WETP-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.

As a civil engineer, Dev needs to build a bridge in Skillsville to get the Beeples across the river; Dev, Cora and Rae work together to make pizza deliveries as drone operators.

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

News analysis of issues and policy affecting the U.S.

How cultural traditions have led to remarkable innovations, from navigating the featureless Arctic to building energy-efficient homes in the desert.

A flood brings new challenges for the big cats; for the first time, the lion cubs experience water and the danger it brings.

California's Mojave Desert is filled with massive blooms of wildflowers in the spring.

Cotswold villages boast churches, manor homes and gastropubs; New Age capital of Glastonbury; prehistoric stone circles of Stonehenge and Avebury.

St. Louis Arch; Ted Drewes Frozen Custard; author Michael Wallis offers insights on Route 66; Osage Trail Legacy monument; Uranus Fudge Factory; Gearhead Curios; Buck Atom's Cosmic Curios.

The history of color and why its use as a designer is so important.

Putting the finishing touches on a quilted photograph wall hanging; improving a design with specific fabric values and positioning fabric pieces in an organic manner.

To celebrate 250 years of American patchwork, the International Quilt Museum delves into the quilts and objects that made this art possible.

Singer-songwriter, producer and musician Liza Lo; songwriter Jack Barksdale; country roots singer-songwriter Kody Hatton.

Banjo player Kyle Tuttle performs with his band.

Songwriter Sharon Vaughn, author of "My Heroes Have Always Been Cowboys" — one of the biggest country songs of the 1970s.

Highlights from Sandi Patty's farewell tour include "We Shall Behold Him," "I've Just Seen Jesus," "Via Dolorosa," "They Could Not" and "How Great Thou Art.".

East Tennessee PBS President Vickie Lawson shares stories of the everyday folks and famous individuals who proudly call Tennessee home.

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

Father Brown must discover the culprit when a novelist is attacked at a crime-writing festival.

Neville is left perplexed when a lottery winner is found dead, but her body then disappears; JP has an unruly new officer to train while preparing for the birth of his twins.

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.

An extravagant house party at the abbey gives the Crawleys a chance to reconnect with old friends, but some guests prove more welcome than others, and along with the celebrations come deceit and heartache.

A woman is killed with a poisoned dart.

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.

A workout focusing on the back, core and knees helping to relieve any pain or discomfort.

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.

Nancy Silverton prepares twice-baked brioche, brioche pockets, pecan sticky buns and brioche tart.

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.

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

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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.

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.

Cuban singer Omara Portuondo's life, from the stages of Havana's nightclubs to her worldwide fame as part of the Buena Vista Social Club.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Twenty-four hours a day, the latest national and international stories as they break.

This daily news program, produced by Japanese public broadcaster NHK, focuses on headlines and current events in Japan and other Asian countries. English-speaking presenters also cover other areas of interest, including business news, science and technology trends, sports highlights, and global weather forecasts.

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

Cuban singer Omara Portuondo's life, from the stages of Havana's nightclubs to her worldwide fame as part of the Buena Vista Social Club.

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.

Martin and Chris assist with tagging endangered Tasmanian devils.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

The Loops celebrate the day they met Stu; Liana finds crumbs on Louisa's pillow and accuses her of taking the last cookie.

Arugula and Carl go on an adventure as archaeologists; Carl spots a UFO on Mother's Day.

It's bedtime, but Daniel does not feel sleepy; Prince Wednesday and Daniel have a sleepover.

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.

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

Captain Elmo's solo mission to Jupiter is interrupted when his friends join and mess up his plan; Grover tries to fix the spaceship boosters.

Molly tries to help an exchange student after she loses her prized story knife; Oscar works on remembering the old stories of his elders.

Brad gives up on hide-and-seek until Kate Warne helps him figure out how to play the game better; Sir Arthur Conan Doyle helps Xavier decide what to get the new girl in class for her birthday.

Nick Malgieri prepares zaleti, X cookies, amaretti, pizzelles, classic biscotti and tuiles.

Father Brown must discover the culprit when a novelist is attacked at a crime-writing festival.

Neville is left perplexed when a lottery winner is found dead, but her body then disappears; JP has an unruly new officer to train while preparing for the birth of his twins.

Charles Schulz comic strip art; a 15th-century Ming dynasty celadon dish; a Eugene Sartory bow and French violin.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

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.

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

The struggle for freedom by the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans.

The rise of online scams, the people and technology enabling it and the efforts to shut it down.

Programming to be announced.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Twenty-four hours a day, the latest national and international stories as they break.

This daily news program, produced by Japanese public broadcaster NHK, focuses on headlines and current events in Japan and other Asian countries. English-speaking presenters also cover other areas of interest, including business news, science and technology trends, sports highlights, and global weather forecasts.