Disabled activists help Samuel Habib, 21, navigate the path to adulthood.

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

A 1952 Joe Louis-signed whiskey bottle; Sheraton sideboard circa 1820; a 1928 New York Yankees team-signed baseball.

Peanut farm; Pepsi-glazed pork belly with country ham-braised peanuts; boiled peanuts.

A man dies on a bus after having a violent coughing fit, and police discover that the victim has multiple identities and a history of eco-terrorism; Detective Bea is warned off the case.

Alphy and Geordie investigate when a member of a rock band is murdered; Alphy struggles with some family history.

Olav arrives from England as America enters the war; Missy becomes suspicious of ties between Martha and the president; a Nazi plot unfolds.

Arthur and D.W. look for a place to keep cool; Grandma Thora takes in a stray dog.

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

Martin and Chris must take Aviva's new Creature Power Challenge when they argue over who gets to keep a creature souvenir.

Alma and friends look for coquí frogs; Alma helps André complete a chalk masterpiece.

Liana and Lyla put together a puzzle with more than 1,000 pieces; Lyla and Luke construct a train using household materials.

Carl doesn't know what to do when Nico falls; Carl learns a new word - shindig.

Daniel and O play post office; Jodi uses things in nature to make a homemade boat.

Rosie and Javi want to play Abuela's song for Music Night at Tia's Restaurant; Rosie wants to be an inventor.

Elmo is feeling excited and a little scared to go down the big slide for the very first time; Chris helps Elmo by holding his hand as he goes down the slide.

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

Donkey and Panda deliver Grampy's piano to him after it was sent to Donkey's windmill by mistake; Panda wants to win the Bongo-lympics.

Peter learns to play the blues on his harmonica; Peter decides to host a silly song contest.

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.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

Molly and Vera think about teaching more tourists in Qyah about wildfire prevention; Molly can't wait to hunt for seagull eggs.

Jigonsaseh, the original Haudenosaunee Clan Mother, inspires the trio to stop arguing with each other; Sacagawea helps Xavier and Brad realize they shouldn't underestimate Yadina just because she's younger than them.

Daniel and O play post office; Jodi uses things in nature to make a homemade boat.

Arthur and D.W. look for a place to keep cool; Grandma Thora takes in a stray dog.

Babe Ruth archive; Japanese Komai iron and gold vase circa 1890; Virginia federal walnut cellarette.

A Norman Rockwell charcoal self-portrait, circa 1976; a 1958 signed Indy 500 racing flag; an 1883 Victorian wedding ensemble.

Actors Cliff Parisi and Judy Parfitt ("Call the Midwife") team up with Catherine Southon and Phillip Serrell; they start their hunt for antiques in Kent before heading to an auction in Norfolk.

Actor Bob Odenkirk and comic Iliza Shlesinger explore their family histories and learn about relatives who took great risks to overcome hardships.

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

Journalist Sunny Hostin and actor Jesse Williams learn that their ancestors come from very diverse places.

Michelangelo's rivalry with Raphael reaches new heights while a violent religious schism engulfs Europe.

The story of Maya Lin, the young architect behind the Vietnam Veterans Memorial, whose design sparked controversy and public attacks.

The evolving meaning of the Statue of Liberty and how it embodies values and conflicts in America, from abolition to the treatment of refugees.

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

Michelangelo's rivalry with Raphael reaches new heights while a violent religious schism engulfs Europe.

The story of Maya Lin, the young architect behind the Vietnam Veterans Memorial, whose design sparked controversy and public attacks.

Disabled activists help Samuel Habib, 21, navigate the path to adulthood.

Lynne Rossetto Kasper; pasta with balsamic vinegar; Roberto Donna; pasta with pesto sauce.

Buster comes home from his world travels; a musical moose sums up Buster's concerns about fitting it.

The agents must figure out who is in charge when Ms. O leaves for a super-secret mission; Otis and Olympia get a new robot partner.

