KETC-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.

A colorful setting sun in an oval.

World famous J Jonny; Kevin Doyle, Mad Hatter Mufflers; artist Purvis Young; Coral Castle; world's smallest post office; Solomon's Castle.

Tuk-tuk tour of the Cambodian capital Phnom Penh; post-war life in southwest Vietnam.

Lacy architecture and ethereal paintings by El Greco in Spain and Portugal; in Germany and Belgium, technologies enable Durer's mass-produced engravings, Jan van Eyck's oil paintings, Brueghel's peasants at play and the futuristic visions of Bosch.

Politicians from different parties collaborate on climate and energy challenges; with Kay Bailey Hutchison and Joe Manchin.

Martin and Chris spot a hermit crab on the beach.

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

Rae takes on the role of choreographer, teaching her friends a dance routine for an upcoming Beeple concert; when the fountain in the middle of Skillsville dries up, Cora takes on the job of plumber to restore water flow.

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 uses a different bathroom at the train station and Juan uses the bathroom at the Music Shop; O uses the bathroom at Jodi's house.

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

Rudy is afraid of getting a shot at the doctor's office, so Nina and Abby play pretend to show what the visit will be like so he can feel less scared.

What's great, in Greater St. Louis.

Filmmaker and environmentalist Tomas Koeck discusses New Hampshire's iconic loons; a late-summer garden party at Groundswell with founder David Fierabend.

The worlds of landscape and aviation photography collide in a jet-fueled adventure in the wilds of California; the Sidewinder -- a low-level fighter jet training route.

A guided tour of Zurich; Museum Fur Gestaltung; Felsenegg cable car ride; Mount Uetilberg; Hiltl, the oldest vegetarian restaurant in the world; Yonex Badminton Halle.

Burt and Nicholas set out to discover the origins of the word "resort," first used in England to describe holiday towns.

Edinburgh Castle; the new Scottish Parliament Building; Her Majesty's Yacht Britannia.

Game show Let The Games Begin films in Great Slaughter, but chaos erupts when a stunt goes wrong and a contestant is electrocuted; with suspects piling up, Sister Boniface must stop the killer before they strike again.

A surprise guest interrupts the picnic that Kristin, Breen and Gina throw for Mike's birthday.

Sidney is distracted from his Christmas duties; when a man is found dead with wedding rings lodged in his mouth, Geordie is horrified -- it has all the hallmarks of an old unsolved murder.

Sidney is conflicted about his feelings for Amanda; a man is found murdered in a peculiar position.

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

Margaret Hoover leads interviews and debates.

A new cohort of junior doctors join the midwives, including Timothy, who observes the contrast between clinical medicine and compassionate care at Nonnatus House; Violet announces her plan to shadow the midwives.

Alastair Bruce examines how aristocrats behaved in the 1900s Britain, including how they dined, dressed and interacted with servants.

Edmond locates Gaston, Villefort's illegitimate child, who has grown up to be a thief; Danglars discovers Fernand's treacherous deeds in Algeria and reveals all to the press.

Joe (Gene Kelly) and Clarence (Frank Sinatra) are two young Navy sailors on leave in glitzy Los Angeles. The two men at first plan to use their layover as an opportunity to relax, but they soon find themselves in a complicated web of comic secrets. When the two buddies find a runaway boy and return him to his fame-hungry Aunt Susan (Kathryn Grayson), both men find themselves falling for the wannab

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.

A new cohort of junior doctors join the midwives, including Timothy, who observes the contrast between clinical medicine and compassionate care at Nonnatus House; Violet announces her plan to shadow the midwives.

Reclusive river people called Ribeirinhos harvest the açaí berry in the Brazilian city of Belém.

Painting a deep, dark place in the forest on a vertical canvas.

Giant's Camp restaurant; Taft Richardson's bone sculptures; whimsical artists Kiaralinda and Todd; dinosaur gas station.

The path of Taiwan's Matsu Pilgrimage, said to be the largest religious procession in the world; the Matsu Islands.

Rome's St. Peter's Basilica, Bernini statues and fountains; dramatic canvases of Rubens in Belgium; the chandeliered Hall of Mirrors in Versailles.

An easy-to-follow standing and barre workout helps relieve tension in the lower back with posture and hip isolation exercises.

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

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

Lyla and her sisters find a lost bag's owner; Lyla gets jealous when Ale gets attention.

Carl and his friends clean up the Fuzzytown Park; Carl accidentally breaks the birthday present Sheldon planned to give his mom.

Miss Elaina shows off her cartwheel at the carnival, prompting Daniel to try it, too.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

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

Sammy and Benito find a way to communicate; Sammy makes plans for his mom's visit.

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 about crying as they set out on an adventure to help Miri; the kids and Mr. Bat look for Ari's ball after it goes missing in a cave.

Alma and her friends must vote for either a new board game or art supplies; Alma and Harper open a lemonade stand.

An Andrew Clemens sand bottle circa 1885; a 1933 Goudey baseball card set 239/240; a Joan Miró pencil on paper circa 1965.

A new cohort of junior doctors join the midwives, including Timothy, who observes the contrast between clinical medicine and compassionate care at Nonnatus House; Violet announces her plan to shadow the midwives.

Alastair Bruce examines how aristocrats behaved in the 1900s Britain, including how they dined, dressed and interacted with servants.

A family of beavers builds a dam that accidentally diverts water into Trini's garden, threatening her strawberries; Trini is determined to earn the Night Watchers Badge.

Martin wants to check out insects, while Chris would rather investigate the spider monkey.

Oscar recalls his early days at Odd Squad; Olive and Otto are trapped inside a board game.

Arthur gets chicken pox just as the circus comes to town; Arthur blames D.W. for making his dog sick.

Alma and her friends must vote for either a new board game or art supplies; Alma and Harper open a lemonade stand.

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 1960 Ansel Adams Portfolio III: Yosemite Valley; a Persian Qashqai Gabbeh rug circa 1935; 1959 JFK's boxer shorts with signed photo.

The French-American alliance changes the war and moves it to other theaters; navies battle off England and in the Caribbean, while armies advance in Indian Country and the South; the British take Charleston.

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

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