WLVT-DT

Ari tries to make the world's tallest toy block tower, but it keeps falling over; Elinor and Ari try to teach Ari's baby sister how to walk.

Alma and her family spend the day saying yes to everything; Alma helps Junior and Emi test a hypothesis.

Molly and Stormee try to retrieve Grandpa Nat's microphone; Molly and Stormee encounter a rattlesnake.

Louis Braille shows Brad there are many ways to read; Zaha Hadid encourages Xavier, Yadina and Brad to build their treehouse in their own unique way.

The deep history, geology and human story of Kerry, from the first vertebrate life on a rocky shore to the struggle of early humans shaping a life in woods and valleys.

The lives of badgers, red deer, hen harriers and puffins, from Skellig cliffs to forest dens.

The benefits of using less energy; Maggie Molina, Northeast Energy Efficiency Partnerships; Laurie Wiegand-Jackson, Utility Advantage.

Ketchikan is home to temperate rainforests and Misty Fjords accessible only by boat and air; Alaska's Panhandle preserves vast tracts of the planet's dwindling temperate rain forests.

High schools compete in an academic quiz.

A Frank McCarthy oil painting; baseball autographs circa 1945; a 1977 Elvis Presley watch presented to Redd Foxx.

A 1977 Kenner Darth Vader figure; a Tippco toy motorcycle with a sidecar; a Ty Cobb professional model bat circa 1925.

Alphy finds himself adrift following his mother's departure, until a mysterious case forces him back to work; Geordie accepts a promotion that could end their partnership; Leonard rediscovers his calling; Cathy faces temptation at CeCe's.

Judith, Becks and Suzie are brought in to help the police investigation as civilian advisors and uncover an important connection between the murders.

Susan is in line to be the next CEO as the detective plot in Alan's last novel unfolds.

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

Three classic Greek getaways -- Santorini, Mykonos and Rhodes -- include touring ancient Greek ruins, tracing the vestiges of the Crusades and sampling rustic cuisine.

Mrs. Devine and Sullivan's wedding approaches; can Father Brown stop a would-be killer from ruining their big day?

A 1977 Kenner Darth Vader figure; a Tippco toy motorcycle with a sidecar; a Ty Cobb professional model bat circa 1925.

Alphy finds himself adrift following his mother's departure, until a mysterious case forces him back to work; Geordie accepts a promotion that could end their partnership; Leonard rediscovers his calling; Cathy faces temptation at CeCe's.

Judith, Becks and Suzie are brought in to help the police investigation as civilian advisors and uncover an important connection between the murders.

Susan is in line to be the next CEO as the detective plot in Alan's last novel unfolds.

A fun filled experience of music and learning brought to you by talented, Emmy winning Kindie performers.

Mayor Macklemore catches a case of the Sing-A-Longs; Ms. O from the past appears at the office.

Arthur and Muffy become best friends after they rescue Wilbur Bunny; Brain won't let Sue Ellen help on their school project.

Ms. O gets trapped in a mirror; Ms. O and Oksana have a disagreement.

The Wild Kratts set out to save the pangolins from Chef Gourmand Gaston, who is using the pangolin scales to make smoothies.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

Lyla and Luke make a hamster playground; the Loops family embarks on a journey to figure out why Stu keeps beeping.

Carl loves the new sweater his Pop Pop knit him, but it feels itchy when he wears it; Carl is nervous about his new school bus stop.

Daniel gets upset when Mom Tiger gives her attention to Margaret instead of him; Prince Wednesday gets upset when Daniel pays more attention to Prince Tuesday.

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

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.

All aboard the Moo Moo Choo Choo; visiting great uncle Duper in the Windborhood; world's biggest whirligig blows away; helping great uncle Duper imagine how to build a new one.

Donkey is nervous the first time she sleeps outside; Panda forgets his poetry notebook inside Donkey's messy windmill.

Rosie searches for an item to sell at the Neighborhood Market Day, but she struggles to find something just right; Rosie and her friend Javi decide to open a slime store.

Elinor finds a peculiar-looking owl while visiting her grandparents in the desert; Olive and her friends investigate why a tree has fallen over in the forest.

Alma and her friends judge a Best Bronx food truck contest; Alma and Junior are excited to play restaurant in their backyard, until Howard opens a competing restaurant.

Trini must figure out how to make her mom omelets when the chickens stop laying eggs; Trini doesn't like Alaska's cold winter and thinks about moving back to Texas.

Xavier is upset thinking he won't be able to bring the museum to his friend in Japan, but Nikola Tesla encourages him not to give up; Nellie Bly helps Yadina overcome her fear of the monkey bars.

