K19GL-D

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

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.

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

Nicole Scherzinger performs Broadway favorites and pop hits including songs from "Sunset Boulevard" at Royal Albert Hall.

A visit to Juilliard Pre-College; Singapore's Chloe Chua.

Retired Justice Anthony Kennedy assesses the challenges facing the U.S. Supreme Court in President Donald Trump's second term.

Author and illustrator Eric Carle demonstrates how he created the artwork in his book "From Head to Toe.".

George gets help with reading and writing; D.W. begins to receive an allowance.

The gang gets separated during a twister on the prairie.

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

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

Daniel helps to take care of Margaret; at the farm, Daniel and Max take care of ducks and Peaches the horse; Prince Wednesday and Jodi learn how to take care of Prince Wednesday's new pet guinea pig when she needs to rest.

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.

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

Sammy plans a surprise Carnaval for his dad while Quique plans a surprise treat for his son; Malik performs a magic trick.

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

Rosie puts on a concert when Tia is unable to get tickets to see her favorite singer; Rosie loses her first tooth, and prepares to welcome both the Tooth Fairy and the Tooth Mouse.

André avoids a spooky movie night; Alma, Eddie and Junior write a hero song for Papi.

In his attempt to look extra green, Hacker unintentionally causes the weather in Stellandia to become too hot.

A 1960s poster suggests a battle between citizens and police; carving of Andrew Jackson; a basket tells the story of a Modoc War heroine.

Actors Derek Fowlds and Bill Simons ("Heartbeat") set off from Helmsley, North Yorkshire, and patrol the county before concluding with an auction in Ilkley, West Yorkshire; Phil Serrell and Kate Bliss are on hand to assist.

Prepping peppers; stuffing peppers.

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.

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

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

Helene Cooper, The New York Times; Jonathan Karl, ABC News; Missy Ryan, The Atlantic; Vivian Salama, The Atlantic.

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

America's national night of remembrance features stories and musical performances, as well as tributes to American Revolutionary militiamen, the 85th anniversary of Pearl Harbor and the 25th anniversary of the 9/11 attacks.

America's national night of remembrance features stories and musical performances, as well as tributes to American Revolutionary militiamen, the 85th anniversary of Pearl Harbor and the 25th anniversary of the 9/11 attacks.

Country performer Chris Stapleton delivers country-rock classics and tunes from "Higher.".

Mary's three suitors include a Turkish diplomat; the former life of Carson, the butler, is revealed.

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

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

Fern and the others try to make an upset Ladonna feel better after she finds out her family will have to move.

Big changes and bigger challenges occur when Olive is given her own Odd Squad to manage, while Otto is assigned a new partner in her absence.

Koki and Jimmy deal with mosquitoes in the Cypress Swamp.

Benny's toy penguin is swept away by melting snow, transforming a day of sledding into an urgent rescue mission.

Lyla and a new friend build a spaceship; Lyla learns her sisters can predict what the other wants, so she tries to do the same with Luke.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Daniel is excited about the Spring Sing at school, but is a bit hesitant when he finds out there will be a substitute teaching the routine to the students.

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

Elmo and friends have until the end of the day to set the record for the tallest cookie tower ever.

The Wombats program the "Toy Maker" when Mr. E's shipment is delayed; the Wombats track down a ruckus, discovering many noises along the way.

Donkey Hodie takes Cousin Hodie and Purple Panda on a road trip around Someplace Else, but the plan goes off course.

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

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.

Alma accidentally embarrasses Rafia during a sleepover at the community center; Alma and her friends jump in the leaves.

The sun stays up all night in Qyah; Trini can't run on her hurt ankle, but she can still cheer; she's planned a big surprise at the finish line; Molly and Tooey practice traditional Gwich'in river navigation so they can save Grandpa Nat.

Kofi Annan shows Yadina and Brad that finding a compromise can help everyone; William and Caroline Herschel show Xavier that by including Yadina in his magic show, it can make it even more fun.

Exercises that activate the brain; movement patterns for balance and gait.

Tom learns how to create a keepsake box out of island mango wood; Richard Trethewey learns how to add storage to an existing photovoltaic array; Roger helps a family grow an organic garden of raised beds and fruit trees that will grow well in Hawaii.

The diverse humans and creatures inhabiting the Kimberley region of Western Australia.

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.

A daily news summary from Europe with anchor Brent Goff.

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

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

A Hawaiian kou bowl; a Gandhi presentation spinning wheel; an 1888 Joseph Nawahi painting.

A Civil War Union soldier archive; Disneyland railroad hat badges circa 1957; an art deco diamond, sapphire and pearl necklace circa 1925.