KPTW-DT

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

The military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world's first military submarine.

Exploring ancient fire traditions and a sugar glider's daring escape from the flames.

Tensions flare between Isobel and Cora over the management of the convalescent home; Ethel's flirtation with Maj. Bryant lands her in more trouble than she could have anticipated.

Beginning a pose from the back body helps integrate the strength of the front body; Snowbird and Boat poses.

A workout improves the mobility of the spine.

The Kratt brothers search for a mysterious nocturnal creature, using night-vision goggles.

The Hunters learn how temperatures can affect outdoor plants and gardens.

Lyla and Stu make a mess decorating cupcakes; Lyla tries to retrieve Everett's lost coin.

Carl makes a new friend while visiting his dad; Lotta thinks if she copies Nico, everyone will like her.

Chrissie encourages Daniel to ride a horse; Margaret gets scared when fireflies crash the family picnic.

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.

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

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.

Rosie and Javi both want to be in charge of the sandbox, so the kids hold an election to choose a president; Rosie and friends try to save the dino parade.

Fluttering moths distract the kids when they try to sing their new Sunny Summer Song; the kids give away peaches to their friends in Animal Town.

Chacho hides Abuelo's lucky sock; Alma isn't thrilled to be a spelling bee alternate.

Xavier and his friends meet American artists Mark Twain, Maya Angelou, Julia Child, Alvin Ailey, Jerry Siegel and Joe Shuster.

An oval creation depicts a quiet evening at home on the river.

Vivian Howard searches for ripe tomatoes to serve at the restaurant's 10th birthday celebration; preparing an old school tomato dish.

A Harry Kellar illusion head; a Dinh Van-designed Cartier gold ring; Tiffany glass mosaics.

Barnaby has a new assistant, Sergeant Scott, who finds himself investigating a murder when a Spanish dance night goes horribly wrong.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Long Beach, Calif., and Alice Springs, Australia.

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.

Professor T presents a case to his students that involves a caretaker accused of fatally shooting his rich employer.

A blow from a Celtic spear kills a womanizing landowner.

News. Reporting on the day's international news from London and from BBC correspondents around the world.

Frank Lowenstein discusses challenges facing the U.S. in the second Donald Trump administration.

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

Kevin helps in Swannanoa while Jenn checks in with homeowner Melinda as FEMA clears damaged trees; Mark tours an historic Inn; Richard joins building science experts who air seal Paula's house.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Comics Carol Burnett and Niecy Nash see family mysteries solved by DNA.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

Exploring ancient fire traditions and a sugar glider's daring escape from the flames.

Kinesthetic awareness and weight shifting as they relate to balance.

A workout focusing on the back and core helps to relieve and prevent back pain.

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

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

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.

Sheldon can't wait for Carl to play his favorite beach game; Lotta and her friends search for Lotta's lost blanket.

Daniel and Dad Tiger go to the Dad and Me Camp-out, where they run into Katerina, who arrives with her mom; Daniel and Mom head to the Mom and Me Game Night.

Phoebe and Jay learn how to keep cool while using their thermometer to track the temperature in the apartment; Pete and Grandma Annie teach the kids how to tell time.

Rudy feels angry when Abby asks him to share his toys, so his friends make a movie to show that sharing can be fun.

Zadie helps Malik design a faster route to bring ice cream to a sick Sammy; Zadie tries to host a fun campout.

The pals want to hear the Yodel Birds sing, but they must build them a rest nest first; Donkey and Duck Duck want to cool everyone off with lemonade.

Rosie helps Iggy get ready for his checkup; Rosie wants to play in the new park -- but it is a park for dogs.

Xavier and his friends meet American athletes Jackie Robinson, Billie Jean King, Jim Thorpe and Kristi Yamaguchi.

Molly and Tooey set out to find a meteorite; Molly, Tooey and Trini try to convince the Sitka basketball team to change its name.

Alvin Ailey shows Yadina that music and dance can help bring people together; Xavier learns that his imagination can keep him company when he feels lonely.

An eco-tour in a kayak on the Matanzas River; painting a shoreline scene.

