K41AD-D

Scientists conduct the largest animal communication study in history to see if innovative word buttons truly enable dogs to talk.

Professor Mark Horton takes a journey across Britain to prove real events and places inspired the chivalric myths of King Arthur and the court of Camelot.

The race for power, resources and identity in Greenland; retirees support the front lines in Ukraine; when sport breaks down barriers; Ilic faces uncertain future; stress relief with a sledgehammer.

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

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

Margaret Hoover leads interviews and debates.

Fast-slow movements; seated exercises with closed eyes; proprioception; eye-head coordination; tai chi stretch.

Mister Rogers brings in a cat named Jimmy and remembers him as a kitten; he shows pictures of babies that have grown into adults; everyone gathers at the castle just as the big thing rolls into the Neighborhood of Make-Believe.

Lyla and Ale make an escape-proof container for her pet tarantula; rain keeps the kids inside, so they recreate park activities indoors.

Carl's favorite sour pickle scratch-n-sniff sticker loses its smell; Carl notices that his baby blanket, Knit-Knit, has a hole in it.

Daniel and his friends dance, sing and tell jokes that show their love and care for each other; Daniel hides hearts around the house to show his love for Grandpere.

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

Mia learns how to sing a song in Spanish on Song Day on Sesame Street.

The CyberSquad helps Bernice investigate when a green haze appears and heats up Stellandia.

The Wild Kratts search for the snub-nosed monkeys in the Chinese mountains.

Explore the Underground Railroad Ride, the Groundswell Cafe and a non-profit in Clinton.

Margaret Hoover leads interviews and debates.

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

Tariffs dampen optimism in the rural economic outlook; 45Z gets momentum in the nation's capital; a progress report for a small solution to a growing problem; commodity market analysis.

Barnaby is called in to investigate the murders of bell-ringers.

Barnaby uncovers an elite Mafia-like sect at a private school while investigating a boy's death.

The leader of a reading club is found battered to death.

The early married life of Princess Margaret and her husband Anthony Armstrong-Jones in the 1960s, as major social changes take place in Britain.

Dylan Cooper is caught and held in the cells at Scotland Yard; Blake and new detective Willows face a long night as Dylan's gang plots a daring escape.

James is worried about the practice finances, but it falls on deaf ears when he tries to discuss the matter with Siegfried; he decides to take on the role of an attending vet at Hensfield dog track to earn extra money.

When an army captain drinks a poisoned cocktail, there are multiple suspects, including Trottie; two exiled princesses believe that he was not the intended victim.

As Rita and Pedro's wedding day approaches, the girls plan a special surprise; Alberto's loss grants him new strength and perspective.

Compo, Clegg and Foggy find more mischief on the dales of Yorkshire.

A hotel concierge falls to his death with Phryne's stolen bag.

The Eiffel Tower; cruising the Seine; visiting the market for fresh food and flowers; window-shopping in Paris; a nighttime ride through the city.

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.

Dylan Cooper is caught and held in the cells at Scotland Yard; Blake and new detective Willows face a long night as Dylan's gang plots a daring escape.

James is worried about the practice finances, but it falls on deaf ears when he tries to discuss the matter with Siegfried; he decides to take on the role of an attending vet at Hensfield dog track to earn extra money.

When an army captain drinks a poisoned cocktail, there are multiple suspects, including Trottie; two exiled princesses believe that he was not the intended victim.

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

An easy-to-follow standing and barre workout helps relieve tension in the lower back with posture and hip isolation exercises.

The Hunters find a stowaway in their picnic basket, a little furry dog.

The Loops play fun practical jokes on each other; Loops Lunch moves outside because of a blackout, but it causes many problems.

Carl gets a universal screwdriver for his birthday; a storm creates a hole in the walkway to Carl's house.

Volunteer firefighters make a special visit to school; Daniel wants to pretend to be the daddy when he gets a new doll, but his friends want him to be Tige-y the Adventure Tiger instead.

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

When Oscar tries to find someone disappointed by his disappoint-o-meter, he accidentally makes them happy.

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.

Panda enjoys a snow day his own way; Bob Dog wants to win at Gameshow Gator's new snowy game.

Rosie and Javi learn how people did things before there was electricity after a storm causes a power outage; Rosie learns to use tools from nature during a family camping trip.

Elinor and her friends play Hide-and-Go-Seek but are unable to stay hidden from the Goat twins; an owl inspires Elinor's costume for Costume Day.

Baby Peg tells mom she wants a stray kitty for her pet and problem-solving partner; Peg and Cat scramble to make valentines.

Molly and Dad try to find and fix an eagle cam after wind spins the camera away from the eagle's nest on hatching day; Molly and friends must come up with enough money to buy a water tube at the Trading Post.

Volunteer firefighters make a special visit to school; Daniel wants to pretend to be the daddy when he gets a new doll, but his friends want him to be Tige-y the Adventure Tiger instead.

