KTTZ-DT

Scientists try to figure out how to predict weather events called "rain bombs" that sink ships and down planes.

Isabella Tree and her husband, Charlie Burrell, strive to breathe new life into the ailing Knepp estate. They reintroduce native ponies, deer, pigs and other wildlife, allowing nature to thrive.

At the Church of the Holy Sepulchre in Jerusalem, an orthodox Christian must deliver a holy flame into the hands of his bishop; at the Boudhanath in Nepal, a Buddhist painter battles the elements in honor of Buddha's birthday.

Actors Ted Danson, Mary Steenburgen and William H. Macy trace their nonconformist ancestors back to the Puritan establishment.

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.

Breathing exercises using a towel; balance and eye exercises.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

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.

Tiger expert Valmik Thapar uncovers 50 years of archival footage chronicling the tiger clan of northwestern India's Ranthambore National Park.

The Ghost Wolves of Galveston Island; the Karankawa Kadla, a group of Native Americans who were thought to be extinct.

Matagorda Island, the traditional homeland of the Karankawa people and World War II training grounds; surfer Ellis Pickett advocates for the public's right to free and unrestricted access to Texas beaches.

Exploring the history and science of cotton.

A Hassan el Glaoui tempera painting circa 1970; Line Vautrin Talosel mirror; a diamond horseshoe brooch circa 1900.

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

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

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

Stories about an award-winning band plus the important work to find transplant donors.

Experiencing Texas through the perspective of a storyteller.

Country Music Hall of Famer Tanya Tucker sings songs from "Sweet Western Sound"; Brittney Spencer performs songs from her debut "My Stupid Life.".

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