The perfect omelette with all the fixings, Italian style; homemade hash browns; blueberry lemon muffins.

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

The new West is a land of unprecedented opportunity; millions of prospectors rush to gold fields.

Lessons about Wyoming by looking below the surface.

A trek to the Scottish Highlands on Burns Night as Scots around the world celebrate Rabbie Burns; tradition that keeps the sounds of Scotland alive.

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

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.

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

Wyoming Historic Governor's Mansion and Museum gets dressed up for Christmas.

Celebrating America's 250th birthday with musical and patriotic performances from the West Lawn of the U.S. Capitol.

National and local musicians perform in Cody, Wyoming.

Nellie Tayloe Ross, the first woman governor in the nation.

News. Reporting on the day's international news from London and from BBC correspondents around the world.

Margaret Hoover leads interviews and debates.

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.

Wyoming Historic Governor's Mansion and Museum gets dressed up for Christmas.

Celebrating America's 250th birthday with musical and patriotic performances from the West Lawn of the U.S. Capitol.

National and local musicians perform in Cody, Wyoming.

Nellie Tayloe Ross, the first woman governor in the nation.

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

Carl can't wait for the ice cream festival; Carl is upset that he has to wear a cast on his broken wrist.

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

Basketball; the Neighbors prepare to celebrate the arrival of the comet.

Prince Tuesday visits the school in his crossing guard uniform and helps the children practice safety rules; Daniel and Katerina drift too far from Mom while playing at the beach.

One of the most complex skyscrapers ever built features its skeleton on the outside.

Exploring the Chinese in Jamaica; Asian-Jamaican fusion recipes include janga egg rolls with star fruit relish and spicy shumai with Thai chili.

Swimming with whale sharks in the waters off Baja California Sur's capital, La Paz; local food of La Paz.

Memphis-style wet ribs in the slow cooker; apple cider vinegar; mashed potato cakes.

Pan-seared salmon; fish sauce; wild and farmed salmon; shrimp scampi.

A guided tour of the car collection at The Henry Ford Museum; featured cars include an 1865 Roper Steam Carriage, Ford's 1896 Quadricycle, 1908 Ford Model-T, 1903 Ford Model-A and 1908 Ford Model-S.

In Swannanoa, Kevin helps Jim's brother Bill tile a bathroom; father and son roofers JD and Jayden; removing rot and replacing the damaged area of Paula's deck.

Kevin meets with an audiologist to discuss the importance of hearing protection; Richard, Nathan and Heath team up to help a couple age in place by relocating their washer and dryer to the main floor.

The many uses of soybeans, from rural Iowa to San Francisco.

Ocean Breeze Flower Farms; gerbera daisies in the greenhouse; simple pasta preparation inspired by flowers.

A foggy early morning landscape.

El Chepe train is a wonder of Mexican engineering that took 100 years to build through the world's largest canyon region, Copper Canyon.

Gloria Hunniford and Angela Rippon join the Road Trip; along the way, they stage a rescue mission to stranded experts Paul Laidlaw and David Harper; Gloria hears the story behind a local landmark and Angela steps into the world of Virginia Woolf.

U.S. World War II propaganda leaflet; Tiffany window artists; two descendants of Spanish Civil War soldiers unite.

Wyoming Historic Governor's Mansion and Museum gets dressed up for Christmas.

A Brooklyn couple needs help clearing out their three-story Clinton Hill brownstone.

Kevin helps in Swannanoa while Jenn checks in with homeowner Melinda as FEMA clears damaged trees; Mark tours an historic Inn; Richard joins building science experts who air seal Paula's house.

Lee helps a homeowner plant a row of arborvitae trees for a privacy border; Mark breaks down the various tools that can be found in the average fireplace set; Tom and Kevin demonstrate how to build a storage rack for container totes using 2x4s.

Celebrating America's 250th anniversary from historic Colonial Williamsburg with live musical performances, historical interpretation and fireworks.

Celebrating America's 250th birthday with musical and patriotic performances from the West Lawn of the U.S. Capitol.