Martin and Chris help out when a bald eagle suddenly goes missing.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

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

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

Daniel and his friends set up a lemonade stand; Daniel repeats his checklist out loud so he remembers everything he needs for school.

Rosie, Javi and Papa use different kinds of transportation to bring Tia her lucky spoon before her train leaves; Crystal's disc gets stuck in a tree.

Elmo shares his scooter with Zoe and learns how to be patient and wait for his turn, while she practices and learns how to ride.

Sammy and Benito find a way to communicate; Sammy makes plans for his mom's visit.

Jess Mouse, Donkey and Panda seek a hiding moth; Donkey makes up a song while she waits for Turtle-Lou to deliver her guitar.

When a new girl, Iris, moves in across the street, Pinkalicious makes a new friend; Pinkalicious and Peter use Peter's new spy gear when they overhear Mayor Martinez say that everything pink has to go.

Elinor and her friends each have their own ideas about how to build a couch cushion castle; Ari can't remember where he left his favorite ball.

Alma helps Junior after he accidentally ruins his dinosaur Halloween costume; Alma, Rafia and Lucas are in charge of the Haunted Hallway.

Molly teaches tourists how to fish responsibly; Molly helps Randall hide his long hair.

William Shakespeare shows Brad that it is alright to feel how he is feeling; Katherine Johnson encourages Yadina to be proud of her love for turtles.

Daniel and his friends set up a lemonade stand; Daniel repeats his checklist out loud so he remembers everything he needs for school.

Buster comes home from his world travels; a musical moose sums up Buster's concerns about fitting it.

Francis Sommer astronomical regulator clock; 1899 Oscar Wilde manuscript poem; a 1960 René Portocarrero Catedral oil.

Memories of the Pontchartrain Beach Zephyr, Canal Street Streetcar, trips along the New Basin Canal and more.

Theodore Roosevelt campaigns for America to enter World War I; Franklin Delano Roosevelt serves as Secretary of the Navy; Theodore's death at age 60 provides Franklin with a major opportunity.

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

The dangerous journey of the Pachyrhinosaurus, where survival is at stake during the annual migration hundreds of miles north.

A journey down the Colorado River to discover the ripple effects of humanity's quest to conquer water.

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

Historic present-day restaurants, hosted by Peggy Scott Laborde.

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

A journey down the Colorado River to discover the ripple effects of humanity's quest to conquer water.

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

The cooks have a last chance to impress before the finale; the cooks prepare dishes inspired by a close friend and recipes that changed their lives.

The three remaining home cooks get ready for a grand finale feast; in the final round, the home cooks prepare an entire meal that represents their "Great American Recipe.".

Journalist Sunny Hostin and actor Jesse Williams learn that their ancestors come from very diverse places.

Buster Baxter is determined to find out why Fern feels low; Buster searches for a new best friend while Arthur is away.

The Agents organize a party for villains; Agent Overhill is retiring from Odd Squad, but has one last villain to catch first.

Martin and Chris take Jimmy to a swimming tutor - a sea otter named Coach.

Alma helps Junior after he accidentally ruins his dinosaur Halloween costume; Alma, Rafia and Lucas are in charge of the Haunted Hallway.

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

Arugula and Carl go on an adventure as archaeologists; Carl spots a UFO on Mother's Day.

Daniel is afraid he does not look like himself when he wears a blue sweater; Daniel's teacher has a new hairstyle.

It's Recycling Day, so Rosie becomes a recycling kid, but she accidentally recycles Crystal's art project; when Rosie and Javi find a monarch butterfly in the backyard, they try to figure out what it needs so it can flutter again.

Elmo and Abby help Crystal the Ball come up with a morning routine, so she can be ready to go out and play.

Ice cream for breakfast; Zeke tackles cleaning Super's closet.

Captain Donkey and her crew search for the Ruby Red Tater Treasure; Panda finds his favorite hoodie, but it no longer fits.

Pinkalicious and Peter start a lemonade stand to save money for art supplies and toys; Pinkalicious makes a new pair of sneakers.

