KODG-LD

Martha is pressured to exploit her friendship with President Roosevelt; Martha and her children get a surprise Christmas present.

Martha uses dinner-table tactics to help Norway; the first lady offers Martha unusual lessons in public speaking; the president treads dangerous ground with Martha.

Step into 19th-century Vienna in Otto Schenk's production of "Arabella" starring Rachel Willis-Sorensen in the title role.

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

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

With the war nearly over, the president's health takes a bad turn; Olav tries to keep Norway out of the hands of the Soviets as he faces rocky relations with Martha.

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

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

A group of engineers finds thousands of pounds of hidden cash at a shipyard.

Elizabeth I's image as a warrior queen, facilitated by myths and secrets about her victory over the Spanish Armada, shaped British national identity for centuries.

Everything comes to a head as Richard and Jim descend on Bayview; the family tries to heal and reconnect; the fallout from Mary's actions continues to reverberate.

When the Titanic goes down, Lord Grantham loses his heirs, and Mary loses her fiance.

Exploring the grounds of Highclere Castle on horseback; a look at the design of the castle and how it is used for entertaining.

Elizabeth I's image as a warrior queen, facilitated by myths and secrets about her victory over the Spanish Armada, shaped British national identity for centuries.

Everything comes to a head as Richard and Jim descend on Bayview; the family tries to heal and reconnect; the fallout from Mary's actions continues to reverberate.

When the Titanic goes down, Lord Grantham loses his heirs, and Mary loses her fiance.

Sabotage, murder and adultery at a pioneering RAF burns hospital brings Foyle face to face with the physical and emotional consequences of war.

Nature Cat and the gang help deliver a possum's letter to his wife in the big city; the crew must stop an evil gerbil from stealing the sunset.

After feeling left out, Luke decides to switch places with Stu; the Loops kids throw a surprise party for their parents.

When Binky's family adopts a baby girl from China, Binky worries about how his life will change and if his new sister will like him.

Olive and Otto are zapped into a comic book.

Martin and Chris uncover a plot by Donita Donata to capture sea horses to make living jewelry.

The Hunters head to a nearby mountain to learn about snow.

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

Lotta is frustrated learning a new dance, but realizes it is ok to experience music in her own way; Sheldon worries about telling Carl that he doesn't want to play pirates anymore.

Daniel's rushing to go on a boat ride causes him to break his toy boat.

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

Big Bird is meeting Snuffy at Hooper's for lunch, and everyone decides to surprise him with a Snuffy-sized sandwich named after him, the Snuffwich.

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 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.

Rosie and Javi's pirate adventure goes awry; Rosie has trouble choosing a job at the first Fun Club meeting.

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.

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

Molly finds a lost baby beluga and tries to reunite it with its mother; Molly and Grandpa Nat try to retrieve Molly's fishing hat after it floats away.

James Braidwood explains to Brad that being prepared can help him stay calm when he is feeling nervous; Xavier and Yadina learn that being responsible can involve making hard choices.

A Cartier Art Deco Tutti Frutti clutch circa 1925; a Carl Kauba cowboy bronze circa 1900; a Sumerian cuneiform tablet.

Onsite extraction of fossils of an ichthyosaur, a fish lizard that ruled during the time of the dinosaurs, and a 3-D reconstruction of the creature; host David Attenborough.

David Attenborough explores London's Natural History Museum and meets creatures from the past, brought to life by CGI, including a giant eagle and colossal snake.

Often overlooked, North America's tallgrass prairies are among the most dynamic and biodiverse ecosystems on Earth.

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

Entertainer Mel Brooks reflects on his prolific career, from Brooklyn, live television with Sid Caesar and Broadway all the way to Hollywood.

Finds include a 1961 JFK Santa Claus Letter, a 1979 Ed Ruscha Stage Fright ink on paper and a John Juzek violin circa 1950.

An 1880 Celia Thaxter hand-painted vase; a 1964 Presidential Rolex with the box and papers; a Mary Elizabeth Price painted screen circa 1925.

Filmmaker Vicky Du traces her family's mental illness back to the Chinese Communist Revolution of 1949.

Pulitzer Prize-winning author Doris Kearns Goodwin.

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

Finds include a 1961 JFK Santa Claus Letter, a 1979 Ed Ruscha Stage Fright ink on paper and a John Juzek violin circa 1950.

An 1880 Celia Thaxter hand-painted vase; a 1964 Presidential Rolex with the box and papers; a Mary Elizabeth Price painted screen circa 1925.

