A white rabbit seeks the meaning of Christmas.

Holiday music by the New Orleans Blend choir group from New Orleans' historic Hermann-Grima house. Local customs from Christmases past.

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

Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire.

The untold story behind Paris' most famous landmark and the race to build a monument that stands 1,000 feet high.

The cooks prepare their favorite comfort food and a dish inspired by a loved one; recipes range from bacon-wrapped meatloaf to chicken curry.

The cooks prepare grab-and-go meals, from breakfast burritos to musubi; in the second round, the cooks make home-baked treats and part of the first "Great American Recipe" Bake Sale.

The cooks take a culinary trip down memory lane as they prepare dishes in honor of special occasions and holiday traditions.

A snake gets lost in Arthur's house in "Hide and Snake"; Muffy and Francine grow apart in "Muffy's New Best Friend.".

A special task force shuts down the Odd Squad headquarters; Oona helps patients with an odd ailment.

Kratts find adventure in Madagascar.

Alma must learn a new way to celebrate when her family's Noche Buena traditions don't go as planned; Alma decides to make a do-over gift for Junior.

James tries to get home for Christmas; Skeldale House prepares for a new arrival.

Lyla and Everett make pins for New Year's Eve; Lyla and Everett clash while making a fun unboxing video for Phan Hardware's Summer Sale.

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 Prince Wednesday are afraid to go sledding when they see the hill's height; Daniel dances in "The Nutcracker Ballet.".

Rosie is so excited to celebrate Christmas with abuela in Mexico City that she forgets to bring her present.

C is on vacation and the other letters of the alphabet are trying to fill in; but then, all of the things that start with the letter C also go missing; everyone realizes the importance of all 26 letters and the difference one letter can make.

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

Donkey tries to act like a bird at Duck Duck's bird party, but she does not enjoy herself; Grampy and Donkey miss Gregory while he is away at camp.

Pinkalicious and Peter help Norman set up a garden; Pinkalicious gets a hat that turns everything into cupcakes.

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.

Nature Cat is visited by the spirits of Nature Past, Present, and Future, on Christmas Eve.

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.

Daniel and Prince Wednesday are afraid to go sledding when they see the hill's height; Daniel dances in "The Nutcracker Ballet.".

A snake gets lost in Arthur's house in "Hide and Snake"; Muffy and Francine grow apart in "Muffy's New Best Friend.".

A 1953 D'Angelico guitar; a couture ball gown circa 1885; Larry Bird game-worn sneakers.

A review of previous Earthshot finalist stories and the progress made in protecting and restoring the planet; host Hannah Waddingham.

Islanders restore Maui's watersheds through traditional Hawaiian wisdom.

Experts study southern sea otters to ensure their longtime survival on California's coast.

From jet skiers to herpetologists, manatees to snapping turtles, the wild Suwannee River inspires a whole range of passions.

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

New Orleans' exclusive arts and entertainment.

The team visits Aston Hall in Birmingham, where Fiona meets poet Benjamin Zephaniah and inspects Asian treasures inspired by moon landings.

Poirot has 32 hours to find the kidnapped prime minister.

A guillotine act at a magic show kills a magician's assistant and Miss Fisher is called in to solve the case.

A light aircraft crashes at a small local airfield; traces of sleeping pills found in the dead pilot's blood lead to a murder inquiry.

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

Poirot has 32 hours to find the kidnapped prime minister.

A guillotine act at a magic show kills a magician's assistant and Miss Fisher is called in to solve the case.

A light aircraft crashes at a small local airfield; traces of sleeping pills found in the dead pilot's blood lead to a murder inquiry.

A review of previous Earthshot finalist stories and the progress made in protecting and restoring the planet; host Hannah Waddingham.

Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire.

Arthur catches Buster sucking his thumb; Arthur and the gang create their own country, complete with no rules, laws or chores.

Olive and Otto help Santa find his reindeer; Oscar helps Ms. O get off Santa's naughty list.

Martin and Chris search for hispid hares in a wintery North American forest.

When Tia Gloria can't make it to Alma's spring concert, Alma brings the concert to her; Alma helps Safina with the puppies at the animal clinic.

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

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.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

Alan creates a game to make food shopping more fun.

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

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

Pinkalicious and Peterrific build a gingerbread house, but pieces of the house start to go missing; the Pinkerton family tries to get their Christmas spirit back after their ornaments break.

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

Hal finds a lone bird's egg in the woods and thinks he should take care of it forever; the gang sets up different challenges for the Crow-lympics.