Noisy birds keep Elinor's dad awake; Elinor loses her voice just before she and her friends are supposed to sing for the class.

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

Tooey is upset when his teacher gives him a nickname; Molly and Walter are on a boat when suddenly the engine fails.

Xavier learns that he is a special person just the way he is after he has a playdate with Fred Rogers.

Daniel is afraid he does not look like himself when he wears a blue sweater; Daniel's teacher has a new hairstyle.

Buster Baxter is determined to find out why Fern feels low; Buster searches for a new best friend while Arthur is away.

An 1890 Frederic Remington watercolor; a 1970 Jimi Hendrix collection; an 1879 James A.M. Whistler "The Palaces" etching.

A journey down the Colorado River to discover the ripple effects of humanity's quest to conquer water.

The internal changes humans enact that have the potential to impact broader communities and societies.

Scientists investigate the lives of Australia's animals, from koala bears to fruit bats to kangaroos.

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

New Orleans' exclusive arts and entertainment.

Fiona Bruce and the team visit Sefton Park in Liverpool, England, where treasures include a medal given to one of the first men to land on D-Day, a dress by Ossie Clark and spoons used by Captain Cook.

Father Brown is immobilized with a broken leg when a member of Kembleford's WI dies in mysterious circumstances.

Phryne investigates when a professor's corpse shows up in an anatomy lecture.

Sunny and Jess' separate personal lives fall into chaos.

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

Father Brown is immobilized with a broken leg when a member of Kembleford's WI dies in mysterious circumstances.

Phryne investigates when a professor's corpse shows up in an anatomy lecture.

Sunny and Jess' separate personal lives fall into chaos.

A journey down the Colorado River to discover the ripple effects of humanity's quest to conquer water.

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

A young guitar-playing rooster comes to the Bebop Barnyard to join jazz greats Duck Ellington, Mules Davis, Ella Finchgerald and Lil Herdin, where he must learn new skills in order to play together in a jazz band.

When a rogue wave crashes into the Tortuga, the Wild Kratts get separated; Jimmy and Aviva end up on rafts in the middle of the ocean. Koki is trapped on a sinking Tortuga.

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

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 medium-sized fuchsia yo-yo goes missing from his collection; a rainy day changes Carl's pool day plans.

Mom and Dad Tiger prepare a nervous Daniel for his first trip to the hospital.

Rosie tries to make a snowy winter in the backyard for Mom; Lote falls in the river during a hike in a national park.

Fred the Flamingo visits Sesame Street for a family reunion; Elmo, Rudy, and Nina learn all about flamingos - from why their smiles are upside down to how the color of their feathers change from white to pink.

The Wombats use a 3D printer to save Cake Day when Mr. E's cake table collapses; the Wombats create a pretend vacation to cheer up Buckley.

Duck wants to fly with the bigger birds; Donkey loses Bob Dog's favorite toy.

Pinkalicious and Peter's babysitter, Indigo, teaches them how to walk on stilts; Pinkalicious and her friends make a mandala out of shells at the beach.

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.

When Alma and her family travel to Puerto Rico to visit Papi's family, Alma can't wait to dance Bomba on the beach; her dancing plans are put on hold when an unmarked package containing a beautiful Bomba skirt is dropped in front of her bisabuela.

Molly uses Indigenous knowledge to spot a storm.

Gwen Ifill shows Yadina that asking questions is a great way to get information; Matthew Henson shows Xavier and Brad that they can learn from each other.

A young guitar-playing rooster comes to the Bebop Barnyard to join jazz greats Duck Ellington, Mules Davis, Ella Finchgerald and Lil Herdin, where he must learn new skills in order to play together in a jazz band.

A 1952 Joe Louis-signed whiskey bottle; Sheraton sideboard circa 1820; a 1928 New York Yankees team-signed baseball.

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

The dangerous journey of the Pachyrhinosaurus, where survival is at stake during the annual migration hundreds of miles north.

