WKNO-DT

An exclusive journey into a cave that houses well-preserved Stone Age art of lions and mammoths, and how scientists are unlocking the secrets of these masterpieces of early human creativity.

Scientists explore glaciers, oceans and frozen frontiers to discover hidden worlds and clues to life beyond Earth.

Vintage finds include a Gibson style H-2 mandola circa 1918, a Tiffany Studios Daffodil lamp circa 1906 and an 1852 Lincoln manuscript.

The struggle for freedom by the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans.

Twisting the spine to liberate the upper body and shoulders; finger exercises help relieve neck and shoulder pain; releasing tension in the hips and spine to stretch and strengthen glutes and hamstrings.

Moving from the periphery into the core using twists and backbends.

Martin and Chris try to rescue a foal who is separated from his mother by a rogue wave.

The Hunters investigate a mysterious rain that happens with no clouds in the Indonesian rainforest.

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

Carl and Sheldon are on a thank-you mission; Carl shows his friends the right way to play with pet rocks.

King Friday makes Daniel king for the day, and he learns that the most important part of the job is to be kind to his neighbors.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

After a disagreement, Olive and Ari learn about how nature works, which helps them resolve their issue; the kids learn about meadows.

The Wombats use a 3D printer to save Cake Day when Mr. E's cake table collapses; the Wombats create a pretend vacation to cheer up Buckley.

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

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.

Horticulture expert Dr. Chris Cooper and other experts share their garden wisdom and answer e-mails and letters about lawn and gardens.

The team witnesses a baby boom in the Delta; lioness Matho protects her cubs while the leopard Xudum reveals her newborns as danger looms nearby.

Exploring Europe's Danube River, including secret tributaries, baby turtles and a waterfall riding kayaker.

A Louis Comfort Tiffany necklace; Louis Armstrong archive circa 1950; Joseph Stella oil and original frame.

The village comes together to search for a missing boy; Sidney, Geordie, Leonard and Mrs. Maguire forge a new path.

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.

Traveling the highways and byways of Tennessee.

Horticulture expert Dr. Chris Cooper and other experts share their garden wisdom and answer e-mails and letters about lawn and gardens.

Based on the novels of G.K. Chesterton.

Phryne's determination to track down Murdoch Foyle is derailed when a young girl is found drowned in Aunt Prudence's fountain.

As Judith and Suzie work with the police to find the killer, tensions rise among Becks' friends in the house.

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