Filmmaker Vicky Du traces her family's mental illness back to the Chinese Communist Revolution of 1949.

Pulitzer Prize-winning author Doris Kearns Goodwin.

The gang searches for the Leaf Fairy; Nature Cat's waterskiing stunts are interrupted by a swarm of bugs.

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

Muffy's dad is the new soccer coach; Binky refuses to play in band practice.

Orli and Ozzie must find two grown-ups lost in HQ; Odd Squad goes undercover at a villain wedding.

The Wild Kratts find a lost otter cub.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

The Loops go on a scavenger hunt around the supermarket to solve clues to get tickets to "Oaty Zappers on Ice"; Lyla tries to act older so she can hang out with her cousin.

Carl loves the new sweater his Pop Pop knit him, but it feels itchy when he wears it; Carl is nervous about his new school bus stop.

Daniel is excited to learn something new about Trolley.

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

Abby, Big Bird and Cookie Monster play against Gabrielle, Zoe and Elmo in I Wonder If We Can Use This, a game where they figure out if items can be used for something.

Ellie's so excited to be going home to Jamaica that the Wombats and Mr. E start to worry whether she'll come back; Buckley comes over for a playdate with Zadie.

Donkey and Grampy try to make an old family recipe; Donkey and Panda are excited to try a new cereal.

Rosie and her friends pretend to be pirates, but they need a globe to plan a route around the world; June and Rosie plan a virtual breakfast.

Elinor and her friends learn what makes Olive's mom's curry so spicy; Ari's muscles hurt after playing too much baseball.

Alma is excited when she grows a pepper that looks like Chacho; Alma rides the 6 train all day.

Molly and Vera want to make lumpia, a tradition from the Philippines, for Vera's mom; a bunch of ladybugs gets loose in the Trading Post during a spooky sleepover.

Jesse Owens encourages Brad after he becomes frustrated with bowling; Ella Fitzgerald inspires a nervous Brad to go to a dance party.

A 1969 Woodstock jacket and program; a silk wedding gown circa 1875; Jane Peterson oil circa 1925; a visit to the International Balloon Museum.

Exploring the quantum universe.

Pioneers from Guatemala to Japan share space with wildlife and restore the way we coexist and cultivate among the trees.

The historic William S. Hart Park and Museum in Newhall.

The California Coastal National Monument runs the entire length of the coast between Oregon and Mexico, and it extends 12 nautical miles off shore.

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

Jamie Chung, Cyndi Lauper and Danny Trejo retrace the journeys of their immigrant ancestors.

Traveling across China and the American South to reveal the ancestry of novelist Amy Tan and poet Rita Dove.

Exploring the life and legacy of Black civil rights pioneer W.E.B. Du Bois, including how he transcended the social constraints of the early 20th century and worked to elevate the lives of Black people worldwide.

Martin Luther King Jr. helps drive change in the United States in the face of bitter opposition, not least from opponents within the U.S. government; King is subjected to a fierce campaign of intimidation by J. Edgar Hoover's FBI.

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

Traveling across China and the American South to reveal the ancestry of novelist Amy Tan and poet Rita Dove.

Exploring the life and legacy of Black civil rights pioneer W.E.B. Du Bois, including how he transcended the social constraints of the early 20th century and worked to elevate the lives of Black people worldwide.

Martin Luther King Jr. helps drive change in the United States in the face of bitter opposition, not least from opponents within the U.S. government; King is subjected to a fierce campaign of intimidation by J. Edgar Hoover's FBI.

The gang goes looking for their Nature Nap hammock; Nature Cat and his pals help an oyster named Elroy get back home.

The Loops go on a scavenger hunt around the supermarket to solve clues to get tickets to "Oaty Zappers on Ice"; Lyla tries to act older so she can hang out with her cousin.

Arthur scrambles to fix his mother's computer before she finds out he broke it; Francine gets blamed when Muffy cheats on a math test.

The agents turn to Odd Todd for help when things in town get covered in jam; agents have a hard time relaxing at lunch.

The team explores the American prairie and bison.

The Hunters investigate a weather mystery surrounding massive rocks that move on their own in the desert.

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

Daniel makes a sea turtle for his class mural at school; Prince Wednesday and Chrissie find a caterpillar.

Phoebe and Jay accidentally get paint on the mail and have to decode addresses; Phoebe and Jay find their parents' box of memories.

Tango loses focus when Elmo tries to teach him a new trick.