Exploring Europe's Danube River, including secret tributaries, baby turtles and a waterfall riding kayakfdrder.

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

Media panelists discuss issues facing the New Orleans area.

Kara St. Cyr and Andre' Moreau anchor the weekly award winning show that focuses on the important issues in the state along with expert analysis of those issues.

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

Margaret Hoover leads interviews and debates.

The home cooks showcase freshly made bread and fruity treats for the annual Great American Recipe bake sale.

New Orleans' exclusive arts and entertainment.

Sterling K. Brown, Natasha Rothwell, Kathryn Hahn, Kathy Bates and Billy Bob Thornton.

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

Media panelists discuss issues facing the New Orleans area.

Kara St. Cyr and Andre' Moreau anchor the weekly award winning show that focuses on the important issues in the state along with expert analysis of those issues.

Exploring the sister cities of Alaska's capital, Juneau, and the capital of Canada's Yukon Territory, Whitehorse, where a pioneering culture of artistry and entrepreneurship thrive alongside the unforgiving wilderness.

The home cooks prepare their favorite comfort foods and special dishes they serve for loved ones.

Artists committed to passing their skills and passion to new generations include Barbara Teller Ornelas; Lynda Teller Pete; Therman Statom; Mark Mitsuda, Punahou School; and Linda Sikora, Alfred University.

Renovation of the 1920s brick cottage wraps up; touring the interior and new front yard; the next project location is revealed.

Installing a whole house humidifier system; how to quickly paint shutters in bulk; creating a triangular top outdoor end table out of teak wood.

Bob Trow's dog Barney stays with Fred Rogers; King Friday wants to give Ana a parrot.

Buster Baxter is determined to find out why Fern feels low; Buster searches for a new best friend while Arthur is away.

Martin and Chris take Jimmy to a swimming tutor - a sea otter named Coach.

When Alma and her family travel to Puerto Rico to visit Papi's family, Alma can't wait to dance Bomba on the beach; her dancing plans are put on hold when an unmarked package containing a beautiful Bomba skirt is dropped in front of her bisabuela.

Florist Phil Rulloda; anthurium varieties; a polopino entree; cocktail with hibiscus.

Building a storage wall cabinet helps to master essential woodworking skills that can be applied to other furniture.

Renovation of the 1920s brick cottage wraps up; touring the interior and new front yard; the next project location is revealed.

Installing a whole house humidifier system; how to quickly paint shutters in bulk; creating a triangular top outdoor end table out of teak wood.

Creole white beans and shrimp; smoked hog sandwiches with slaw; cochon de lait.

Boudin stuffed pork chop with Creole mustard cane syrup glaze; lyonnaise potatoes; shrimp scampi risotto.

Citrus glazed roast duck leg; mixed greens with smoked ham hock; candied sweet potatoes; sazerac.

Rice with plantains; turkey boiled dinner; Louisiana seafood boil.

Artichokes braised with parsley and prosciutto cotto; chocolate amaretti with hazelnuts; timballo with sausage ragul.

Thai grilled Cornish hens with chili dipping sauce; tahini; grill tongs; grilled pita stuffed with lamb.

Brunch burgers; browned butter chocolate chunk muffins; a review of cooking sprays.

Different variations of flatbread; Turkish pide breads; quick and easy yogurt flatbreads with flavored butter; potato-stuffed naan.

Saddle of lamb with fillet of beef; pear souffle.

Wood-grilled rib roast with chimichurri and salsa criolla; meat crust pizza; meatless mixed grill.

Preparing dishes from the heart of the Mediterranean diet, including grilled red mullet and village salad and braised lamb with a traditional peasant pasta.

Including protein in ways that are flavorful and fun; loin chops with spring farro salad; fitness and wellness expert Kendall Toole makes creamy lemon orzo pasta and a protein-filled sunrise smoothie.

The dangerous journey of the Pachyrhinosaurus, where survival is at stake during the annual migration hundreds of miles north.

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

Journalist Warren Bell researches family history and New Orleans' Black history in St. Louis Cemetery No. 2.

