K43NL-D

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

Exploring the Caribbean heritage of actors Liza Colón-Zayas and Delroy Lindo.

When the Soviet Union falls, Russia welcomes U.S. astronauts to their space station, Mir, but cooperation between former Cold War enemies is threatened by a run of disasters onboard.

Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.

NASA's Cassini probe explores Saturn's icy rings and moons, capturing ring-moon interactions and revealing ingredients for life on the moon Enceladus.

Checking out the variety of lei at a store in downtown Honolulu; author Meleana Estes; touring Little Plumeria Farms; Ed Kenney creates a local dish.

Exploring the Nile Valley from north to south, including the fabled city of Alexandria; pharaohs' tombs and temples in Luxor, Egypt; a riverboat cruise; Ramesses II's temple at Abu Simbel.

Strengthening the arms and back with the striking cobra pose; upside-down exercises.

Toning and strengthening every muscle in the waist.

The Kratt brothers use a new archery skill to rescue baby animals from Donita Donata's yacht.

The Hunters find a stowaway in their picnic basket, a little furry dog.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

Carl gets a universal screwdriver for his birthday; a storm creates a hole in the walkway to Carl's house.

Daniel is disappointed that he is not allowed to use his new toy float in the neighborhood pool; Daniel and Miss Elaina visit Ducky at the farm.

Phoebe and Jay create a game show for Grandma; Phoebe and Jay must find the best way to spend the community coin jar money by taking a building-wide vote.

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

The wombats invent a color game; Super invents a Piggyback rider.

Donkey is disappointed to miss Cheesy Con after she hurts her hoof; Stanley's pals help him get things back on track for his one-dragon show.

Things get out of control when Rosie starts a pet-sitting business; Rosie plays with a rock from Javi's rock collection.

Exploring the Caribbean heritage of actors Liza Colón-Zayas and Delroy Lindo.

Journalist Jane Pauley narrates an examination of the broadcast coverage of the assassination of President John F. Kennedy.

An in-depth look at the life and career of John F. Kennedy, one of the nation's most beloved and mourned leaders.

Why restoring nature may be the best hope for fighting climate change and slowing down global warming.

A new generation of farmers build a sustainable agriculture system.

Learning what plants and trees are really about.

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.

In Canada, a baby turtle ventures through a forest in search of the lake where she will spend the next 50 years; a young bush baby in South Africa searches for a new home.

NASA's New Horizons probe captures the first-ever detailed images of the icy world of Pluto.

When the Soviet Union falls, Russia welcomes U.S. astronauts to their space station, Mir, but cooperation between former Cold War enemies is threatened by a run of disasters onboard.

A look at how the telescope was invented, from Galileo to Edwin Hubble, and how the invention reaches the universe 13 billion light-years out.