KOCE-DT

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.