Songs include "Puff the Magic Dragon," "The Glow-Worm," "Sugartime" and "My Prayer.".

A Norman Rockwell charcoal self-portrait, circa 1976; a 1958 signed Indy 500 racing flag; an 1883 Victorian wedding ensemble.

Journalist Sunny Hostin and actor Jesse Williams learn that their ancestors come from very diverse places.

Franklin Delano Roosevelt runs for vice president in 1920, but he contracts polio; while serving as governor of New York, Democrats turn to him as their presidential nominee for 1932.

Rockers Pat Benatar and Neil Giraldo present a career-spanning hour of classic rock hits including "Heartbreaker," "We Belong" and "Love Is a Battlefield.".

A journey down the Colorado River to discover the ripple effects of humanity's quest to conquer water.

The dangerous journey of the Pachyrhinosaurus, where survival is at stake during the annual migration hundreds of miles north.

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

Exploring Europe's Danube River, including secret tributaries, baby turtles and a waterfall riding kayakfdrder.

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

Margaret Hoover leads interviews and debates.

Maggie Stewart sings a song and teaches it in sign language; batteries; learning from caring people.

Everyone is affected when a powerful hurricane hits Elwood City.

When a rogue wave crashes into the Tortuga, the Wild Kratts get separated; Jimmy and Aviva end up on rafts in the middle of the ocean. Koki is trapped on a sinking Tortuga.

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

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

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

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

Kara St. Cyr and Andre' Moreau anchor the weekly award winning show that focuses on the important issues in the state along with expert analysis of those issues.

Margaret Hoover leads interviews and debates.

Media panelists discuss issues facing the New Orleans area.

Renowned short story writer Eudora Welty is explored through interviews.

Creole white beans and shrimp; smoked hog sandwiches with slaw; cochon de lait.

Citrus glazed roast duck leg; mixed greens with smoked ham hock; candied sweet potatoes; sazerac.

A Norman Rockwell charcoal self-portrait, circa 1976; a 1958 signed Indy 500 racing flag; an 1883 Victorian wedding ensemble.

Exploring ancient Roman cities from England to Turkey, including their art, aqueducts, theaters and churches.

Ancient hot springs and volcanic rock define modern vineyards and a new way to dine in Calistoga, Calif.; American wine's place in the world; recipes for fried chicken and kale salad.

The story of how it all began - it's 12 years earlier and Duke and Eliza meet for the very first time.

Things are going well for Eliza until a familiar face shows up to question her role at Nash and Sons; Duke receives an offer that brings their relationship to a crisis point.

Eliza and Nash are still struggling to work together when an explosive case takes them into a cutthroat industry where people will kill to keep their secrets.

Eliza must find a fugitive charged with murder or risk losing everything.

Father Brown is immobilized with a broken leg when a member of Kembleford's WI dies in mysterious circumstances.

Exploring how the coverage of the unsolved 19th century case of Jack the Ripper created a template for the modern-day true crime obsession.

Cathy and Mrs. Chapman's new business venture hits a serious obstacle; Geordie secretly intervenes in Alphy's personal life.

A Nazi agent slips through the cracks; Martha travels to England and gets a shock; a Norwegian war hero meets a tragic fate.

While the war poses problems for Franz, Sisi must prove herself as ruler in Vienna - on her own.

When the women join the men on strike at the cannery, they receive an offer to run the machines; Lottie and Ernst meet again.

Cathy and Mrs. Chapman's new business venture hits a serious obstacle; Geordie secretly intervenes in Alphy's personal life.

A Nazi agent slips through the cracks; Martha travels to England and gets a shock; a Norwegian war hero meets a tragic fate.

The home cooks showcase freshly made bread and fruity treats for the annual Great American Recipe bake sale.

Exploring the sister cities of Alaska's capital, Juneau, and the capital of Canada's Yukon Territory, Whitehorse, where a pioneering culture of artistry and entrepreneurship thrive alongside the unforgiving wilderness.

