WDPB-DT

NASA's Cassini probe explores Saturn's icy rings and moons, capturing ring-moon interactions and revealing ingredients for life on the moon Enceladus.

Exploring humanity's timeless questions -- who we are, why we are here and where we are headed -- with leading thinkers Richard Rohr, A.R. Bernard, Rachel Timoner, Kwame Anthony Appiah and Kelly Brown Douglas; host Ray Suarez.

André Rieu and his Johann Strauss Orchestra perform in Maastricht, Netherlands; music includes Verdi's Triumphal March of Aida, "Dancing on the Stars," a sing-along of "Sweet Caroline" and "The Blue Danube.".

Danny's rave review of Jay's lemonade recipe inspires Albie to create her own; Huggy and Albie want to build the biggest cup tower.

Dot and Al announce the Hunters are spending Christmas in Nigeria, and Corky wonders if she can have a fun Christmas without snow.

Lyla struggles to sleep and tries to figure out what is wrong with her sleep routine; Lyla tries to do her own hairstyle.

Nico is tired of being mistaken for her twin sister; Carl is upset when Nico breaks the Lint Dinosaur Monday rules and makes a Lint Monster instead.

Mom Tiger shows Daniel the strawberry patch; crayons are made at the factory.

Phoebe and Jay accidentally get paint on the mail and have to decode addresses; Phoebe and Jay find their parents' box of memories.

Cinderella needs to tell time for the ball, but her clock is broken, so Nina, Abby and Rudy wonder what tool they can use to fix it.

Malik and Zadie can't agree on how tidy to keep their bedroom; Zeke's friends build houses for the fairies who have moved in.

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, Crystal and Iggy try to recreate Mom and Papá's beach anniversary tradition at home; it's Chiles en Nogada Day, but when Papá loses the recipe, it's up to Rosie to figure out who else might have it.

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 Rafia want to keep a bird's nest safe; Alma and her friends look for a litterbug.

Alaska state basketball champion Kamaka Hepa offers Molly and her basketball team pointers on the court.

David Suzuki explains to Xavier that by taking care of the earth, we take care of ourselves; Esther Martinez explains to Xavier and Yadina about how stories can connect people to their family histories.

Michigan's Upper Peninsula was once the center of the mining world during the copper boom of the late 1800s; discovering the roots of a "Yooper"; regional recipes include planked-style Lake Superior whitefish.

Double-crust chicken pot pie; creamy peanut butter; cowboy cookies.

Gabriel teams up with Ruby to take part in an outreach program to a tea plantation center, but Ruby may have ulterior motives in making the trip; Lydia tries to help a patient who has been victim of domestic abuse.

A W.W. Denslow-inscribed "The Wonderful Wizard of Oz"; a Mercury space capsule wind tunnel model; black opal ring.

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

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

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

Recital performances at the Field Concert Hall.

When the Head Nose of a famous fragrance dynasty is found dead in his study, Sister Boniface must sniff out a killer.

Father Brown has a lot on his plate when a food fair comes to Kembleford, bringing murder with it.

Gently and Bacchus are thrown into the new world of pop and media celebrity when the body of a missing schoolgirl is discovered in a shallow grave.

Conservation efforts to protect plant and animal life at Great Smoky Mountains National Park; photography captures misty mornings in Cades Cove and vibrant scenic trails.

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.