Kaya's cooking class; the Wombats go on a treasure hunt.

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

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

Elinor and her friends set out to return Ms. Mole's glasses to her after she forgets them at school; Elinor and her friends want to bring Ms. Mole a cupcake for her birthday.

Alma and her friends try to help Howard get over his fear of pigeons; Alma is invited to have dinner with André and his dad.

Ronald, a meticulous, rule-following pig, and Roxy, a free-spirited musical hedgehog, explore the "wows" of one of America's most extraordinary places -- Sequoia National Park.

A 1969 Jasper Johns flag print; 1939 inscribed "Pinocchio" book; Imperial jade snuff bottle.

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

American GIs arrive, but one is suspected in the death of a barmaid.

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

From beavers reshaping wetlands to crayfish living deep underground, aquatic systems reveal the prairies' hidden vitality.

Exploring seven animal songs found in nature and their significance in the lives of their species, from the song of the largest lemur to the song of the humpback whale.

Paleontologists uncover a whole new species of whale in a parched valley not far from Cairo.

Stories of people setting a new standard for aquatic wildlife protection, from the reefs of Indonesia to an Idaho beaver dam.

From beavers reshaping wetlands to crayfish living deep underground, aquatic systems reveal the prairies' hidden vitality.

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

Exploring seven animal songs found in nature and their significance in the lives of their species, from the song of the largest lemur to the song of the humpback whale.

Paleontologists uncover a whole new species of whale in a parched valley not far from Cairo.

Stories of people setting a new standard for aquatic wildlife protection, from the reefs of Indonesia to an Idaho beaver dam.

From beavers reshaping wetlands to crayfish living deep underground, aquatic systems reveal the prairies' hidden vitality.

Daisy gets ready for the Animal Science Fair.

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.

Arthur helps D.W. prepare for a bikeathon; Francine whips Arthur's baseball team into shape.

Omni and Onom must track down a mysterious creature with a peculiar habit; Orli has to help new recruit Osric complete his training.

Decoding the secret language of dolphins.

As a hurricane approaches, the Hunter kids learn about preparation and safety, moving furniture inside and checking their emergency supplies.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Carl thinks his potato display is the best idea to show his school spirit; Nico tries to join the Junior Nutty Buddy Nut Lovers' Club.

Prince Wednesday spills paint all over his pants and the floor but feels better after telling Teacher Harriet what happened; Daniel and Miss Elaina break her dad's old kite.

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.

Big Bird is meeting Snuffy at Hooper's for lunch, and everyone decides to surprise him with a Snuffy-sized sandwich named after him, the Snuffwich.

The Wombats are excited for "Show and Tell" but Super might be too busy to attend; Louisa decides the Treeborhood needs a way to announce fun events.

The pals help Gameshow Gator make up a new game that everyone can play; Donkey and Panda remind each other that they can cheer themselves up when they're down.

Rosie, Jun and Grandpa Liu go to the Asian Market to buy more sweet potato buns; Rosie and Javi help Tia overcome her stage fright when she goes on a television cooking show.

While delivering chocolates, the kids learn that warmer temperatures can melt treats; the kids help Mr. Raccoon calm down when he is having a bad day.

Mr. Piragua Man names a new flavor after Alma; Alma wants to keep playing with balloon animals, but André doesn't want to play anymore.

Molly and Tooey make an exhibit to honor Big Sulky, Qyah's oldest tree, after a windstorm knocks it down; Molly and Tooey organize a Funny Face Competition.

Roberto Clemente encourages Xavier, Yadina and Brad to help however they can when the museum water fountain breaks on a hot day; Kristi Yamaguchi shows Yadina that it is ok to ask for help when learning how to roller skate.

A 1962 sonic blue Fender Stratocaster; 1965 Beatles-signed photo and letter; French filigree earrings circa 1775.

Barnaby is called to investigate when a body is found in a relish factory.

Alan allies with the Post Office in hopes that his friends can finally get justice.

Exploring the sea caves at Santa Cruz Island by kayak.

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

Japanese American families document their confinement experience during World War II.

A journey of life, love, loss and redemption with the L.A. Harvard School class of 1974.

Among the millions of immigrants arriving in the United States at the turn of the 20th century were thousands of Muslims from Lebanon, then part of Greater Syria; host Aymann Ismail tells the story of two of these people.

Even before the United States is founded, tens of thousands of Muslims are already here, captured in West Africa and brought to colonial America in chains; Asma Khalid tells the story of one of these people.