Journalist Sunny Hostin and actor Jesse Williams learn that their ancestors come from very diverse places.

George has a lucky streak, so his friends ask him to wish for a snow day; Prunella makes the gymnastics team.

One of Oscar's Oscarbots malfunctions, causing chaos; Agent Ori's first day on the job is not a good one.

Chris finds a little lost red panda; before he can reunite her with her mother, Zach steals her, intent on giving her to Donita Donata as a birthday present.

When Alma and her family travel to Puerto Rico to visit Papi's family, Alma can't wait to dance Bomba on the beach; her dancing plans are put on hold when an unmarked package containing a beautiful Bomba skirt is dropped in front of her bisabuela.

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

Carl and Sheldon are on a thank you mission; Carl shows his friends the right way to play with pet rocks.

Prince Wednesday wishes he weren't so little; Daniel helps Dad build a playhouse.

Rosie helps Mom set up for story time when the Purple Knight visits the bookstore; Rosie and Javi make a strawberry horchata stand.

Reporter Grover is on the street finding out if people, monsters, and fairies can be friends even if they're of different ages, cheering for different sports teams, and like to do different things.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

As Someplace Else gets ready for New Year's Eve, Donkey Hodie prepares for her special family tradition with Grampy and Cousin Hodie.

Abby teaches Pinkalicious how to dance in a new way after she is injured; Peter loses his favorite hat.

Elinor's power goes out, making her house look different; Elinor's frisbee gets stuck in a tree.

On Alma's great-grandmother's 100th birthday, Alma wants to find Bisabuela the perfect gift; even though she can think of all kinds of things that Bisabuela likes, none of them are quite right.

Molly and Vera think about teaching more tourists in Qyah about wildfire prevention; Molly can't wait to hunt for seagull eggs.

David Suzuki explains to Xavier that by taking care of the earth, we take care of ourselves; Esther Martinez explains to Xavier and Yadina about how stories can connect people to their family histories.

Prince Wednesday wishes he weren't so little; Daniel helps Dad build a playhouse.

George has a lucky streak, so his friends ask him to wish for a snow day; Prunella makes the gymnastics team.

A Norman Rockwell charcoal self-portrait, circa 1976; a 1958 signed Indy 500 racing flag; an 1883 Victorian wedding ensemble.

Father Brown is immobilized with a broken leg when a member of Kembleford's WI dies in mysterious circumstances.

Phryne investigates when a professor's corpse shows up in an anatomy lecture.

Cathy and Mrs. Chapman's new business venture hits a serious obstacle; Geordie secretly intervenes in Alphy's personal life.

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

An 1898 Alphonse Mucha JOB poster; a 1974 George Nakashima "Kent Hall" floor lamp; a 1961 Ty Cobb-signed baseball.

A 1965 Noah Purifoy sculpture; Carroll O'Connor's Archie Bunker coat, circa 1970; Franz Bergman foundry Vienna bronze lamp circa 1920.

A group of New York residents, activists and nonprofit attorneys fight corrupt landlords for the basic human right to a home.

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

Fiona Bruce and the team visit Sefton Park in Liverpool, England, where treasures include a medal given to one of the first men to land on D-Day, a dress by Ossie Clark and spoons used by Captain Cook.

A 1965 Noah Purifoy sculpture; Carroll O'Connor's Archie Bunker coat, circa 1970; Franz Bergman foundry Vienna bronze lamp circa 1920.

Candied yams; candied yams with sorghum and pecans; a beef dinner features sweet potatoes.

Exploring how the coverage of the unsolved 19th century case of Jack the Ripper created a template for the modern-day true crime obsession.

Cathy and Mrs. Chapman's new business venture hits a serious obstacle; Geordie secretly intervenes in Alphy's personal life.

A Nazi agent slips through the cracks; Martha travels to England and gets a shock; a Norwegian war hero meets a tragic fate.

Francine and Muffy discover that their ancestors weren't famous; "The Magic Toolbox" TV show comes to Mr. Ratburn's class.

