K41AD-D

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

Science writer Michael Shermer.

An adventure across Iowa's scenic byways, enjoying the historic sites, unique attractions and natural beauty along the way.

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.

The colorful world of Earth's essential pollinators -- bees, moths and butterflies.

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

A beginner, full-body workout to improve posture includes stretching connective tissue in the back, chest and core.

Benny becomes enamored with the mail carrier, and wonders how she delivers the mail in different weather conditions.

Lyla and Luke create and act out variations on a fairy tale; Lyla, Louis and Stu track down a lost package.

Nico is tired of being mistaken for her twin sister; Carl is upset when Nico breaks the Lint Dinosaur Monday rules and makes a Lint Monster instead.

Prince Wednesday wishes he weren't so little; Daniel helps Dad build a playhouse.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

At the Sesame Street Jazz Festival, Elmo and Zoe learn to improvise, listen to each other play and take turns.

Zadie tries to help Zeke overcome his fear of riding a two-wheeler; the Wombats design a gift for baby fish.

Duck Duck can't figure out how to fly Harriett's new Swoop-a-rino; Donkey takes Duck Duck on an adventure.

Rosie makes a dance party island in her backyard, but the flag she puts up causes confusion; Rosie decides to be the mascot for Javi's soccer team.

Honeybees disturb Elinor, Art, Olive and Koa during their picnic in the forest; the kids work together to move their dirt bike path so turtles can get to the water.

Peg and Cat become Knights of the Round Table when a furniture store becomes a forest; famous painters need purple paint for their masterpieces.

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.

Prince Wednesday wishes he weren't so little; Daniel helps Dad build a playhouse.

Zadie tries to help Zeke overcome his fear of riding a two-wheeler; the Wombats design a gift for baby fish.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

Benny becomes enamored with the mail carrier, and wonders how she delivers the mail in different weather conditions.

Mary Anning inspires Xavier and Yadina to continue working on a tricky art project; Charlie Chaplin helps Yadina cheer up Dr. Zoom.

Chacho chews up the socks that Alma plans to donate; Alma and friends make an animal show.

Sue Ellen and Fern change their images; Binky steals Buster's joke for his oral report.

A rare Golden Bamboo Lemur is born.

Tracing the rise of Greek culture; the Acropolis, Parthenon and Golden Age temples.

Barnaby begins to doubt the evidence in a woman's murder trial.

Spanish flu reaches Downton, and desperate Thomas looks for a way to re-establish himself. Ethel faces a dilemma when the Bryants return with a heartbreaking proposition. Decisive, Anna forces Bates to think about their future.