KOCE-DT

An exclusive journey into a cave that houses well-preserved Stone Age art of lions and mammoths, and how scientists are unlocking the secrets of these masterpieces of early human creativity.

Scientists explore glaciers, oceans and frozen frontiers to discover hidden worlds and clues to life beyond Earth.

The Zzyzx off-ramp from I-15 freeway leads to the Desert Studies Center.

Unusual landscape features more than 500 tufa spires, some as high as 140 feet.

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

Tragedies and triumphs in the families of three men known for comedy -- Jimmy Kimmel, Norman Lear and Bill Hader.

Mario Lopez and Melissa Villaseñor look at the Mexican American experience through their family histories.

The legacy of filmmaker and playwright Luis Valdez, a founding member of the Chicano Movement.

The legacy of filmmaker and playwright Luis Valdez, a founding member of the Chicano Movement.

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

Mario Lopez and Melissa Villaseñor look at the Mexican American experience through their family histories.

The legacy of filmmaker and playwright Luis Valdez, a founding member of the Chicano Movement.

The legacy of filmmaker and playwright Luis Valdez, a founding member of the Chicano Movement.

The gang hopes to get rid of the monstrous pumpkins haunting Hugo the goose's farm before the Halloween party; Nature Cat learns about catfish.

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.

Binky spends the day with Bitzi Baxter and finds out what it is like being a news reporter; D.W., Bud and Rapty revisit the case of the missing snowball.

Olympia and Otis compete with a rival precinct; people around town start moving in slow motion.

Aviva loses the MicroXT Power Chips for the Creature Power Suits, prompting the gang to search a huge field in Germany to try to find them.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Lyla and Luke make a hamster playground; the Loops family embarks on a journey to figure out why Stu keeps beeping.

Dylan is excited to play his new game, but things take a turn when the game pieces fall into a floor vent; Carl is determined to get into the FuzzyWorld Book of Records.

While playing with his friends at school, Daniel decides he would like to spend some time alone; Daniel learns that when he wants to be alone, he can find a place of his very own.

A giant bookworm is eating its way through Reader Valley; Outta Space ruins a picnic by making it rain; Villains race the Super Readers.

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

Elmo tries to win a race without eating his sandwich, but learns that eating healthy food will give him energy; Cookie Monster tries to eat the sandwich for himself.

The Wombats create a summer version of Halloween; the Wombats design and build their own snow globe.

Donkey and Panda search for hidden treasure; Cousin Hodie joins a day of games in Someplace Else.

For the Day of the Dead celebration, Rosie is in charge of the Catrina doll, but it keeps disappearing; Rosie celebrates Lunar New Year with the Lius.

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 finds a way for everyone to get books while the library is under renovation; Alma finds a doll in the park.

A gold watch fob chain; a Glier violin and Pfretzschner bow circa 1880; Ellis-Stickley music cabinet.

Mike and his team investigate the murder of a man dressed as Santa, found with his throat slit.

Chief Superintendent Foyle discovers an international cover-up which could threaten the British government.

Roman hot springs; cruising canals; Gothic church; Viking history.

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

The team witnesses a baby boom in the Delta; lioness Matho protects her cubs while the leopard Xudum reveals her newborns as danger looms nearby.

Competition for food becomes fierce as lion numbers rise; a lioness risks her life to feed her five cubs; Xudum's newborn leopard cubs face a threat.

Inside the escalating military struggle to control space and satellites; how the satellites we rely on are vulnerable to attack, how debris is filling crowded orbits and what can be done to protect them.

A French explorer makes an unprecedented discovery in Alexandria's harbor that could reveal new information about Cleopatra's reign and her connection with the goddess Isis.

Observing the centennial of King Tutankhamun's tomb opening with a look at the mysteries of his life and burial.

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

Competition for food becomes fierce as lion numbers rise; a lioness risks her life to feed her five cubs; Xudum's newborn leopard cubs face a threat.

Inside the escalating military struggle to control space and satellites; how the satellites we rely on are vulnerable to attack, how debris is filling crowded orbits and what can be done to protect them.

A French explorer makes an unprecedented discovery in Alexandria's harbor that could reveal new information about Cleopatra's reign and her connection with the goddess Isis.

Observing the centennial of King Tutankhamun's tomb opening with a look at the mysteries of his life and burial.

The crew tries to save the kelp forests from being eaten by sea urchins; the gang visits Mars in a daydream, hoping to meet aliens.

Lyla and Luke make a hamster playground; the Loops family embarks on a journey to figure out why Stu keeps beeping.

A blackout leaves the residents of Elwood City without any electricity; Binky's baby sister doesn't want to learn how to walk.