Olive goes under cover in a rock-paper-scissors game.

The Kratt brothers take a day off from adventuring to go camping, where they meet a mischievous little moose calf.

On Alma's great-grandmother's 100th birthday, Alma wants to find Bisabuela the perfect gift; even though she can think of all kinds of things that Bisabuela likes, none of them are quite right.

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.

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.

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.

Uncle Steve takes the kids to the park for the Wonder Walrus show; Rosie and Javi make a space museum.

Elmo and Abby help Crystal the Ball come up with a morning routine, so she can be ready to go out and play.

Fergus plans an epic anniversary date for Felicia; the Fishmans want to put on an underwater circus act for the Treeborhood.

Donkey is disappointed to miss Cheesy Con after she hurts her hoof; Stanley's pals help him get things back on track for his one-dragon show.

Pinkalicious tries out being a princess for a day with the help of Sir Percy; Mommy and Pinkalicious and Daddy and Peter switch bodies.

Elinor, Olive and Ari get ready to go out and play in the snow; Elinor wants to learn how Velcro works.

Alma tries to keep her new cleats clean; Alma upsets her friends by changing the rules.

Molly teaches tourists how to fish responsibly; Molly helps Randall hide his long hair.

Xavier and Brad turn to Florence Nightingale for help with curing Yadina's hiccups; George Washington Carver explains the importance of plants.

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.

Francine and Muffy discover that their ancestors weren't famous; "The Magic Toolbox" TV show comes to Mr. Ratburn's class.

A 1943 Allen Ginsberg-signed yearbook; an 1884 Anna Pottery temperance snake jug; an Alfons Walde oil painting circa 1935.

An 1898 Alphonse Mucha JOB poster; a 1974 George Nakashima "Kent Hall" floor lamp; a 1961 Ty Cobb-signed baseball.

Actors Anna Chancellor and Holly Aird battle it out to find the best collectibles, looking at antique lamps, glittering shoe buckles and Georgian underpants.

Journalist Sunny Hostin and actor Jesse Williams learn that their ancestors come from very diverse places.

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

Comic Tracy Morgan and actor Anthony Ramos, both native New Yorkers, map their family trees.

The story behind the board game Monopoly.

How Israel ended up fighting wars in Gaza and Iran and the U.S. role; Benjamin Netanyahu's long campaign to defeat Iran and his relations with the U.S. over peace and Iran's nuclear ambitions.

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

Journalist Sunny Hostin and actor Jesse Williams learn that their ancestors come from very diverse places.

How Israel ended up fighting wars in Gaza and Iran and the U.S. role; Benjamin Netanyahu's long campaign to defeat Iran and his relations with the U.S. over peace and Iran's nuclear ambitions.

A group of New York residents, activists and nonprofit attorneys fight corrupt landlords for the basic human right to a home.

Candied yams; candied yams with sorghum and pecans; a beef dinner features sweet potatoes.

Arthur learns about making sacrifices when it comes time for D.W.'s spring pageant; D.W. tries to be patient while her new play set is put together.

Olive and Otto investigate why parts of the town turn snowy and cold during the summer; Olive and Otto question two suspects.

The gang sees the rare Spirit Bear of the Northern Pacific while looking for black bears.

Alma tries to keep her new cleats clean; Alma upsets her friends by changing the rules.

Liana and Louisa compete to see who is more outdoorsy; the Loops are bored on their camping trip until Lyla suggests a scavenger hunt.

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 takes care of the class pet; Daniel learns that taking care of Margaret makes him feel good.

Rosie wants Javi's popcorn for family movie night, so she tries to find the perfect trade; Rosie makes a seashell museum at the beach.

Reporter Grover is on the street finding out if people, monsters, and fairies can be friends even if they're of different ages, cheering for different sports teams, and like to do different things.

It's Backwards Day in the Treeborhood; Cece, Carly and Clyde have fun with patterns.

Cousin Hodie wants to play with Donkey on a tree swing; Duck Duck's new book club book is too huge for her and Donkey to read.

