQ.

A rare Golden Bamboo Lemur is born.

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

Lyla trains Stu to help at the diner; Stu learns how to ride a scooter.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Sammy plans a surprise Carnaval for his dad while Quique plans a surprise treat for his son; Malik performs a magic trick.

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

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.

Elinor is the new Clean Captain at school and takes things too far; Ari has a loose tooth.

Alma tells all her friends that Howard is moving; Alma wonders if she should buy new materials for her recycled art project.

Suki makes an important archaeological discovery when he digs up an old bone tool covered with markings; Molly runs a contest to design an original flag for the Denali Trading Post.

Ruth Bader Ginsburg inspires Yadina to speak up when the girls are left out of a Nature Troop activity, and she realizes she has the power to create change.

Warming up the joints with self-massage and preparing them for various fun movement patterns like "dancing with Fred Astaire"; doing standing exercises barefoot to stimulate nerve receptors for improved balance.

Transforming a shady, rocky hillside with sheet mulching for native and adapted plants.

The diverse humans and creatures inhabiting the Kimberley region of Western Australia.

Michael Jordan-signed Air Jordan XII shoes from 1997; a Patek Philippe gold wristwatch circa 1915; a diamond and platinum ring circa 2000.

A 1994 Maya Angelou Spingarn award; a 1939 autographed Baseball Hall of Fame program; a Le Pho La Cueillette des Pommes Cannelle oil circa 1950.

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

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

A look into the ingenuity, vision and talent of some of the nation's best artisans, who embody the essence of American innovation and dedication.

A journey across France showcases the craftsmanship and cultural charm of the country's most remarkable artisans.

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

Miss America Pageant trophies from 1921 and 1923; a 1962 Amazing Fantasy #15 introducing Spider-Man; 1910-1013 Turkey Red baseball cards.

A Disney Carrier gouache painting circa 1942; a pearl, diamond and platinum brooch; a William H. Johnson oil circa 1928.

How craft is intertwined with the defining principles of the U.S.; featuring Robert L. Lynch, Sammy Little, Harvey Pratt and Eudorah Moore, as well as the Smithsonian Institution museums, the Veterans History Project and Berea College Student Craft.

Danioni gives a compromising letter to Bella's husband; the Ainsworth family heirloom goes missing.

Various guests and employees come under suspicion as the local police search the hotel for the missing heirloom.

Officers resolve the mystery of the missing family heirloom and the police close the investigation; Cecil makes a surprising discovery about Danioni.

The gang enters a contest to write story ideas for a television show; D.W. falls in love with science.

Odd Squad must stop a villain who is turning things into delicious puddings; Odd Squad's jubilee celebration is held up as the agents try to locate the missing Ozzie.

A raven unexpectedly joins Martin and Chris on their adventure to find a wolf pack.

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

Lyla and Stu make a mess decorating cupcakes; Lyla tries to retrieve Everett's lost coin.

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.

Miss Elaina gets hurt during a game of astronauts; Dr. Anna helps Daniel after he twists his ankle.

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

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Mr. E learns a dance for Friendship Day; Super, the Wombats and the Boo Boo Blimp to the rescue when the power goes out for the Friendship Daylight Show.

Bob Dog has trouble playing Purple Putt-Putt by the rules; the pals try outfits from Harriett's invention.

Rosie searches for an item to sell at the Neighborhood Market Day, but she struggles to find something just right; Rosie and her friend Javi decide to open a slime store.

Elinor and her friends need to find more paper for their storybook; Elinor, Ari and Olive learn about different ways that animals keep themselves clean.

Chacho hides Abuelo's lucky sock; Alma isn't thrilled to be a spelling bee alternate.

Molly and Trini find baby hares in their butterfly garden; Molly and Tooey discover a missing cat in Qyah.

Michelangelo shows Brad that doing something well takes time; Dorothy Levitt explains that it's important to start with the basics when learning a new skill.

Building awareness of how the body feels when it is in perfect alignment helps avoid postural weakness; using good form and proper technique while doing functional exercises.

A garden designed to be environmentally green.

The Outback comes to life during the dry season -- turtles lay eggs, cattle get ready for rodeos, athletes dive for pearls and a mother to marsupials sets her babies free.

Experiencing the melding of cultures and cross-border collaborations with the fronterizos or borderlanders of the golden coast at the California part of the US-Mexico border.

Traveling along both sides of the Arizona-Sonora border hunting for an ancient chili, visiting a ghost town and dropping water for migrants.

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

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

The celebrated quilts made by a community of Black women in rural Alabama.

Retracing the steps of early explorers who set out to discover the "picturesque" in the U.S., and exploring the culture, history and beauty in each place.

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

Original American monuments and the stories behind American favorites, from the Vietnam Veterans Memorial to Confederate soldier monuments.

Engineering feats that made modern civilization possible, from the connection of roads and bridges to rail networks and a continent-wide freeway system.