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Performance footage of folk group Peter, Paul and Mary.

The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life.

Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.

Making chains from construction paper; when attempting to learn something, it's important to keep trying.

Francine meets an old woman who has a mysterious past; Binky ends up at Mr. Ratburn's haunted house; Muffy and Bailey cut through a dark cemetery; Arthur, Buster and Ladonna fear their treehouse may be haunted.

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

Phyllis McGuire, Pat Boone and Nick Clooney host a trip back to the 1950s with a mix of live performance and archival footage featuring classic moments from artists such as Perry Como, Debbie Reynolds and the McGuire Sisters.

Ambassador Mike Huckabee defends Trump's war in Iran, confronts eroding American support for Israel, and condemns a brutal settler attack on an American journalist in the West Bank.

Leigh Ann Caldwell, Puck; Stephen Hayes, The Dispatch; Zolan Kanno-Youngs, The New York Times; Nancy Youssef, The Atlantic.

Following the lives of two tiger mothers and how they raise their cubs on an island full of threats in the forests of western Nepal.

The surprising story of how our planet's diverse creatures became the furious feeding machines they are today.

Unseen documents and new sources illustrate the story of how France and the United States came together to produce the enduring symbol of freedom - the Statue of Liberty.

Seed plants and amniotes adapt to dry climates, helping them thrive on Pangea in the Permian Period.

A look at the environmental debate 20 years after "An Inconvenient Truth.".

Election results arrive, a new board stumbles and a national election heightens the stakes; a roundtable clarifies what division does to children.

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

Visiting Rome's biggest travel destinations -- the Colosseum, Forum, Pantheon, St. Peter's Basilica and Michelangelo's Sistine Chapel ceiling; bike riding on ancient cobbles; touring dramatic ruins.

A 1933 "Duck Soup" movie poster; an 1867 Carl Haag watercolor; an Edward Gilpin watch circa 1670.

Professor Tempest's mother is hospitalized; a murder occurs in the school.

Although he is injured, Maigret and his team continue investigating Adeline's past; when they uncover that she was the latest of three violent deaths, Maigret must decide whether to destroy two more lives.

The proceeds from the stolen Brink's-Mat gold are laundered through growing international criminal networks; the police pick up the trail as their investigation spread overseas.

Cristina and Bárbara pitch a new product line; Pedro learns a relative is coming to town.

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

The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life.

Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.

Performance footage of folk group Peter, Paul and Mary.

Buster's Uncle Bob tells him a spooky bedtime story about an encounter with a mysterious creature called the lycanbunny; Cheikh is worried that if he and his family become American citizens, then they will have to abandon their Senegalese culture.

Orwell and Omni must locate Onom before a cute creature destroys HQ; Odd Squad helps Monsieur Rapide get his speedy goggles back from his villain partner.

When a windstorm takes out the power, Freddie and Uncle Mars learn to rely on their neighbors to make it through; a life-changing biscuit inspires Rox to map out her neighborhood using personal landmarks.

The kids help Al put on a one-of-a-kind weather presentation when the power goes out.

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

Carl makes a new friend while visiting his dad; Lotta thinks if she copies Nico, everyone will like her.

Daniel is nervous when he visits school for the first time; Daniel makes a book about his doctor to help calm his nerves before his checkup.

Outta Space pulls the word "sun" apart to make Reader Valley cold and dark; a super-powered baby needs something only the Super Readers can deliver; Outta Space meddles with animal sounds.

Phoebe and Jay learn how to keep cool while using their thermometer to track the temperature in the apartment; Pete and Grandma Annie teach the kids how to tell time.

Francine meets an old woman who has a mysterious past; Binky ends up at Mr. Ratburn's haunted house; Muffy and Bailey cut through a dark cemetery; Arthur, Buster and Ladonna fear their treehouse may be haunted.

Donkey makes Grampy a special card, but she gets into a few sticky situations when she tries to deliver it to him; the pals help Harriett with her new invention for penguins.

While trick-or-treating, Rosie and Javi try to avoid a pirate ghost who may be haunting the cul-de-sac; Rosie and Javi offer to help make Crystal's haunted house spooky.

