W22DO-D

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.

A standing and barre workout strengthens the knees and prevents knee pain.

Ozzi and Orli go on a mission to catch the villain who is ruining the Triangle Sisters' café; Opie must collect enough money to pay for Captain O's 10-layer birthday cake.

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.

Dusty, Dott, and Alphabott team up to explore the letter i -- how it is written, the short sound it represents, and words that use the letter i; Dusty and Dott discuss good hygiene practices for staying healthy.

Arthur tries to help Prunella with her pack rat habits; Binky finds out his real name.

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.

Silver-covered table with paint accent rub; knight in shining armor shield and Viking hat with accent rub; silver paillette door beads and curtain; industrial metal shelves.

Touring the San Francisco Flower Market; arranging flowers with Aaron Peskin; what it takes to be a flower buyer on a grand scale.

Mike Pekovich, creative director and editor of Fine Woodworking magazine, takes over the shop to build a dovetailed tea chest.

A snow-capped mountain.

American black cherry Chippendale highboy with scallop shell carvings.

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

Growing good food for family and wildlife, even in limited spaces.

Appropriate plants for a front entrance.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest stories of the day.

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

Two million Irish people emigrated in the immediate aftermath of the Famine; the contribution of the Irish, as well as other ethnic groups, in the building of the U.S.; the role of the Irish in the world.

A Walpole ranch is reimagined with an ADU for aging parents, a primary suite bump-out, smarter baths and better flow from garage to new mudroom and kitchen.

Basic tools and supplies needed to paint a room; compost versus disposal; how to run underground power from a house to a shed.

When tragedy strikes a local family, Dr. Turner's treatment comes under scrutiny; Trixie worries about the future of midwifery in Britain.

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

Richard Gere narrates the life of the Buddha.