WTCI-DT

Molly and Vera visit an excavation site, where they make a discovery; the Sassy Ladies of Saskatoon search for a glacier.

Grace Hopper shows Xavier that he will never know if he can build his robot differently than everyone else unless he tries; Itzhak Perlman shows Xavier that he can learn music his own way.

Exploring the quantum universe.

Pioneers from Guatemala to Japan share space with wildlife and restore the way we coexist and cultivate among the trees.

An exploration of local service organizations and the impact they have in the Chattanooga area.

Green Bay Packers salesman's sample championship rings; Barbie dolls and wardrobe circa 1960; a 1977 Keith Haring Bean Salad lithograph.

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

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

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.

Margaret Hoover leads interviews and debates.

Based on the 1935 movie musical starring Fred Astaire and Ginger Rogers, "Top Hat" features dazzling choreography and period sets, with an Irving Berlin score featuring "Cheek to Cheek," "Let's Face the Music and Dance" and "Puttin' on the Ritz.".

Musician Rhiannon Giddens and stage actor Brian Stokes Mitchell discuss theater and music.

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

Margaret Hoover leads interviews and debates.

Based on the 1935 movie musical starring Fred Astaire and Ginger Rogers, "Top Hat" features dazzling choreography and period sets, with an Irving Berlin score featuring "Cheek to Cheek," "Let's Face the Music and Dance" and "Puttin' on the Ritz.".

People who lost touch after the civil rights movement hope to reconnect.

Two Vietnam veterans search for the heroes who saved them; an Army officer searches for the helicopter pilot who rescued him; a soldier wants to reconnect with the surgeon who saved his leg from amputation.

Touring the "Mister Rogers' Neighborhood" television studio and meeting the staff.

Arthur can't come up with a jingle for a cereal contest; D.W. struggles to do cartwheels as well as Emily.

Chris, Martin and Aviva need osprey creature powers to find keys that Jimmy dropped in the ocean.

Corky is selected to make a presentation at school during a science day celebration, but humidity jeopardizes her project.

Lyla gets a strike her first time bowling but gets frustrated when she realizes bowling isn't as easy as she thought it was; Lyla feels left out when Everett and Ale's friendship thrives.

Bringing the luxury of couture to sportswear.

Quilting big and fast with the passion flower design; dealing with big seams; creating large templates.

Early morning on the water.

A weekly Tennessee gardening series featuring tips, recipes and tours.

How different factors have influenced landscape architecture.

Black-eyed peas with green fennel; lemony artichoke and fava bean stew; braised cauliflower with olives, cinnamon and turmeric.

Buki Elegbede uncovers New Jersey's Black history and role in the Underground Railroad via authentic Black soul food at Camden's Corrine's Place and a visit to the Macedonia A.M.E. Church; freed slave diets in Jersey City.

Strawberry picking; Whitesburg Farmers Market; Cowan Community Center; CANE Kitchen; strawberry cake.

Amazonas softball team; sweet potato and meat salpicon; pepita, egg and chaya tamales; roasted tomato and habanero salsa.

Alcapurrias; the story of Coco López and pina coladas; coquito cocktails.

Macarons with raspberry buttercream; gougeres.

Exploring the bonds of friendship in Italy.

Malaysian-style chicken and coconut curry; coconut ginger rice; Malaysian twice-cooked turmeric chicken with lemongrass and sweet soy; fried chicken tossed in an umami-rich glaze.

Touring a new attic apartment ADU in Dorchester, Mass.; plumbing update.

Replacing vintage ceramic toothbrush and soap holders; repairing a water-damaged ceiling crack matching the original swirl texture.

An exploration of local service organizations and the impact they have in the Chattanooga area.

Traveling the highways and byways of Tennessee.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

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

Brothers of the Heart reimagine country, gospel and pop classics; songs include "Ring of Fire" and "Desperado.".

Grammy Award winner Patty Griffin performs songs from her new album for the first time.

When a local writer is murdered, Father Brown must delve into her infamous novel for inspiration.

A murder investigation propels the team to London in pursuit of their suspects.

A terrifying serial killer has the team racing the clock after the Countess is kidnapped.

A diamond mysteriously disappears in Paris and the head of security is found dead.

Jelly Roll performs highlights from "Whitsitt Chapel"; husband-and-wife duo The War and Treaty.

A backwoods game warden and a local doctor discover that giant leeches are responsible for disappearances.

Margaret Hoover leads interviews and debates.