Otto and Oren compete to become Captain Fun; Olive and Otto consider what life would be like if they had different partners.

While investigating exoskeletons, the Hercules beetle accidentally gets enlarged.

The Hunters find a stowaway in their picnic basket, a little furry dog.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Dylan realizes he doesn't love square-dancing; Carl teaches Nico how to ride a bike.

Daniel gets upset when Margaret spills juice on his stuffed animal Tigey; Daniel has a hard day at school.

Mr. More's bubble bath goes wrong when his super strong bubbles start trapping everyone; characters come out of a book and wreck the library; a Letter Fog causes chaos.

Phoebe, Jay, Grandma Annie and Pete create the family's first recipe for Sunday greens; Phoebe and Jay are excited about their first campout in the courtyard.

Elmo's bike is great, but Abby's bike might be even better; Tamir teaches Elmo how to deal with feeling jealous and to enjoy the things Elmo already has.

The wombats invent a color game; Super invents a Piggyback rider.

Donkey and Panda search for Mooing Moon Moths; Bob Dog can't remember where he buried his boogie bone.

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.

The kids learn the meaning of stories when they visit Olive's family in the rainforest.

Alma and Howard search for a Black cowboy in the Bronx; Alma and Junior open a play hair salon at home.

Molly learns how to make offerings, hoping to stop a volcano from erupting.

Chinese carved walnut shells circa 1910; a Polyphon music box and poster circa 1895; a Tang dynasty ceramic horse.

A couple is murdered near a house that is said to be haunted.

A brutal slaughter leaves Phryne outraged.

An amazing human history is told through some of the many buildings that dot the valley floor.

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

Designs by local visionaries hope to transform the channel in ways that benefit the environment and people.

In California's Imperial Valley, locals face a high-stakes battle over the Colorado River's dwindling water supply; the possibility of the untapped geothermal energy source holding the key to a more sustainable future.

Farmers in the Southwest depend on the Colorado River, but the system is on the brink of catastrophe.

Tragedies and triumphs in the families of three men known for comedy -- Jimmy Kimmel, Norman Lear and Bill Hader.

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

Designs by local visionaries hope to transform the channel in ways that benefit the environment and people.

In California's Imperial Valley, locals face a high-stakes battle over the Colorado River's dwindling water supply; the possibility of the untapped geothermal energy source holding the key to a more sustainable future.

Farmers in the Southwest depend on the Colorado River, but the system is on the brink of catastrophe.

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

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Buster learns how to keep a secret; the gang finds a fortune-telling game and gets a hint of what their futures might hold.

Orla rushes through constructing a portal without reading the instructions; Omar, Oswald and Opal end up stuck in the 17th dimension; Oswald finally lands an interview on a famous podcast to talk about the new Mobile Unit van.

The Kratt brothers encounter a spectacled cobra and learn about the cobra's dual powers -- venom and a hooded defense.

The kids help Al put on a one-of-a-kind weather presentation when the power goes out.

Lyla asks customers for their leftover pumpkins, but then gets way too many; Lyla and Luke put their sisters, Liana and Louisa, through a babysitting test.

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.

Daniel's special picnic at Katerina's house doesn't turn out the way he had planned; Daniel and his friends learn how to adapt when plans change.

Power Paige accidentally creates a Slime Storm; the pesky letter p's are causing chaos all over Reader Valley; everything in the park is disappearing -- including Princess Presto.

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

At the Sesame Street Jazz Festival, Elmo and Zoe learn to improvise, listen to each other play and take turns.

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

Donkey and Panda save Rockstar Penguin's show when her band can't come; the pals help Turtle-Lou deliver packages.

Rosie and Javi get a new book, but it's in a different language; Rosie tries to form a club with her friends.

The kids each tell a spooky tale about a creature in nature who pretends to be scary; after Ari's sandwich grows mold, and he names it Doug, he's determined to learn more about it.

Francine meets an old woman who has a mysterious past; Binky ends up at Mr. Ratburn's haunted house; Muffy and Bailey cut through a dark cemetery; Arthur, Buster and Ladonna fear their treehouse may be haunted.

Louisa May Alcott "Little Women" books from 1869; Samuel Prince desk and bookcase made around 1775; a child's swan sled circa 1880.

Tragedies and triumphs in the families of three men known for comedy -- Jimmy Kimmel, Norman Lear and Bill Hader.

The legacy of filmmaker and playwright Luis Valdez, a founding member of the Chicano Movement.

The resting places for Toto from "The Wizard of Oz," Old Blue, Arnold the pig from "Green Acres," Benji and Pete from "Our Gang.".

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

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

Margaret Hoover leads interviews and debates.

Itzhak Perlman overcomes polio as a child to become one of classical music's greatest violinists.