KOZK-DT

How the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

Rising sea levels threaten tiny Tangier Island in the Chesapeake Bay off the coast of Virginia.

A hit-filled tribute to master songwriter, storyteller, musician and performer Jimmy Webb, whose hits include "Up, Up and Away," "Wichita Lineman" and "By the Time I Get to Phoenix.".

Jazz vocalist Samara Joy makes her debut at London's Royal Albert Hall, offering unique twists on classic songs ranging from bossa nova to the Great American Songbook.

IAQ testing; restoring a Victorian firebox; transitioning landscapes from spring to summer; organizing a tool storage cabinet.

Stretching and lengthening the spine in a full range of motion helps to create more ease in the shoulders and upper back.

An all-standing workout to improve posture and balance, increase range of motion and relieve aches and pains while stretching the entire body.

Full body workout set to country music.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

Lyla and Everett design a waffle costume for Stu; Lyla creates an original game to reignite everyone's interest in family game night.

Forrest can't wait to try everything at the Fuzzytown Friends Picnic, but gets into trouble when he is unable to wait his turn; Carl hosts a Super Blue Moon Sleepover.

Daniel and his friends help rebuild Music Man Stan's scene after a gust of wind knocks it down; Daniel and his friends try new games at Fall Field Day.

The Shuffler mixes everything up at show and tell; The Shuffler and The Eraser team up to put on a show that goes very wrong; a high-flying hang-gliding adventure is interrupted.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Cookie Monster tries to bake a new cookie for Elmo; Abby and Grover solve a puzzle of their own.

Zeke and Louise plan to build a house for Snout; Kaya hopes to make a video once JunJun conquers his on-camera jitters.

Cousin doesn't always like the way his new pet plays; the pals prepare for a silly weather event.

Rosie and Javi want to play Abuela's song for Music Night at Tia's Restaurant; Rosie wants to be an inventor.

Elinor, Ari and Olive play Snow Tag with their new friend, Gael the lynx; Ari makes friends with a rock.

Alma and Eddie try to write a song in hopes of winning the Song of Summer Contest.

Molly and Trini look for firewood to make treats, but plans are interrupted by a storm; Molly and Tooey hope to teach Trini how to skate in time for the River Skate and bonfire.

Baker Flo Braker; crunchy butter galettes; raspberry-fig crostata.

The International Rose Test Garden; replacing damaged bathroom tiles; reviewing comments from viewers.

Bella is shocked when Marco proposes and finally tells her family about her divorce; Constance tells Vito about Tommy; Alice is hurt when Carlo rejects her.

A journey down the Colorado River to discover the ripple effects of humanity's quest to conquer water.

Tracing the arc of extinction from prehistory to the present, from fossils entombed in tar to cells frozen in hope.

In-depth reporting, interviews and analysis of big, breaking international news stories.

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.

Two window experts use one original window to repair another original window; building a cedar bracket to support the roof; a factory that fabricates pine flooring from salvaged wood.

The evolution of smart home tech; installing a smart privacy film on a window; designing a Santa Fe garden walkway.

Tracing Missouri's lasting role in U.S. history, from Indigenous cultures up to the brink of the Civil War.

Trace Missouri's complex transformation from a battleground to a keystone state; explore the role in westward expansion, the civil war era as a border state and the persistent struggle for civil rights and racial justice.

Vivid stories, archival imagery and expert voices outline how Missouri's cultural contributions helped shape the identity of America.

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