Based on the 1935 movie musical starring Fred Astaire and Ginger Rogers, "Top Hat" features dazzling choreography and period sets, with an Irving Berlin score featuring "Cheek to Cheek," "Let's Face the Music and Dance" and "Puttin' on the Ritz.".

Playing the fife and drum; Daniel Tiger learns about friends and sadness.

Sue Ellen becomes obsessed with an Internet game; the gang must decide whether to go on a camping trip.

Chris and Martin search for an obscure rain forest creature.

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

After feeling left out, Luke decides to switch places with Stu; the Loops kids throw a surprise party for their parents.

Dylan is excited to play his new game, but things take a turn when the game pieces fall into a floor vent; Carl is determined to get into the FuzzyWorld Book of Records.

Daniel and Miss Elaina don't want to stop playing when it is time for Quiet Time at school; Daniel finds something that will help him rest.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

An exploration of local service organizations and the impact they have in the Chattanooga area.

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

Margaret Hoover leads interviews and debates.

Violet learns about Mary and Tony from Spratt; Mary tells Violet she plans to wed Tony, but admits to Tom that she has no such intention.

Sarah Bunting continues to cause waves above stairs but this time she may have gone too far; on returning to Downton, Thomas is suffering an inexplicable illness, and Baxter suspects there's more to it than he's letting on.

Simon Bricker returns to Downton to discuss the painting with Cora, but this time his flirting may have crossed the line. Branson makes a difficult decision about Sarah Bunting, and Rose encounters a handsome stranger.

Relations between Robert and Cora are strained; Blake's scheming starts to come to fruition; Mary is unexpectedly pitted against her love rival.

Hiking through the Cumbria Lake District; cricket; hiking Hadrian's Wall; Durham Cathedral.

Monuments of Venice, Italy; cruising the Grand Canal; masterpieces of the Venetian Renaissance; a moonlight gondola ride in the city of Casanova.

Exploring Bologna's Piazza Maggiore, hidden canals and walking the portico to the San Luca sanctuary; shopping the Quadrilatero; a historic cutlery shop; a twins-run leather boutique.

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

When a local writer is murdered, Father Brown must delve into her infamous novel for inspiration.

In the summer of 2014, a World War II veteran sneaks out of his care home to attend the 70th anniversary celebration of the D-Day landings in Normandy.

When the Titanic goes down, Lord Grantham loses his heirs, and Mary loses her fiance.

A look at the life of Princess Margaret, whose life and loves reflected the social and sexual revolution that transformed Britain during the 20th century.

Elizabeth I's image as a warrior queen, facilitated by myths and secrets about her victory over the Spanish Armada, shaped British national identity for centuries.

Everything comes to a head as Richard and Jim descend on Bayview; the family tries to heal and reconnect; the fallout from Mary's actions continues to reverberate.

When the Titanic goes down, Lord Grantham loses his heirs, and Mary loses her fiance.

Jamie Chung, Cyndi Lauper and Danny Trejo retrace the journeys of their immigrant ancestors.

Research into the ancestry of singer Lea Salonga and actress Amanda Seyfried reveals relatives who survived heart-wrenching ordeals.

When Binky's family adopts a baby girl from China, Binky worries about how his life will change and if his new sister will like him.

Olive and Otto are zapped into a comic book.

Martin and Chris uncover a plot by Donita Donata to capture sea horses to make living jewelry.

The Hunters head to a nearby mountain to learn about snow.

Lyla and Ale make an escape-proof container for her pet tarantula; rain keeps the kids inside, so they recreate park activities indoors.

Lotta is frustrated learning a new dance, but realizes it is ok to experience music in her own way; Sheldon worries about telling Carl that he doesn't want to play pirates anymore.

Daniel's rushing to go on a boat ride causes him to break his toy boat.

Phoebe and Jay are asked to bird sit; photo time leads Jay to an outfit disaster.

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.

Alphy and Geordie's investigation into the murder of an archaeologist uncovers a web of betrayal and deceit.

When a local writer is murdered, Father Brown must delve into her infamous novel for inspiration.

A murder investigation propels the team to London in pursuit of their suspects.

A Cartier Art Deco Tutti Frutti clutch circa 1925; a Carl Kauba cowboy bronze circa 1900; a Sumerian cuneiform tablet.

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

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

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.

The incarceration of 120,000 innocent Japanese Americans during World War II following the bombing of Pearl Harbor, 7,500 of which were held at Amache in southeastern Colorado.

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