KTTZ-DT

Scientists, citizens and activists restore the environment thanks to a new understanding of nature.

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

Battling for dominion over the river with crocs; catching glimpses of an ultra-rare mangrove snake and an endangered nabarlek wallaby; humpback whale mothers raise their calves in the ocean; false killer whales.

The history of unique American horse breeds, including the mustang, Appaloosa, Morgan and quarter horse, that helped shape the nation and the people who continue the tradition of caring for them.

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan.

A gentle standing and bar workout helps relieve foot pain and shin splints.

New exercises focus on the feet.

The brothers are trapped when their submarine loses power.

As a hurricane approaches, the Hunter kids learn about preparation and safety, moving furniture inside and checking their emergency supplies.

Lyla and her family must figure out a way to get Stu back home when he gets lost delivering cookies.

Arugula and Carl go on an adventure as archaeologists; Carl spots a UFO on Mother's Day.

Chrissie encourages Daniel to ride a horse; Margaret gets scared when fireflies crash the family picnic.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

While Abby and Elmo work together to find a lost Bubble Bug, Grover and Cookie Monster stay behind to take care of the fairy garden's magical beasties.

The Wombats lose Snout while helping Mr. E wrap boxes; Snout sends a postcard to Zeke.

Donkey wants to make Grampy a surprise birthday breakfast, but none of her flapjacks will fly; Panda's toy pickle gets stuck between two rocks.

Rosie, Crystal and Iggy try to recreate Mom and Papá's beach anniversary tradition at home; it's Chiles en Nogada Day, but when Papá loses the recipe, it's up to Rosie to figure out who else might have it.

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 tries to help Mami fix the mofongo; Alma takes her sports rivalry with Eddie too far.

Molly and Tooey are confused when Trini refuses to join the basketball team because of polar bears; Molly's trip north to surprise Nina for her birthday is jeopardized by a moose blocking the runway.

Helen Keller teaches Yadina that there are many different ways to learn; Alexander Graham Bell shows Xavier and Yadina how to help Brad after he loses his voice.

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan.

From the Galápagos Islands to the edge of Antarctica, island wildlife reveal insights into the rapidly changing planet.

From jet skiers to herpetologists, manatees to snapping turtles, the wild Suwannee River inspires a whole range of passions.

A Louis C. Tiffany enamel vase circa 1905; a 1599 Thomas Buckminster almanac; Ernie Barnes' Fourth and One oil painting.

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.

Supreme Court Justice Neil Gorsuch, Michigan Gov. Gretchen Whitmer and retired Gen. Stanley McChrystal reflect on the principles that have sustained the American experiment in self-government for 250 years.

President George H.W. Bush's role as leader of the first Gulf War, through the final days of his presidency.

A look at the documentary series by Ken Burns that illustrates how the American Revolution came to life.

Exploring the period between 1963 and 1976 when America was forced to confront the purpose of the vice president and the succession process that is enacted if a president is unable to serve.

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