K42AC-D

Elmo, Tamir and their friends are making a Peace Tree to celebrate Martin Luther King Jr. Day.

Ronald, a meticulous, rule-following pig, and Roxy, a free-spirited musical hedgehog, explore the "wows" of one of America's most extraordinary places -- Sequoia National Park.

Harriett encourages Donkey to try using clay in art class; Donkey and Panda do kind things all day.

Rosie and her friends pretend to be pirates, but they need a globe to plan a route around the world; June and Rosie plan a virtual breakfast.

Elinor and her dad learn how to make their own chocolate; after accidentally breaking a jade plant, the kids learn how the plant grows.

Alma gets jealous when Rafia and Lucas talk about their fun playdate; Alma can't decide if she wants to see a new movie.

Molly teaches tourists how to fish responsibly; Molly helps Randall hide his long hair.

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

From New York to Kolkata, dicovering the surprising and beneficial ways urban wildlife transforms cities into thriving, shared ecosystems.

From New York to Kolkata, dicovering the surprising and beneficial ways urban wildlife transforms cities into thriving, shared ecosystems.

Three classic Greek getaways -- Santorini, Mykonos and Rhodes -- include touring ancient Greek ruins, tracing the vestiges of the Crusades and sampling rustic cuisine.

Host Ted Simons, focuses on topics including politics, business, social and legal issues.

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.

Uncovering how volcanoes and tight-knit communities inspire its artists.

The life and career of Michael Tilson Thomas, music director of the San Francisco Symphony, founder and artistic director of the New World Symphony and conductor laureate of the London Symphony Orchestra.