KOCE-DT

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Set in Antarctica's Dry Valleys, Antarctica's glacial and icy ecosystems reveal how frozen landscapes can sustain surprising life forms.

In Beacon Valley, explorer Ariel Waldman reveals hidden ecosystems that persist despite extreme conditions.

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

Exploring Shirley MacLaine's career, including clips from many of her most notable projects including "Terms of Endearment," "Steel Magnolias" and "Downton Abbey.".

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

Green Bay Packers salesman's sample championship rings; Barbie dolls and wardrobe circa 1960; a 1977 Keith Haring Bean Salad lithograph.

The town of Natchez, Miss., confronts the tension between preservation and truth as it wrestles with race, memory and identity.

Author Tiya Miles discusses Harriet Tubman, from her birth to her activism and beyond.

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

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

Green Bay Packers salesman's sample championship rings; Barbie dolls and wardrobe circa 1960; a 1977 Keith Haring Bean Salad lithograph.

The town of Natchez, Miss., confronts the tension between preservation and truth as it wrestles with race, memory and identity.

Author Tiya Miles discusses Harriet Tubman, from her birth to her activism and beyond.

Nature Cat and pals hike to the top of Mighty Mountain; the pals split up after an argument.

Lyla and Stu help out when the neighborhood garbage truck malfunctions; Lyla and Louisa take a ride on the city bus and accidentally lose Stu.

D.W. doesn't want another pet after her bird, Spanky, dies; Buster's too busy to spend any time with Arthur.

Owen and Ohio provide backup on a case, so they can have a pizza party; an unlucky coin is accidentally released to the public.

A Creature Quiz challenge question about the differences between a crocodile and an alligator turns into a Crocogator contest.

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

Lyla struggles to sleep and tries to figure out what is wrong with her sleep routine; Lyla tries to do her own hairstyle.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

The Tiger Family goes to the restaurant for taco night; Music Man Stan comes to school for a musical story with the class.

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

Reporters Elmo and Abby offer strategies to Nursery Rhyme characters experiencing big feelings of excitement, nervousness and frustration.

The Wombats track down a scary-weird sound that has frightened Carly, CeCe and Clyde; the Wombats become Hopping Helpers for a day.

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

Things get out of control when Rosie starts a pet-sitting business; Rosie plays with a rock from Javi's rock collection.

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 cheers up Lucas after he misses out on a trip to the Statue of Liberty; Alma and Andre help Dona Carmen with a recipe.

Molly faces big obstacles while training for a cross-country ski race; Molly and her family lose their lunch when a seal sneaks onto their boat and steals their food during a fishing trip.

Bruce Lee helps Xavier and Brad realize that no matter how angry they get, they are in charge of what their body does; Sonia Manzano shows Yadina that telling stories can help manage big feelings.

An archive of the Oak Ridge Journal; Pete Seeger autographed sign relating to the Peekskill riots of 1949; an 1854 Edward Beyer panoramic oil painting.

How discoveries over the past 50 years have revolutionized people's understanding of the universe.

From Kenya to Mexico, people and wildlife find a harmonious balance in Earth's most vulnerable landscapes.

Visiting a different California state park each month.

Doheny State Beach in Orange County.

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

Actor Michael Douglas and writer/director Lena Dunham explore their family roots.

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

Research into the ancestry of singer Lea Salonga and actress Amanda Seyfried reveals relatives who survived heart-wrenching ordeals.

President Trump's unprecedented challenges to the Federal Reserve and what it means for the economy; tracing the battle between Trump and the Fed as the central bank steers the economy through an increasingly precarious moment.

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

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.

Research into the ancestry of singer Lea Salonga and actress Amanda Seyfried reveals relatives who survived heart-wrenching ordeals.

President Trump's unprecedented challenges to the Federal Reserve and what it means for the economy; tracing the battle between Trump and the Fed as the central bank steers the economy through an increasingly precarious moment.

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

The gang comes across a fluffle of baby bunnies during a game of tag; bouncy castles in Nature Cat's backyard block the path for wildlife.

Lyla struggles to sleep and tries to figure out what is wrong with her sleep routine; Lyla tries to do her own hairstyle.

Arthur discovers some neat stuff in the attic on a rainy Saturday; the world's worst cook, Grandma Thora, wants to help the bake sale.

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 pose a challenge to Koki and Aviva about who has the most challenging job.

Corky is selected to make a presentation at school during a science day celebration, but humidity jeopardizes her project.

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

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

Daniel and Mom make a coconut swirl snack together; when a backyard campout is rained out, Jodi, Teddy and Leo find that they can still have a special night being together.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

After looking at the moon through Yasmine's telescope, Tamir, Elmo and Zoe pretend to be astronauts traveling to the moon.

The Treeborhood is alive with sound patterns; Zadie loses one of Louisa's toys.

Panda hopes to find a quiet way to show his love for the moon moths; Donkey helps Panda fix his spaceship.

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

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

Alma searches for the best way to greet others; Alma wants to figure out why Junior is shy around his new sitter.

Molly and Tooey get lost in the wilderness while gathering firewood; Molly uses a constellation to find her way to Grandpa's friends cabin.

A collection of Marilyn Monroe stills; a British rainbow spatterware pot; an 1949 ship's log and register chronicling a journey from Boston to San Francisco during the Gold Rush.

Detective Sims and DSS Shepherd investigate when a man appears to die of fright.

A German airplane crash sends Foyle to the countryside to investigate the death of a local farmer.

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

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

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.

Exploring the quantum universe.

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

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.

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.

Exploring the quantum universe.

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

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

Nature Cat must find music made by nature for the Nature Dance Party; Nature Cat's new toy goes missing.

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

Arthur can't come up with a jingle for a cereal contest; D.W. struggles to do cartwheels as well as Emily.

Olive and Otto investigate why things are disappearing all around town; one of the four Debbies from Debbie's Pizzeria disappears.

Chris, Martin and Aviva need osprey creature powers to find keys that Jimmy dropped in the ocean.

The Hunter kids head to the state park to learn why leaves change color.

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.

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

Daniel gets mad when he doesn't get a crayon box right away at the Crayon Factory.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

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

Zadie earns Junior EMT status and follows Ellie on her EMT calls; the Wombats bake a boat-shaped birthday cake.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

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.

Elinor and her dad learn how to make their own chocolate; after accidentally breaking a jade plant, the kids learn how the plant grows.

Alma and Junior teach Uncle Nestor how to ride his first bike; Papi lets Alma go to the grocery store by herself.

A heat wave hits Qyah and Molly is determined to find out the highest temperature on record; Molly and Trini must save Qyah from a wildflower.

Xavier and Yadina overcome a sibling spat with the help of Confucius; Sacagawea helps Xavier and Brad realize that just because Yadina is younger, she can do more than they think.

A Newcomb College vase circa 1905; an 1875 W.S. Young landscape oil; a collection of Noel Coward "Sail Away" memorabilia.

A man's suspicious fall from the roof of his house leads Barnaby and Scott to investigate; to gain his life insurance they must determine whether the cause of death is suicide or murder.

Alan Bates and the Subpostmasters begin to fight for truth and justice with new allies in Parliament.

The Wild Horse Sanctuary in Shingletown.

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

Filmmakers Howard and Michele Hall embark on a daring expedition across the South Pacific to document the world's most beautiful and endangered coral reefs.

Follows the expedition of four climbers on their journey to the summit of Everest, just days after eight climbers lost their lives in a deadly storm.

Madagascar, the strangest and oldest island on Earth, has seen more unique wildlife than any other island.