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.

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

The Hunters find a stowaway in their picnic basket, a little furry dog.

An argument between Xavier and Yadina ends badly, but Maya Angelou helps the siblings find a way to forgive each other; Frederick Douglass helps Xavier when he becomes frustrated with his schoolwork.

Papi is called to rescue a cow on the loose in the Bronx; Lucas gets upset after Alma, Eddie and Lauren copy his new hairstyle.

Buster receives chocolates in the mail and tries to figure out who sent them; James receives a toy lamb that is said to give its owner special powers.

The bros are off on a creature mission to find as many colorful parrots as they can in the Amazon.

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.

Appraisals from Churchill Downs racetrack include a Chinese gilt bronze bodhisattva circa 1650, a Nicolai Fechin oil portrait and a holly sewing box circa 1861.

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

A Tiffany & Co. gold and platinum purse circa 1915; an Ernie Barnes oil painting circa 1963; a Ming Dynasty bronze vase.

A Star War collection circa 1980; a 1972 Rolex Explorer II watch with its original face and hands; Leaf baseball cards from 1948.

Explore the hilly terrain and expansive views along the Loess Hills National Scenic Byway.

Learn about girls wrestling, meet a makeup artist, and visit the last Ben Franklin store.

Librarians, parents and students navigate debates over representation, education and censorship with regard to library collection standards in the U.S.

Stranded on a snowbound train, Sister Boniface must use her skills to determine who is responsible after a precious jewel is stolen, and a passenger is murdered.

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

Integrating Western Sahara into Morocco; data centers and climate change in Brazil; Latvia's wood industry; terracotta rings offer hope against rising seas.

A Tiffany & Co. gold and platinum purse circa 1915; an Ernie Barnes oil painting circa 1963; a Ming Dynasty bronze vase.

A Star War collection circa 1980; a 1972 Rolex Explorer II watch with its original face and hands; Leaf baseball cards from 1948.

Explore the hilly terrain and expansive views along the Loess Hills National Scenic Byway.

Learn about girls wrestling, meet a makeup artist, and visit the last Ben Franklin store.

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

An all-standing, neuromuscular workout with gentle and controlled movements to stretch knees and calves and increase the hip's range of motion.

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.

Lyla has to help multiple people but rushes each task, which makes things worse; Lyla must use her left hand after hurting her right wrist.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

Daniel visits the post office and learns how letters are sorted and mailed, then sends a letter to Dad; Daniel and Dad Tiger surprise Mom with banana bread.

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.

Reporters Elmo and Abby offer strategies to Nursery Rhyme characters experiencing big feelings of excitement, nervousness and frustration.

Zeke and Louise plan to build a house for Snout; Kaya hopes to make a video once JunJun conquers his on-camera jitters.

Donkey's guitar goes missing just before the talent show; Duck Duck finally finds her family's treasure nest, but she is unable to open it.

Rosie wants an ice pop from the Ice Pop Truck, but she must come up with an extra dollar to buy it; Rosie can't decide what to buy at the mercado.

The kids learn about crying as they set out on an adventure to help Miri; the kids and Mr. Bat look for Ari's ball after it goes missing in a cave.

Richard is terrorized by the number 13 at a camp sleepover; Peg and Cat go through the looking glass, where nonsense makes sense.

Molly and Trini gather supplies to make suncatchers for their friends, but they lose the beads on the way home from Nenana; Molly wants to surprise Mom with a pair of traditional beaded slippers for her birthday.

Daniel visits the post office and learns how letters are sorted and mailed, then sends a letter to Dad; Daniel and Dad Tiger surprise Mom with banana bread.

Zeke and Louise plan to build a house for Snout; Kaya hopes to make a video once JunJun conquers his on-camera jitters.

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.

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.

Xavier, Yadina and Brad learn about courage and bravery when they meet Harriet Tubman, a woman who escapes slavery and risks her life to help others do the same.

Alma, Harper and Rafia want to make a robot video; Alma helps Eddie record a rap, but the project gets derailed.

Arthur's snow shoveling business is booming, until Buster decides to compete against him; Brain wakes up to find he is a cockroach.

The gang discovers the variety and diverse functions of creature tails.

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.

A 1908 Chicago Cubs presentation piece; a Tiffany & Co. gold necklace; a 1904 Henry Woods oil.

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

Tracing the family trees of talk show host Sara Haines and playwright Tracy Letts.

Exploring the intersecting and diverging fates of the Black and Jewish communities up to the 1920s.

How Black and Jewish communities collaborated in music, film and activism from the 1920s to the 1950s.

Investigating the fall of Nicolás Maduro, the legacy of curruption, challenges to democracy and Venezuela's conflict with the U.S.

