WKNO-DT

The musical roots of Karen and Richard Carpenter with performance footage and television interviews; songs include "(They Long to Be) Close to You," "Superstar" and "We've Only Just Begun.".

The Smothers Brothers and Judy Collins host a look at the evolution of modern American folk music; performers include Glenn Yarbrough, the Highwaymen, the Kingston Trio and the Limeliters.

Decompressing the vertebrae and stretching the spine.

The slow and steady practice of hip opening and forward folds leads to a moving meditation and slow self-reflection.

Aviva's sub prototype gets sucked into a battle between a sperm whale and giant squid.

Dot and Al announce the Hunters are spending Christmas in Nigeria, and Corky wonders if she can have a fun Christmas without snow.

Lyla and a new friend build a spaceship; Lyla learns her sisters can predict what the other wants, so she tries to do the same with Luke.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

The children work together to create a dancing dragon; Mom Tiger helps the students decorate the classroom for Teacher Harriet's birthday.

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.

Elinor and her friends play Hide-and-Go-Seek but are unable to stay hidden from the Goat twins; an owl inspires Elinor's costume for Costume Day.

The Wombats go on a quest to figure out all the elements that go into creating the perfect personal time routine; Zadie wants to make a really loud noise.

Four kids feel like they don't belong on their first day of school until they learn that friendship and fun come from sharing who they are.

Filmmaker Ken Burns tells the story of Thomas Jefferson, beginning with his youth in the Virginia wilderness and his early political career.

Phyllis McGuire, Pat Boone and Nick Clooney host a trip back to the 1950s with a mix of live performance and archival footage featuring classic moments from artists such as Perry Como, Debbie Reynolds and the McGuire Sisters.

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

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

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Dr. Daniel Amen explains the causes of memory loss, the seven foods and supplements that may enhance memory and how to supercharge memory with 11 simple daily practices.

Some of America's best railway adventures, from the Rocky Mountaineer to the Skyrail, offer a glimpse into our nation's railroad history and explore how railroads defined the spirit of North America.