Molly, Tooey and Trini make pumpkin boats after Trini's giant pumpkin crashes on the ground; Molly and Tooey find a stowaway baby fox in their sled bag.

Billie Jean King encourages Brad to take his first ballet class, even though he is worried about being the only boy in the class; Arthur Ashe helps Xavier, Yadina, and Brad see why they were wrong to exclude a new student at school from their game.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

A Rolex Daytona Cosmograph; a 1926 Leyendecker Saturday Evening Post illustration; a Donald Duck animation cell.

Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire.

The untold story behind Paris' most famous landmark and the race to build a monument that stands 1,000 feet high.

Scientists and engineers learn from artists while artists use new technologies in unexpected ways; a choreographer/engineer teaches robots to dance; a robot enables neurologically challenged children to paint.

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.

Baritone Josh Groban performs songs spanning various musical genres with guests Cyndi Lauper, Denée Benton, Tiler Peck and more.

The seaside home of Italian tenor Andrea Bocelli in Tuscany; visits to Forte dei Marmi, Lajatico and Lucca.

New Orleans' exclusive arts and entertainment.

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

Baritone Josh Groban performs songs spanning various musical genres with guests Cyndi Lauper, Denée Benton, Tiler Peck and more.

The cooks go out of their comfort zone with a surprise recipe swap challenge; the cooks prepare a dish that has been handed down for generations.

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.

Constructing a safe room in the basement; installing a composite deck; landscape plans are revealed; staying same in a tornado.

Creating a focal point wall; common sprinkler heads; installing a submersible sump pump to solve a flooded basement problem.

A graham cracker factory; Prince Tuesday's royal parents return.

Arthur catches Buster sucking his thumb; Arthur and the gang create their own country, complete with no rules, laws or chores.

Kratts find adventure in Madagascar.

Alma must learn a new way to celebrate when her family's Noche Buena traditions don't go as planned; Alma decides to make a do-over gift for Junior.

How roses became part of the identity of Portland, Ore.; souvenir artwork; greenhouse grower Peterkort Roses; Portland Flower Market.

An easy-to-build storage station for a grill features a prep area, bar height counter for serving and custom concrete counters.

Constructing a safe room in the basement; installing a composite deck; landscape plans are revealed; staying same in a tornado.

Creating a focal point wall; common sprinkler heads; installing a submersible sump pump to solve a flooded basement problem.

Pasta dishes that reflect the diverse food culture of New Orleans include tortellini in brodo, pasta on the bayou and baked spaghetti NOLA style.

Crab cakes with lemon vinaigrette; baked Louisiana oyster casserole; pillowcase cookies.

Stuffed mirliton; poached redfish; spiked eggnog.

Baked stuffed onions; seafood crepes; four cheese stuffed pork chops.

Crespelle manicotti with spinach; shrimp and spaghetti in lemon cream sauce.

Roasted oysters with mustard butter; baked brie en croute; non-alcoholic cocktails; bruschetta with artichoke hearts and Parmesan.

A visit to Edisto Island, S.C.; hoppin' john; orange rolls.

Thai-style coconut and chicken soup; the art of hot and sour soup with chicken and mushrooms; Thai salad rolls with green chili dipping sauce.

Shrimp and plantain torte; grilled tuna; chocolate cake.

Glazed pears and shortbread pecan praline; potstickers filled with dried plum and apricots; blind baking a pie crust for pumpkin and apple pies; homemade chocolate peppermint bark.

Preserved foods that sustained people during the Mexican Revolution; a family that has lived for generations at Hacienda de San Diego.

A versatile blossom that is colorful and bountiful; creating three dishes using local culinary influences and flavors in Sri Lanka.

Celebrating the 15 finalists and five winners of the 2023 Earthshot Prize; filmed in Singapore; scheduled performers include Bastille and OneRepublic.

A review of previous Earthshot finalist stories and the progress made in protecting and restoring the planet; host Hannah Waddingham.

Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire.

A white rabbit seeks the meaning of Christmas.

Holiday music by the New Orleans Blend choir group from New Orleans' historic Hermann-Grima house. Local customs from Christmases past.

Music includes "The Music Goes Round and Round," "Them There Eyes," "Sound of Music" medley, "The Lost Chord," "Sing, Sing, Sing" and "Without a Song.".

An 1813 Jane Austen "Pride and Prejudice" second edition; 1939-1940 baseball signatures and book; a Jehan Georges Vibert oil.

