K44JF-D

Exploring the quantum universe.

Onsite extraction of fossils of an ichthyosaur, a fish lizard that ruled during the time of the dinosaurs, and a 3-D reconstruction of the creature; host David Attenborough.

Pioneers from Guatemala to Japan share space with wildlife and restore the way we coexist and cultivate among the trees.

Margaret Hoover leads interviews and debates.

Based on the 1935 movie musical starring Fred Astaire and Ginger Rogers, "Top Hat" features dazzling choreography and period sets, with an Irving Berlin score featuring "Cheek to Cheek," "Let's Face the Music and Dance" and "Puttin' on the Ritz.".

Playing the fife and drum; Daniel Tiger learns about friends and sadness.

Sue Ellen becomes obsessed with an Internet game; the gang must decide whether to go on a camping trip.

Chris and Martin search for an obscure rain forest creature.

The Hunter kids head to the state park to learn why leaves change color.

Creating a healthier environment; exploring how humans impact the planet; wildlife experts, volunteers and business professionals talk about the importance of sustainability at the individual, community and corporate levels.

The Cybersquad uses time travel to help Hacker understand why his pet smirble BB loves a healthy park.

A woman and her newly discovered family set out to uncover the truth behind their forced separation.

The push to reduce mosquito populations to protect native Hawaiian forest birds from extinction due to non-native mosquitoes carrying lethal avian disease.

Exploring the West's high desert for the greater sage-grouse -- the largest grouse in North America.

The New York Times' Steven Rich is part of a reporting team that has unpacked the power of billionaires in American communities and politics.

Margaret Hoover leads interviews and debates.

Wisdom and wit from leaders; host Llewellyn King.

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

All-female news analysis of issues and policy affecting the U.S.

Two veteran pollsters discuss climate, environment and energy; featuring Ashley Grosse and Alec Tyson.

Filmmaker Benjamin Wagner examines his own developmental traumas to better understand their causes and impact, and provides roadmaps for healing and strategies for healthier lives and communities.

Grandmothers sit behind a lemonade-style stand in New York's Central Park, offering heartfelt life lessons to passersby.

Jamie Chung, Cyndi Lauper and Danny Trejo retrace the journeys of their immigrant ancestors.

Touring a new attic apartment ADU in Dorchester, Mass.; plumbing update.

Replacing vintage ceramic toothbrush and soap holders; repairing a water-damaged ceiling crack matching the original swirl texture.

The Glacier Express train in the Swiss Alps is an engineering marvel, traveling over treacherous gorges and through huge mountain ranges.

Through her feverish delirium, Cassandra guards Jane's letters from her sister-in-law Mary Austen.

Elizabeth I's image as a warrior queen, facilitated by myths and secrets about her victory over the Spanish Armada, shaped British national identity for centuries.

Everything comes to a head as Richard and Jim descend on Bayview; the family tries to heal and reconnect; the fallout from Mary's actions continues to reverberate.