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Elmo and friends have until the end of the day to set the record for the tallest cookie tower ever.

The Wombats program the "Toy Maker" when Mr. E's shipment is delayed; the Wombats track down a ruckus, discovering many noises along the way.

Grampy asks Donkey to take Gregory for a walk, but Gregory won't move; Harriett Elizabeth Cow wants her pals to try her invention -- the Bounce-a-rino.

Rosie and Javi's pirate adventure goes awry; Rosie has trouble choosing a job at the first Fun Club meeting.

The kids try to locate a missing Srta. Tapir at a music festival by listening for her drums; the kids try to track down a bird thief.

Junior gets frustrated when Alma distracts him from learning a dance; Alma wants to celebrate Chacho's birthday.

Molly is eager to help the Kratt brothers track a missing wolf pack; Molly and friends investigate a strange noise.

William Shakespeare shows Brad that it is alright to feel how he is feeling; Katherine Johnson encourages Yadina to be proud of her love for turtles.

Family activities around Lake Tahoe include a dog run up to Monkey Rock; a senior-friendly walk at Spooner Lake; a ride on the Tahoe East Shore Trail; an all-family experience at Taylor Creek.

A West Coast-East Coast adventure shows off the charms of California's Big Sur region; Key West, Fla.

A team of forensic experts excavate a giant Pliosaur skull, the largest Jurassic predator ever known.

David Attenborough explores how the threat of extinction for millions of species may lead to problems with food and water security, the ability to control the climate, and a greater risk of pandemic diseases.

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.

Desserts featuring rose water syrup include shredded phyllo dough layered with pistachio-walnut filling and birds nest-shaped sweets topped with pistachios.

When Lady Felicia invites a prestigious group of writers to Montague, her hopes of being published are eclipsed by a murder.

Father Brown is called upon to untangle the mystery when a seamstress is stabbed to death.

Lucy Worsley investigates the 18th century breakup of Britain and America, including the turning points that led to America's Declaration of Independence from Britain in 1776.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

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

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.

Dr. Daniel Amen maps the brain networks that drive physical and emotional pain and reveals his practical, brain-based strategies that help you feel better, think clearer and live more fully.

Rick Steves celebrates the value of exploring the world as he captures the joys and rewards of travel with visits to Guatemala, Ethiopia, Palestine and Iran.

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

While looking at shapes in nature, the Wild Kratts discover a sphere shaped "rock" that turns out to be a 3-banded armadillo; Zach challenges everyone to a bowling match.

Buster believes that a comet is heading straight for Earth; Arthur learns about a different culture when a Spanish family moves in.

Corky is selected to make a presentation at school during a science day celebration, but humidity jeopardizes her project.

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

Carl's favorite sour pickle scratch-n-sniff sticker loses its smell; Carl notices that his baby blanket, Knit-Knit, has a hole in it.

Daniel is frustrated when Juan Carlos doesn't pretend the same way he does; Chrissie gets upset when O plays horse differently than she does.

Phoebe and Jay are asked to bird sit; photo time leads Jay to an outfit disaster.

Tamir is disappointed when Grandma Nell shows off the drawing he made for Chris before it is finished.

The Wombats build a wind chime to help Great Uncle Duper fall asleep; Zeke tries to make Snout out of clay.

Duck enjoys "me time" at the beach; the pals like different things at Donkey's sleepover.

Rosie, Iggy and Crystal make a movie; Mom finds a photo from the day they got Gatita.

Noisy birds keep Elinor's dad awake; Elinor loses her voice just before she and her friends are supposed to sing for the class.

A dirty Chacho runs away at the park; Alma realizes that Frankie's old sneakers are more valuable than they appear.

Molly invites Oscar to go mountain climbing with her and Grandpa Nat, but he is afraid of heights; Travis returns to Qyah to photograph a rare willow ptarmigan.

Jerry Siegel and Joe Shuster encourage Brad to believe in the power of his imagination; Edmonia Lewis inspires Xavier to create a piece of art for his mom that represents their family.

A unique site in southern England preserved rare traces of ancient ice age mammoths and Neanderthals; host David Attenborough.

New evidence sheds lights on the life and mysterious collapse of Cambodia's ancient jungle city.

Eric Hanson and guest Dan Becker embark on a rim-to-rim-to-rim Grand Canyon trek that takes an unexpected and dangerous turn.

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.

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.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Exploring the ancestry of actress Sharon Stone and model Chrissy Teigen includes traveling across Europe and Thailand.

Exploring the role of Jewish composers and lyricists in the creation of the modern American musical; narrator Joel Grey.