When the author of a book that sparked a nationwide treasure hunt is found dead, Barnaby must unravel clues to find the killer among a group of dedicated seekers.

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

Life in the Jungfraujoch; climate change in Greenland; Spanish tapas bars; African-inspired fashion from Paris.

Tracing the family trees of talk show host Sara Haines and playwright Tracy Letts.

Exploring the intersecting and diverging fates of the Black and Jewish communities up to the 1920s.

How Black and Jewish communities collaborated in music, film and activism from the 1920s to the 1950s.

Explore the hilly terrain and expansive views along the Loess Hills National Scenic Byway.

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

A workout to develop a stable and aligned spine by strengthening the entire core musculature, from the abdominals to the back.

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

Luke plays doctor with Stu as a nurse and Lyla pretends to be different patients; Lyla, Everett, Luke and Stu build an elaborate track to get a tennis ball down to the lobby.

When Nico teases Carl about bikes being for babies, he sets out to prove Nico wrong; Carl and his Fuzzytown friends can't wait to build a tree fort, but Carl has a hard time working as a team.

Daniel is frustrated when he can't catch a ball; O the Owl wants to build the tallest tower in the world with blocks.

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

TJ is excited to meet his favorite comic book artist Bobby Manalo, and to make him feel welcomed on Sesame Street, TJ makes him a comic book gift with the help of Tamir; while working on it, Tamir also learns to say a few words in Tagalog.

Zadie must face her fear and go to the barber for a haircut; Malik discovers smart devices have limitations.

Bob Dog brings a ball to the Stuffie Playdate; Frannie Fox invites Donkey to her swamp, but she feels nervous about playing in it.

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.

Elinor, Olive and Ari disagree about the best way to build a couch cushion castle; when Ari misplaces the group's favorite ball, they discover that he needs a system for keeping track of his things.

Baby Peg tells mom she wants a stray kitty for her pet and problem-solving partner; Peg and Cat scramble to make valentines.

Molly, Grandpa, Dad and Tooey go on a snowmobile adventure to search for hot springs in the backwoods; Tooey's hero, dog musher Eugene Pike, re-creates a historic mail run across interior Alaska.

Daniel is frustrated when he can't catch a ball; O the Owl wants to build the tallest tower in the world with blocks.

Zadie must face her fear and go to the barber for a haircut; Malik discovers smart devices have limitations.

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

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

George Washington shows Yadina how to be the best Nature Troop leader; Susan B. Anthony helps Brad show his friends that everyone should have a vote.

Alma volunteers André to make necklaces for their friends; Alma, Eddie and Uncle Nestor perform music on the subway.

Pinkalicious can't wait to make valentines for her class party, but Cupid offers her a trade that turns her plans upside-down.

Using Ethiopia as a classroom to understand global hunger and extreme poverty and how to beat it; the impact of globalization and climate change.

An Austrian "Naughty" cat bronze circa 1900; a Margaret Mitchell archive; a Cartier diamond ring circa 1940.

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

How animal parents deal with freshwater's constant changes as they raise the next generation; a frog dad scales giant trees with his tadpoles on his back; an elephant mom must choose between safety and the quest for food and water.

Exploring the origins of mammals, long before the age of dinosaurs, and how early ancestors survived global catastrophes and defied extinction to evolve into the vast array of mammals we know today.

Computer scientist Brent Seales attempts to read inside hundreds of carbonized ancient scrolls found at the archaeological site of Herculaneum in Italy.

Assessing the risk of a potential eruption of an ancient supervolcano under the Italian city of Naples.

When the author of a book that sparked a nationwide treasure hunt is found dead, Barnaby must unravel clues to find the killer among a group of dedicated seekers.

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

Writer Tom Nichols of The Atlantic warns about branding rivals with epithets from the worst chapters in history.

Explore the hilly terrain and expansive views along the Loess Hills National Scenic Byway.

Animal parents balance risk and reward to raise their young in grasslands; wild dogs must control their teen pups for survival; an expecting langur learns parenting skills by babysitting.

Exploring the origins of mammals, long before the age of dinosaurs, and how early ancestors survived global catastrophes and defied extinction to evolve into the vast array of mammals we know today.

Computer scientist Brent Seales attempts to read inside hundreds of carbonized ancient scrolls found at the archaeological site of Herculaneum in Italy.

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

A zero impact, cardio workout features exercises that tone the abs and strengthen the hips, unlocking joints and improving circulation.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Lyla and Everett coach Luke, Stu and Idris in soccer drills before their first practice; Liana and Louise decide to switch rooms with Lyla and Luke.

Carl and his friends clean up the Fuzzytown Park; Carl accidentally breaks the birthday present Sheldon planned to give his mom.

Daniel and his friends dance, sing and tell jokes that show their love and care for each other; Daniel hides hearts around the house to show his love for Grandpere.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

When Oscar tries to find someone disappointed by his disappoint-o-meter, he accidentally makes them happy.