The Governor and Mrs. Landry bring viewers an evening of music and seasonal cheer featuring Grammy nominated country artist Deana Carter.

Actors Valerie Bertinelli and Brendan Fraser explore their family histories.

A reimagined performance of Handel's "The Messiah" from London's Royal Albert Hall.

Shops in Germany, France and Switzerland offer holiday treats and crafts.

Country singer-songwriter Parker McCollum; Robert Earl Keen performs and celebrates his retirement from the road.

A review of previous Earthshot finalist stories and the progress made in protecting and restoring the planet; host Hannah Waddingham.

The untold story behind Paris' most famous landmark and the race to build a monument that stands 1,000 feet high.

Scientists and engineers learn from artists while artists use new technologies in unexpected ways; a choreographer/engineer teaches robots to dance; a robot enables neurologically challenged children to paint.

Angela Merkel rises through male-dominated political ranks to become the first female chancellor of Germany.

Creating a focal point wall; common sprinkler heads; installing a submersible sump pump to solve a flooded basement problem.

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 Empire Brass Quintet; the Neighbors decorate for the festival.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

The Wild Kratts are on a rescue mission when they find out their favorite creatures are disappearing all around the world.

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

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.

Retailers of the recent past, Godchaux's, Gus Mayer, Kreeger's and more.

Crab cakes with lemon vinaigrette; baked Louisiana oyster casserole; pillowcase cookies.

Stuffed mirliton; poached redfish; spiked eggnog.

An antique Scottish golf club; a 1777 William Faden Philadelphia map; Andy Warhol "Fiesta Pig" and "Turtle" prints.

More than 250 student musicians in the Hope College Orchestra, Chapel Choir and College Chorus participate in Christmas Vespers, a tradition at Hope College since 1941.

The group performs holiday standards and originals, including "Let It Snow" and "Going Home for Christmas.".

Detective Fitzroy hires Eliza to look into a case of police corruption after he sees a colleague plant evidence on a suspect.

Eliza is on the verge of earning life-changing money when she offers to help the heir to an unclaimed fortune.

Eliza receives a bomb in the mail, and teams up with the Duke, Moses and her old enemy Patrick Nash to find out who is behind the deadly delivery.

Poirot has 32 hours to find the kidnapped prime minister.

How Sherlock found a life beyond his author on the stage and screen.

Busy and exhausted, James and Helen cannot get any time together; James hires a new trainee vet, but things do not work out as he expects.

Carmody is challenged with learning how to be a vet; the new farmers have an illness among their herd; Helen rallies the community to help the newcomers while she awaits some personal news.

Two years after his apparent death, Sherlock returns to solve a terrorist threat; John, having moved on with his life and angry that he wasn't told of Sherlock's plan to fake his own death, refuses to help.

Busy and exhausted, James and Helen cannot get any time together; James hires a new trainee vet, but things do not work out as he expects.

Carmody is challenged with learning how to be a vet; the new farmers have an illness among their herd; Helen rallies the community to help the newcomers while she awaits some personal news.

Baritone Josh Groban performs songs spanning various musical genres with guests Cyndi Lauper, Denée Benton, Tiler Peck and more.

More than 250 student musicians in the Hope College Orchestra, Chapel Choir and College Chorus participate in Christmas Vespers, a tradition at Hope College since 1941.

Cellist Yo-Yo Ma duels saxophonist Joshua Redman in "My Music Rules"; Arthur loves a children's show in "That's a Baby Show!".

Opie hosts the Odd Squad Superfan tour but finds out a villain has joined in disguise; Orli and Ozzie must solve 37 cases in order to get access to an exclusive club.

The gang uses Aviva's new Sniff-Tracker 1000 to track down Chris after he is caught and carried off by a red fox.

Alma must learn a new way to celebrate when her family's Noche Buena traditions don't go as planned; Alma decides to make a do-over gift for Junior.

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

Lotta is determined to show Skyler that she is more than just "headphone girl"; the new kid in school causes a hullabaloo on the playground.

Daniel is excited to play a snowflake in the Neighborhood's Snowflake Day Show.

Rosie is so excited to celebrate Christmas with abuela in Mexico City that she forgets to bring her present.

Elmo keeps practicing and does not give up until he learns how to play "Twinkle Twinkle Little Star" on his piano.

The wombats battle sea monsters, surfing scoundrels and pointy rocks on their way to make a sandwich delivery; Mr. E. buys a robot to hand out balloons.

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 build a snow alarm so they don't miss out on playing in the cold; Pinkalicious earns a ribbon for her good deeds.