Part 1/2. It's Christmas in the Caribbean and Neville's mom, Melanie, is in town; meanwhile, a wealthy business owner called Gerry is found dead in a ravine.

Great Slaughter is buzzing with excitement for this year's talent show; the excitement turns to panic once a magician is murdered due to a trick.

A man's car and body are found in the river.

A man's car and body are found in the river.

Appraisals at Colonial Williamsburg.

Father Brown investigates when rivalries escalate to murderous heights at the Kembleston Olimpicks.

Part 1/2. It's Christmas in the Caribbean and Neville's mom, Melanie, is in town; meanwhile, a wealthy business owner called Gerry is found dead in a ravine.

Phryne has been chosen to lead the flower maidens in the annual Flower Parade; a body of a young girl is washed up on the beach.

Astrid and Raphaelle become reluctant spies and double agents when they are recruited by the French Secret Service and the CIA.

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

Siena, Italy's, Palio horse race; Scottish Highland Games; Carnevale in Venice, Italy; celebrating Easter in Greece.

A man's car and body are found in the river.

A man's car and body are found in the river.

Father Brown investigates when rivalries escalate to murderous heights at the Kembleston Olimpicks.

Part 1/2. It's Christmas in the Caribbean and Neville's mom, Melanie, is in town; meanwhile, a wealthy business owner called Gerry is found dead in a ravine.

Phryne has been chosen to lead the flower maidens in the annual Flower Parade; a body of a young girl is washed up on the beach.

A fun filled experience of music and learning brought to you by talented, Emmy winning Kindie performers.

Ms. O gets trapped in a mirror; Ms. O and Oksana have a disagreement.

Arthur and friends support Mrs. MacGrady after she is diagnosed with cancer; Elwood City wrestling champion Uncle Sam shows Francine and the community how to support cancer survivors.

It's party time for the new agents; using a thermometer; associating different climates with degrees; Doug needs help with an egg situation.

The team identifies raptors and returns them to the wild.

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

Lyla figures out how to do a magic trick with clues from Miss Emmaline; Luke finds a puppy.

Carl turns to his friends to help him organize his plushie collection; Carl loses his bouncy ball collection.

Daniel is excited to show Margaret all the things they can do to celebrate Thank You Day at the Enchanted Garden, but plans change when Margaret gets sick.

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

When Telly learns that earthworms are invited to Abby's garden party, his friends help him feel less scared.

The Wombats are excited for "Show and Tell" but Super might be too busy to attend; Louisa decides the Treeborhood needs a way to announce fun events.

Donkey and Panda make up a game while waiting for Gameshow Gator's new game; Donkey and Panda disagree on which toys are fun.

Rosie and Javi get a new book, but it's in a different language; Rosie tries to form a club with her friends.

Olive and Elinor learn about echoing voices when playing Marco Polo with Ari; while at the lake, Elinor and her friends realize they can't see ears on certain animals.

Lucas gets cold feet before open mic night; Alma helps for the wrong reasons.

Molly, Tooey and Trini find an enormous tusk while playing by the river; a glacial outburst flood threatens to wash away Auntie Cecilia's old fishing cabin.

Bruce Lee helps Xavier and Brad realize that no matter how angry they get, they are in charge of what their body does; Sonia Manzano shows Yadina that telling stories can help manage big feelings.

Rick Sebak travels America's first transcontinental highway, from New York to San Francisco, citing America's culture, food, traditions and automobiles.

The impact that the hot dog has had on pop culture, from architecture to late-night snacks and meals on the go.

Gene Dickison tackles a variety of financial topics in an easy-to-understand way.

American landscape architect Frederick Law Olmsted helped design many well-known urban parks, including New York's Central Park, and designed the public parks and parkway systems in Buffalo, N.Y.

A 1977 Kenner Darth Vader figure; a Tippco toy motorcycle with a sidecar; a Ty Cobb professional model bat circa 1925.

A series of forums that address today's issues impacting communities.

Actors Valerie Bertinelli and Brendan Fraser explore their family histories.

Battling for dominion over the river with crocs; catching glimpses of an ultra-rare mangrove snake and an endangered nabarlek wallaby; humpback whale mothers raise their calves in the ocean; false killer whales.

Exploring the people and wildlife of the Zambezi, Africa's wildest river, from surfers riding the waves in deep gorges to elephants battling rapids above Victoria Falls.

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

April Fair in Seville, Spain; Bastille Day in Paris; running with the bulls in Pamplona, Spain; Munich's Oktoberfest; a traditional family Christmas; Nuremberg, Germany's holiday market; sledding by torchlight in Switzerland.

A career-spanning hour with The Avett Brothers features new songs from their album "The Avett Brothers.".