Elinor learns that the forest does its own composting; Elinor and her friends want to build snow-friends, but the snow isn't sticky enough.

Alma wants to borrow a new book from the library, but so do all her friends; Alma borrows a ukulele from the library but doesn't want to return it.

Molly helps Jake, who is non-Native, properly dress as Indigenous hero Walter Harper for Halloween; Molly is on a mission to find out what is causing the trees to turn rusty brown.

Pomegranate-glazed grilled lamb chops; radishes; asparagus salad with radishes.

Grilled chicken with adobo and sazón; a head-to-head tasting of medium jarred salsa; Puerto Rican sweet plantain and picadillo casserole.

D.I. Rachita Ray is promoted to homicide but realizes instantly she is a token hire.

A Kashmir sapphire and diamond ring; an Edwardian jockey chair; a Tlingit bowl and ladle.

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

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

Umbria's legacy lives through traditional weavers, replica painters, door makers and wood sculptors.

A Duncan Phyfe sewing table circa 1805; a 1924 Jane Peterson painting; Tiffany vases circa 1895.

Traveling through the Western United States, including Montana and Wyoming; buffalo and a nearly lost language return to the Blackfeet reservation; women entrepreneurs and a community wool mill rebuild rural economies.

A visual exploration of Black centennial farmers in the Southern U.S., including the enduring power of land ownership despite obstacles.

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

Luther Vandross performs during a record-breaking 10 standing-room-only shows at London's Wembley Arena during his 1988-1989 world tour.

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.

Celebrating the Grammy Award-winning group The Pointer Sisters in a 2024 concert spanning 50 years of hits.

Rick Steves celebrates the value of exploring the world as he captures the joys and rewards of travel with visits to Guatemala, Ethiopia, Palestine and Iran.

Buster's friends learn he has asthma in "Buster's Breathless"; Halloween pranks run amok in "The Fright Stuff.".

On the town's football derby day, Osric tries to solve a case while being followed by a documentary crew; Techie Tallulah heads to Niagara Falls on a mission that will get Orli out of Precinct 97531 so she can carry out her evil plan.

Freddie is bummed when Otto reports on her block party plans and the impending rainstorm; Otto explains the rules of journalism; Bosh's team can't decide on a flag design.

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

Lyla asks customers for their leftover pumpkins, but then gets way too many; Lyla and Luke put their sisters, Liana and Louisa, through a babysitting test.

Carl and his pals are excited about trick-or-treating until Forrest shares a spooky rumor that Mr. Price is a wizard who turns kids into chicken noodle soup.

Daniel's birthday cake is smushed during a bumpy ride on Trolley; Daniel, Prince Wednesday and Miss Elaina enjoy their picnic despite the rain.

A giant bookworm is eating its way through Reader Valley; Outta Space ruins a picnic by making it rain; Villains race the Super Readers.

Jay and Lupe use wayfinding signs to track down Phoebe; Pete and Craig face an epic hoops battle on the courts.

Rosita and Elmo play Beach ball Bop around Sesame Street, a game where they hit a ball into the air and don't let it touch the ground; Elmo feels angry and yells at Rosita when he hits the ball and accidentally knocks over his block tower.

Bex and Sammy have a sleepover at Yolanda's house; Zadie makes everyone mad when she invents a new dancing game but won't let anyone else be in charge.

Martin and Chris reveal some of the creepiest creature powers on the planet.

The kids each tell a spooky tale about a creature in nature who pretends to be scary; after Ari's sandwich grows mold, and he names it Doug, he's determined to learn more about it.

Alma is consumed with her starring role in a musical; Alma and Harper have a playdate at the Rivera house.

Molly plants fireweed in hopes of attracting a rare hummingbird; she must handle a surprise shipment when she organizes the Trading Post in preparation for winter.

Texas-style smoked beef ribs; charcoal; the history of self-rising flour; easy blueberry cobbler; a visit to El Paso, Texas.

Deviled pork chops; a tasting of dark chocolate chips; oven mitts for children; non-Newtonian fluids; thick-cut oven fries.

Rachita and the team race to track down Anjuli Kapoor, making more than one grim discovery in the process; this is no honor crime.