Elinor worries how her chickadee friend Chicky will find food during the winter; Elinor and her friends decide to give Senor Tapir a going away present.

Nature Cat tries to figure out a way to complete the Outdoor Nature Warrior Challenge and stay cool during a heat wave; the group plays hide-and-seek with Screechy the screech owl.

Auntie Midge loves to emcee Spring Carnival, but an injured hip throws a wrench in her plans; Tooey outgrows an ugly, hand-me-down Christmas sweater.

Xavier learns that asking questions can lead to exciting discoveries; Xavier learns it's normal to feel different emotions when it comes his turn to jump off the diving board.

Daniel is excited to play a snowflake in the Neighborhood's Snowflake Day Show.

Cellist Yo-Yo Ma duels saxophonist Joshua Redman in "My Music Rules"; Arthur loves a children's show in "That's a Baby Show!".

An 1813 Jane Austen "Pride and Prejudice" second edition; 1939-1940 baseball signatures and book; a Jehan Georges Vibert oil.

Poirot has 32 hours to find the kidnapped prime minister.

A guillotine act at a magic show kills a magician's assistant and Miss Fisher is called in to solve the case.

How Sherlock found a life beyond his author on the stage and screen.

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

A 1791 Jane Young world map needlework; an Albert Einstein collection; Carlo Giuliano earrings and necklace circa 1890.

Highlights from past seasons include an 1863 Temperance lithograph, a letter from Gerald Ford to his kindergarten teacher, and a dress worn by Marilyn Monroe.

Mary Berry travels to her mother's homeland, Scotland, to cook a Christmas holiday feast with her friends Andy Murray, Iain Stirling and Emeli Sandé.

Mr. Bingle, downtown decorations, rare snowfalls, and bonfires along the Mississippi illustrate holiday time in the region.

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

A 1791 Jane Young world map needlework; an Albert Einstein collection; Carlo Giuliano earrings and necklace circa 1890.

Highlights from past seasons include an 1863 Temperance lithograph, a letter from Gerald Ford to his kindergarten teacher, and a dress worn by Marilyn Monroe.

Small-town local flair is in abundance throughout the Christmas markets in the Alsace region of France, which feature everything from old-world crafts to traditional wine making.

Busy and exhausted, James and Helen cannot get any time together; James hires a new trainee vet, but things do not work out as he expects.

Carmody is challenged with learning how to be a vet; the new farmers have an illness among their herd; Helen rallies the community to help the newcomers while she awaits some personal news.

D.W. tells her friends she is a fantastic skater, but she really is not; Muffy tries to prove to her friends that she is not spoiled.

Olive and Otto help Santa find his reindeer; Oscar helps Ms. O get off Santa's naughty list.

The Wild Kratts are on a rescue mission when they find out their favorite creatures are disappearing all around the world.

Lyla, Everett and her sisters build makeshift carnival games for their brother, Luke, using household and recycled materials; Louisa seeks help to create a special beat for her school presentation.

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.

The Cat in the Hat (Martin Short), Sally (Alexa Torrington), Nick (Jacob Ewaniuk) and Fish (Robert Tinkler) help a baby reindeer find its way home in time for Christmas.

Mia stands up for herself when James says she cannot play Goldilocks.

"The Hanukkah Problem" and "The Christmas Problem.".

Pinkalicious and Peterrific build a gingerbread house, but pieces of the house start to go missing; the Pinkerton family tries to get their Christmas spirit back after their ornaments break.

Leo, Andy and Carmen enlist Luna to help them save Christmas, learning about holiday traditions around the world along the way.

The Wild Kratts are on a rescue mission when they find out their favorite creatures are disappearing all around the world.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

Highlights from past seasons include an 1863 Temperance lithograph, a letter from Gerald Ford to his kindergarten teacher, and a dress worn by Marilyn Monroe.

A 1791 Jane Young world map needlework; an Albert Einstein collection; Carlo Giuliano earrings and necklace circa 1890.

Paralympic athletes Danny Crates and Liz Johnson shop their way around Suffolk and Essex buying up items to take to auction in Huntingdon, Cambridgeshire; knowledgeable experts David Harper and Arusha Irvine are on hand to help.

Actors Valerie Bertinelli and Brendan Fraser explore their family histories.

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

Singer Sammy Hagar and actor Ed O'Neill uncover their roots and discover deep family secrets.

Mr. Bingle, downtown decorations, rare snowfalls, and bonfires along the Mississippi illustrate holiday time in the region.