Norman the garden gnome learns how to use his imagination; Peter gets discouraged when he makes mistakes during a dance show.

The kids travel to Moose Mountain to retrieve Ari's plushie after it gets taken by an eagle.

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.

Tooey is upset when his teacher gives him a nickname; Molly and Walter are on a boat when suddenly the engine fails.

Isaac Newton shows Xavier that when it comes to solving something tricky, it's best to slow down and think through the problem; Golda Meir shows Yadina that she should tell people when there's a big problem, so it can be solved together.

Daniel takes care of the class pet; Daniel learns that taking care of Margaret makes him feel good.

Arthur learns about making sacrifices when it comes time for D.W.'s spring pageant; D.W. tries to be patient while her new play set is put together.

A Jackie Robinson archive circa 1938; 1960 GMT Master model Rolex; diamond and onyx jewelry circa 1920.

Memories of the Pontchartrain Beach Zephyr, Canal Street Streetcar, trips along the New Basin Canal and more.

Franklin Delano Roosevelt runs for vice president in 1920, but he contracts polio; while serving as governor of New York, Democrats turn to him as their presidential nominee for 1932.

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

The story of Lusotitan, a colossal, long-necked dinosaur, and its quest for love.

Tracing the arc of extinction from prehistory to the present, from fossils entombed in tar to cells frozen in hope.

A look at why the ancient Maya abandoned the cities they had lived in for centuries.

1960s New Orleans was an era of evolving social, political and cultural change.

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

Tracing the arc of extinction from prehistory to the present, from fossils entombed in tar to cells frozen in hope.

A look at why the ancient Maya abandoned the cities they had lived in for centuries.

Baking skills are put to the test when the cooks make both a baked breakfast item and their favorite bake sale good.

The story behind the board game Monopoly.

Comic Tracy Morgan and actor Anthony Ramos, both native New Yorkers, map their family trees.

Arthur wakes up in a strange part of town when he falls asleep on a bus; summer vacation is ending too quickly for Arthur.

The Terrible Three break into HQ intent on planning ultimate oddness; the Agents must close the containment units before oddness takes over the whole town.

Martin and Chris adventure with narwhals.

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.

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

The Fuentes Family gets a hammock from Abuela, but the kids must set up rules to keep things fair; Tía baked Iggy a dino cake for his birthday, but Rosie and Javi break her rule of not touching the cake, and now it's smushed.

Cookie Monster plays the Grover Game on Street Carnival Day.

Super babysits Herbert while the Wombats help organize his surprise birthday party; Sammy's mom, Yolanda, organizes a fun photo scavenger hunt.

Donkey and Panda must complete hard challenges to earn badges for Try Scouts; Donkey and Duck Duck teach Bob Dog a new game.

Pinkalicious and Peter volunteer to watch Toothy McSquint's parrot, Captain Feathers; Peter learns to blend in with his surroundings during a game of hide-and-seek.

Fluttering moths distract the kids when they try to sing their new Sunny Summer Song; the kids give away peaches to their friends in Animal Town.

Alma visits with Granny Isa by video chat; Alma must figure out how to help Chacho have fun.

Molly is eager to help the Kratt brothers track a missing wolf pack; Molly and friends investigate a strange noise.

Leonardo da Vinci helps Xavier realize it's ok to try many different after-school activities; Amelia Earhart shows Brad that if there is something he wants to do, he should do it.

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

Arthur wakes up in a strange part of town when he falls asleep on a bus; summer vacation is ending too quickly for Arthur.

A 1994 Pete Seeger original song; an 1889 George Hitchcock oil diptych; an 1861 Abraham Lincoln presidential pardon.

Tracing the arc of extinction from prehistory to the present, from fossils entombed in tar to cells frozen in hope.

The ways humans often see the concept of the future; the crucial need to think much bigger about what could come next; how everyone has more personal agency than they realize.

Spy creatures reveal an ocean full of intelligence and ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

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