A 1934 Martin 000-18 guitar; Ansel Adams modern prints circa 1960; a Longines aviator watch circa 1938.

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

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

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

Singer-songwriter Bruce Springsteen and Bob Santelli, the Founding Director of the Bruce Springsteen Archives and Center for American Music, talk about what characterizes American music, the musicians who have influenced Springsteen, and the Springsteen Center's mission.

Neil Patrick Harris, Gloria Steinem and Sandra Cisneros are connected to pioneers who paved the way for modern-day descendants.

A panel of leaders in tech, culture, politics and journalism explores AI through challenging hypothetical scenarios: the choices local communities make, privacy and policing and its impact on our lives, with the goal of finding common ground.

Leadership lessons learned from presidents and first ladies.

Singer-songwriter Bruce Springsteen and Bob Santelli, the Founding Director of the Bruce Springsteen Archives and Center for American Music, talk about what characterizes American music, the musicians who have influenced Springsteen, and the Springsteen Center's mission.

Twenty-four hours a day, the latest national and international stories as they break.

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

Behind the scenes of the new Masterpiece series inspired by The Forsyte Saga novels about a wealthy stockbroking Victorian-era family.

Celebrating picnics and barbecue with Chris Fennimore and the America's Home Cooking team; recipes include horseradish potato salad, baked beans, apple hand pies and more summer favorites.

Celebrating Europe's art and creative geniuses, from Leonardo da Vinci to Vincent van Gogh; Florence's bold "rebirth" after Europe's medieval struggles; impressionist works of the late 1800s.

Fern's tale scares Arthur and the gang so much they become afraid of her; Binky tries to teach D.W. how to dance.

Ozzie and Orli travel to the future with the hope of saving Odd Squad; Ozzie and Orli must think outside the box to save Odd Squad.

Freddie comes up with a plan to make the most of Zip's extra soccer snacks; a fabulous vintage find sends Roz and Freddie on a quest to uncover the history of a local boutique.

Unexpected humidity threatens to jeopardize Corky's video for the science day celebration at school.

Lyla feels guilty when she causes a group project to break; Lyla's glider toy gets stuck in a big puddle.

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.

Katerina has trouble deciding what she wants to be for Dress Up Day; the children show off their fancy costumes during the annual parade.

A ghost needs to find her "oo" sound; The Eraser gets greedy while trick-or-treating; Princess Presto's Halloween costume spell goes magically wrong.

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

While watching baby dragons for the first time, Abby, Elmo and crew join voices for a soothing bedtime bop to make sure the little beasties go to sleep.

The Wombats create a summer version of Halloween; the Wombats design and build their own snow globe.

Donkey and Panda's sleepover is all playing and dancing until the lights go out and a monster appears; Donkey and Panda try to climb Mt. Really High Up.

Rosie, Crystal and Iggy try to recreate Mom and Papá's beach anniversary tradition at home; it's Chiles en Nogada Day, but when Papá loses the recipe, it's up to Rosie to figure out who else might have it.

Olive wants to organize something special for her mom's birthday; Elinor, Ari and Olive make spiderweb decorations for Ms. Mole's classroom.

Martin and Chris reveal some of the creepiest creature powers on the planet.

San Diego fish tacos; tortilla chips; the history of shrimping in America; crispy fried shrimp.

All-butter pie dough and chocolate cream pie; tasting of cocoa powder; dark chocolate fudge sauce.

The body count continues to rise as Rachita and the team uncover more evidence, leading them to believe they are dealing with highly dangerous organized criminals.

A rag doll named Chucky; a Leonora Carrington painting; a "Bride of Frankenstein" pressbook.

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

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

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

The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals; alongside them came apex predators like Dimetrodon.

A new tiger mom must keep her growing cub out of trouble while the returning male "king" of Tiger Island stalks the cubs of another tiger mom.

Discovering the process behind the incredible variety of animal shapes and sizes.

The 2022 discovery in Eastern Europe of more than 50 errant burials that indicate a perceived threat of vampirism in the 17th century.

The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals; alongside them came apex predators like Dimetrodon.

Steve Adubato holds four-person round table discussions that explore issues facing society.

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