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.

Donkey babysits a baby yodel bird who won't take a nap; Donkey and Panda argue while playing superheroes.

Rosie and Papa switch roles for the day, but it's trickier than they thought; Rosie tries to make a family tree for Valentine's Day.

Crickets inspire Olive to play her violin; while flying in a hot air balloon, Elinor and her friends learn why birds fly high.

When the Pig leaves the farm to join the opera, Peg and Cat realize they can't make it without him; Cat hires a Mariachi band.

Molly rushes to find a new gift for her new friend, Kevin; Grandpa Nat's new drone is swept away by a dust devil.

Daniel and his friends dance, sing and tell jokes that show their love and care for each other; Daniel hides hearts around the house to show his love for Grandpere.

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.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Wilma Rudolph encourages Xavier to stay with track and field even though he thinks he should quit; Jonas Salk explains that you don't need a reward for doing a good deed.

Alma and Rafia want to make an animal photo book, but the animals won't cooperate; Alma and Rafia volunteer to help Safina after she hurts her arm.

Pepe the circus flea tells Kate, Pal and Amigo his personal story; D.W. wants to be kissed.

Which are better, horns or antlers? Martin and Chris decide to go on an adventure with the horned Narwhal of the Arctic. Once they get there, they soon discover that sometimes a horn isn't a horn and soon are unraveling the mystery of this creature.

Rick Steves talks about the value of travel.

A Star War collection circa 1980; a 1972 Rolex Explorer II watch with its original face and hands; Leaf baseball cards from 1948.

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

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

Suspicions are aroused when a popular tennis star is found dead following her hen party.

After a pet detective turns up dead inside the kennel of a dog he was searching for, Barnaby and Winter are drawn into the world of dognapping, cat seduction, and animal investigation.

Neville receives an anonymous letter when the driver of a water taxi is murdered.

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

All-female news analysis of issues and policy affecting the U.S.

Koenig's Acres Farm in Hampton, Iowa, shows how to cultivate fresh ginger crops; chef Katy Meyer creates a savory and sweet recipe option for fresh ginger.

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

After a pet detective turns up dead inside the kennel of a dog he was searching for, Barnaby and Winter are drawn into the world of dognapping, cat seduction, and animal investigation.

Learn about girls wrestling, meet a makeup artist, and visit the last Ben Franklin store.

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

Twisting the spine to liberate the upper body and shoulders; finger exercises help relieve neck and shoulder pain; releasing tension in the hips and spine to stretch and strengthen glutes and hamstrings.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

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.

The whole neighborhood helps Dr. Anna and Baker Aker celebrate their wedding, including Daniel, who has an important job as ring bearer.

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

Abby turns Sesame Street into a magical ocean.

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

Donkey and Cousin Hodie figure out how to have fun in the rain; Donkey is patient while Cousin learns a new game at Grampy's Game Day.

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

Elinor, Ari and Olive enter the tomato drop contest at the Animal Town Tomato Festival; Elinor and Ari notice their friends are good at soccer, but they are not.

Baby Peg tells mom she wants a stray kitty for her pet and problem-solving partner; Peg and Cat scramble to make valentines.

Molly and Trini gather supplies to make suncatchers for their friends, but they lose the beads on the way home from Nenana; Molly wants to surprise Mom with a pair of traditional beaded slippers for her birthday.

The whole neighborhood helps Dr. Anna and Baker Aker celebrate their wedding, including Daniel, who has an important job as ring bearer.

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

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

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Theodore Roosevelt helps Brad overcome his dislike of creepy crawly things, showing him that nature needs space to live and grow; Eleanor Roosevelt teaches Xavier that any job can be amazing as long as you help others.

Alma and Rafia try to give away rubber bands; Alma and Rafia think they've invited too many people to Safina's bake sale.

Buster receives chocolates in the mail and tries to figure out who sent them; James receives a toy lamb that is said to give its owner special powers.

The Wild Kratts are accidentally miniaturized while adventuring in the Amazon; they set out to retrieve the Miniaturizer stolen by a monkey, relying on the powers of the poison frog.

From Ireland to the Greek Isles, a look at Stone Age cave paintings, megaliths and mysterious goddesses.

A Tiffany & Co. gold and platinum purse circa 1915; an Ernie Barnes oil painting circa 1963; a Ming Dynasty bronze vase.

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.

Social, political and economic trends of American agriculture.

Artists from near and far perform original sets and share their musical journeys.

Grammy Award nominee and R&B innovator Leon Thomas showcases songs from "Mutt" and "PHOLKS.".

Chastity Brown Feat. Humbird Mining the roots of Americana, folk, and soul music.

Best known for his electric guitar, Buckethead's music spans metal, funk, blues, jazz, bluegrass and avant-garde.