The Tabernacle Choir at Temple Square join Michael Maliakel and Lesley Nicol in performing classical and popular Christmas music.

A festive musical celebration of Christmas from Concordia University Irvine features vocal and instrumental musical ensembles.

Christmas markets come alive in Austria's Vienna and Salzburg, Hungary's Budapest, and Switzerland's Oberdorf; Melk Abbey.

A reimagined performance of Handel's "The Messiah" from London's Royal Albert Hall.

The Tabernacle Choir at Temple Square join Michael Maliakel and Lesley Nicol in performing classical and popular Christmas music.

British home cook Mary Berry prepares the ultimate Christmas feast with all the trimmings; chefs Angela Hartnett and Monica Galetti share favorite festive recipes; Mary and television host Rylan try to convert some children to Brussels sprouts.

A 1791 Jane Young world map needlework; an Albert Einstein collection; Carlo Giuliano earrings and necklace circa 1890.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

The Wild Kratts help stranded penguins in the Arctic.

Alma must learn a new way to celebrate when her family's Noche Buena traditions don't go as planned; Alma decides to make a do-over gift for Junior.

The Wild Kratts are on a rescue mission when they find out their favorite creatures are disappearing all around the world.

"The Hanukkah Problem" and "The Christmas Problem.".

After a water leak in their apartment, Charlie and her family prepare their special Shabbat dinner in the arbor with their friends Elmo, Alan, Big Bird and Tamir; they learn how to make challah bread and set a traditional Shabbat table.

Leo, Andy and Carmen enlist Luna to help them save Christmas, learning about holiday traditions around the world along the way.

Pinkalicious and Peterrific build a gingerbread house, but pieces of the house start to go missing; the Pinkerton family tries to get their Christmas spirit back after their ornaments break.

Nature Cat is visited by the spirits of Nature Past, Present, and Future, on Christmas Eve.

The Wild Kratts are on a rescue mission when they find out their favorite creatures are disappearing all around the world.

Arthur and his family prepare gifts and parties to celebrate Christmas, Hanukkah, Kwanzaa and Baxter Day.

Nearly 300 musicians from The Crane Chorus, the Crane Symphony Orchestra and select ensembles perform a variety of old and new holiday selections as well as Hanukkah related songs and hymns.

Mr. Bingle, downtown decorations, rare snowfalls, and bonfires along the Mississippi illustrate holiday time in the region.

Shops in Germany, France and Switzerland offer holiday treats and crafts.

The Tabernacle Choir at Temple Square join Michael Maliakel and Lesley Nicol in performing classical and popular Christmas music.

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

The funfair comes to Poplar adding a burst of color to the festive season, but there are other less welcome visitors to the borough including Hong Kong Flu and escaped prisoners.

The seaside home of Italian tenor Andrea Bocelli in Tuscany; visits to Forte dei Marmi, Lajatico and Lucca.

The funfair comes to Poplar adding a burst of color to the festive season, but there are other less welcome visitors to the borough including Hong Kong Flu and escaped prisoners.

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

Baritone Josh Groban performs songs spanning various musical genres with guests Cyndi Lauper, Denée Benton, Tiler Peck and more.

The funfair comes to Poplar adding a burst of color to the festive season, but there are other less welcome visitors to the borough including Hong Kong Flu and escaped prisoners.

Angela Merkel rises through male-dominated political ranks to become the first female chancellor of Germany.

D.W. plays a prank on Arthur when he camps in the backyard; Arthur and D.W. try to stay up until midnight on New Year's Eve.

Villain mastermind William Ocean plans to cover the entire world in water; the Dream Weaver turns Little O's dreams into nightmares.

The Wild Kratts kids wake to find the praying mantis cocoons have hatched -- and 200 babies are in their room.

Alma invites her friends to a Sonny Soto concert; Alma discovers that bearded dragons are not as scary as she thought.

Lyla gets a strike her first time bowling but gets frustrated when she realizes bowling isn't as easy as she thought it was; Lyla feels left out when Everett and Ale's friendship thrives.

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 learns how important it is to choose the right clothes to play in the snow; Katerina wants to wear her sparkly tutu all the time.

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

It's Grandparents' Day on Sesame Street; while Elmo, Tamir and Gabrielle help Grandma Nell prepare Grandpa ZZ's triple cheesy macareenie, they learn that the best part about making it is being able to cook together as a family.

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

The pals and Trolley try to keep a snow snurdle from melting; Panda invites his pals to a party on Planet Purple.

