KCWC-DT

Exploring the relationship between humans and the skies, from how ancestors used the sky to navigate and tell time to the birth of modern science.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

Thoreau returns to society, taking on roles as surveyor, scientist and abolitionist, and makes two more Maine trips; Thoreau writes with renewed energy as he faces a lifelong illness.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

Working the muscles of the pelvic floor.

Strengthening and stretching the hamstrings.

After his pet fruit fly, Juice, dies, Jimmy wonders if any animal can live more than 100 years.

Lily and her family discover a surprise and also embark on a weather hunting expedition.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

Jodi's asthma makes it hard for her to run around with her friends during a game of Splat Ball; Daniel feels left out when there's no room for him to play at the xylophone.

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

Alan has many food deliveries to make at Hooper's and needs vehicles to finish them; Elmo, Charlie, and Rosita help Alan by riding their scooter and bikes to deliver food to customers.

When Bex removes her cochlear implant and hearing aid so she can go on the waterslide, Sammy and the Wombats find new ways to communicate; the Wombats love Leiko's new mural.

Donkey must wait for all her pals to get together before she can open a big present; Panda throws a party on Planet Purple to celebrate his mama's birthday.

Rosie, Javi and Uncle Steve use landmarks to get to Calvin's bakery; Rosie, Iggy and Javi lose their Easter eggs.

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 André help Junior write a story; Alma and Eddie surprise Nestor and Gloria.

A routine science expedition with Grandpa Nat and Nina becomes a rescue mission; Molly and Mom join Randall and his family in Sitka for their traditional canoe trip to Celebration in Juneau.

Willard Wigan shows Yadina that slowing down can help her make friendship bracelets more carefully; Maria Sibylla Merian shows Brad that he can have fun while waiting for flowers to grow.

Portland Head Light is a historic lighthouse in Cape Elizabeth, Maine.

Lamb meatballs in a jelly glaze; homemade beer cheese; scrapple sliders; wings with two sauces -- sweet Asian sauce or tangy honey mustard.

Tiffany Studios Turtle-Back diver's lamp circa 1905; John George Brown's Making Houses of Sand Oil circa 1880; a Chinese silk dragon panel circa 1775.

The top three cooks present their most treasured dishes in the final round.

Owners of an Italian village unpack a painting of an ancestor who once dined with Mozart.

Visiting the last remaining grassland preserve in California to see the super bloom of flowers.

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.

Chad Hanson might know more about Wyoming's wild horses than any other person, and his breathtaking new book is proof.

Following the dancers of the Martha Graham Dance Company as they tour the world.

Behind the scenes of the 1964 stage premiere of "Swan Lake," choreographed by Russian dancer Rudolf Nureyev.

The royal family's race to be by Queen Elizabeth's side in her final hours at Balmoral Castle; William I the Conqueror's odorous burial in St. Stephen's Abbey in Caen, France; Prince Edward's Bagshot Park estate.