KAMU-DT

Exploring the importance of the polar seas as polar oceans warm and sea ice disappears.

Dr. M. Sanjayan explores seven of Earth's bellwether biomes.

Innovative efforts to confront climate change in Australia, Brazil, California and Kenya; with Dr. M. Sanjayan.

Innovative efforts to confront climate change in Australia, Brazil, California and Kenya; with Dr. M. Sanjayan.

Mr. McFeely visits a trumpet factory; King Friday declares he owns a comet.

Muffy wants a Dream Bouncy Castle for her party; Francine and Muffy set up their older siblings.

A joey steals car keys from Martin and Chris.

The Hunters investigate a mysterious rain that happens with no clouds in the Indonesian rainforest.

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.

Lotta is determined to show Skyler that she is more than just "headphone girl"; the new kid in school causes a hullabaloo on the playground.

Daniel finds out he is going to be a big brother; Daniel wants to help prepare the baby's room but struggles with having to give up his old things for his new sibling.

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

Cookie Monster uses his new Cookie Cart to bake for his friends; Grover tries magic to entertain his friends.

The Wombats organize the Treeborhood Talent Show; Zeke searches for a collection to call his own for the Treeborhood's Collection Bonanza.

Donkey and Panda camp out to see the Bright Bugs; Panda feels tired of his purple things, so Donkey helps him take a break.

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.

Alma and Uncle Nestor get separated from the rest of the family on the subway; Alma and Junior are excited about their new neighbors.

Something causes chaos at the Dingerville ball field; Inez is forced to share her room with her younger sister.

Comic Emil Wakim talks about his career and being a "Saturday Night Live" cast member.

The family stories of political organizer Donna Brazile, actor Ty Burrell and artist Kara Walker.

An Air Force crew encounters a UFO; Sapo and the Baron dissect conspiracy theories and start their own low-budget airline.

A camera may have been used to photograph President Truman; Civil War doll may have been used to smuggle medicine; a 15th-century map shows how Europe colonized Florida.

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

Living with alligators; Lake Whitney State Park; archaeology.

A writer and photographer embark on a journey to explore the communities that depend on the Rio Grande and chronicle the threats to its future.

As Judith and Suzie work with the police to find the killer, tensions rise among Becks' friends in the house.

The murderer in Corfu claims another victim; Eliot's condition worsens and Susan unexpectedly finds herself a suspect in a murder case.

Cushla's relationship with Michael deepens, despite growing tensions at home and school; Gina's drinking worsens, and family pressure mounts; Cushla learns unsettling truths about Michael's past, but passion and tenderness draw them back together.

Grammy Award-winning R&B innovator Miguel performs songs from his album "CAOS," alongside fan favorites.

As Judith and Suzie work with the police to find the killer, tensions rise among Becks' friends in the house.

The murderer in Corfu claims another victim; Eliot's condition worsens and Susan unexpectedly finds herself a suspect in a murder case.

Cushla's relationship with Michael deepens, despite growing tensions at home and school; Gina's drinking worsens, and family pressure mounts; Cushla learns unsettling truths about Michael's past, but passion and tenderness draw them back together.

Hundreds of diverse choral groups from all 50 states perform a new work in celebration of the 250th anniversary of the signing of the Declaration of Independence.

A look at the documentary series by Ken Burns that illustrates how the American Revolution came to life.

The family stories of political organizer Donna Brazile, actor Ty Burrell and artist Kara Walker.

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

The agents are called upon when a lost Baby Laser Chicken is found in the Austrian countryside; clocks stop working when the Odd Squad Timekeeper is struck with oddness.

The Kratt brothers take a day off from adventuring to go camping, where they meet a mischievous little moose calf.

Lily, Corky and Benny attempt to film their own weather broadcast, but need Great Grandpa Wallace's tools to create their weathercast.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

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

After Miss Elaina loses her mitten, her mom teaches her how to put things away so she can find them later; Prince Wednesday loses his comic book.

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

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

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.

The pals find a box of Golden Crunchdoodles cereal; Donkey, Panda and Bob Dog want to play different things.

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

Elinor and friends build a log bridge over a stream; the kids set out to learn everything they can about blinking when Ari is crowned the blinking champion at school.

A series of mishaps gives Alma "the grumps"; Junior wants to play basketball with the big kids and make a basket.

Molly and Tooey decide to make a few of their own Alaska Native superheroes; Molly wants to fix up her old sled for Trini, but she's not sure she is ready to part with it.

Madam C.J. Walker shows Xavier that working hard on his lemonade stand can help him afford the pogo stick of his dreams; Edwin Binney shows Xavier, Yadina and Brad that to work together as a team, they should listen to everyone's ideas.

A gambler appears to have committed suicide.

Adelaide's painting is vandalized, and the gallery owner is killed, but Jasper is distracted from the case when he learns of the DNA test on him and the Dean.

Dan becomes obsessed with a dying man's last words; Jasper finally decides to act on his own feelings.

Finds include an 1895 UNC football, an 1856 Chinese export Canton fire oil painting and a Jacob Hurd silver cann circa 1745.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

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.

Vintage finds include a Gibson style H-2 mandola circa 1918, a Tiffany Studios Daffodil lamp circa 1906 and an 1852 Lincoln manuscript.

Nineteenth-century Hawaiian poi pounders; a Dirk van Erp copper vase; an 1888 Joseph Nawahi oil painting.

Grammy Award-winning mariachi singer Vicente Fernández performs a historic farewell concert at Mexico City's Estadio Azteca.

Vintage finds include a Gibson style H-2 mandola circa 1918, a Tiffany Studios Daffodil lamp circa 1906 and an 1852 Lincoln manuscript.