Pinkalicious and her friends build a sled run out of snow; when Felix the Frost Fairy falls asleep, Pinkalicious and Peter realize they must help so there will be winter window designs when everyone wakes up.

The kids make their own instruments so they can participate in Senor Tapir's concert; when Elinor's dad falls asleep during a campout, the kids use flashlights to communicate to each other.

Nature Cat wants to break the record for the world's tallest snow critter, but the snow fails to stick together; the heroes protect themselves from a hurricane.

Molly can't wait to catch her first fish, but the only thing she catches is Tooey's missing boot; Trini gets lost in a maze at the community fun-raiser.

Albert Einstein encourages Xavier to ask questions when he is curious about something; Carol Burnett helps Yadina overcome her fear of looking silly by explaining that sometimes it is good to laugh at yourself.

Daniel learns how important it is to choose the right clothes to play in the snow; Katerina wants to wear her sparkly tutu all the time.

D.W. plays a prank on Arthur when he camps in the backyard; Arthur and D.W. try to stay up until midnight on New Year's Eve.

A 1911 Patek Philippe silver deck chronometer; a diamond and platinum convertible necklace circa 1925; an 1864 Abraham Lincoln letter.

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.

From dolphins to cuttlefish, ocean animals possess emotions and behavior similar to humans, including the capacity to love, grieve, deceive and invent.

Arkansas embarks on a mission to earn recognition as an outdoor destination.

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 travel to Portchester Castle in Hampshire on the south coast of England, where treasures include a set of RAF medals awarded for extreme bravery to an airman who served in Dunkirk and the Battle of Britain.

Two wealthy women, Marie Marvelle and Yardley Chase, receive threatening letters.

An unidentified woman is killed outside an Air Force base captained by Phryne's old flame, Lyle Compton.

An ambitious mother is found dead at a climbing center, and her body has been staged to make it look like an accident.

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

Two wealthy women, Marie Marvelle and Yardley Chase, receive threatening letters.

An unidentified woman is killed outside an Air Force base captained by Phryne's old flame, Lyle Compton.

An ambitious mother is found dead at a climbing center, and her body has been staged to make it look like an accident.

Light and color in art, including Gothic cathedrals, Indian court painting and modern art.

The rise and fall of progress as an ideology; the civilizing project's contradictions trouble European artists.

Arthur enlists the help of an expert mouse catcher; Binky, Muffy and Ladonna find a kite in the park.

Ozzie is torn between solving oddness or helping Opie, who has been promoted to Head of the Department of Help; Ozzie has Bad-luck-itis.

The Wild Kratts discover how pond animals survive during winter.

Alma and Junior want to stay awake until midnight on New Year's Eve; when Eddie Mambo gets sick, Alma tries to help him get better.

Lyla and Everett make pins for New Year's Eve; Lyla and Everett clash while making a fun unboxing video for Phan Hardware's Summer Sale.

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

Katerina wishes she had a little sister; the Tiger family performs a special song during Family Day at the library.

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.

Elmo, Abby and Cookie Monster help Gabrielle build a maze for her class pet hamster.

The Treeborhood celebrates a parranda; the Wombats try to stay awake on New Year's Eve.

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

Pinkalicious and Jasmine make friendship bracelets for each other and promise to never take them off; Mommy's invention turns things upside down.

The kids learn the benefits of eating different colored foods; Olive tries to get a picture of a puffin.

Nature Cat and his pals find an injured baby fox while playing Wild Animal Rescue; Hal has a plan to bring nature to Sadie after she hurts her paw and has to stay home.

Molly and the gang organize an outhouse race to determine who will become Winter Champions; Molly creates a tutorial video to help Merna train her dog to find her keys.

Alvin Ailey shows Yadina that music and dance can help bring people together; Xavier learns that his imagination can keep him company when he feels lonely.

Katerina wishes she had a little sister; the Tiger family performs a special song during Family Day at the library.

Arthur enlists the help of an expert mouse catcher; Binky, Muffy and Ladonna find a kite in the park.

A Tiffany Studios inverted hanging shade; a 1919 A.J. Morse & Son U.S. Navy diving helmet; Wayland Flowers "Madame" puppet.

Preparing for the future as ice melts at all three poles -- the Arctic, Antarctic and the Himalayas.

Those working on the frontline of change examine how science, nature and tradition prepare the world for a rapidly evolving future as the planet heats up.

Glass is forged into playable cymbals; an array of food objects become sculpture; banana leaves are transformed into fabrice for the haute couture runway.