WGBH

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.

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.

Buster starts an archaeological craze when he finds an arrowhead; Arthur attends a medieval fair.

As Jimmy Jam's Scrambler Machine scrambles Odd Squad communication, the villains plan to unleash oddness; Dr. Dry steals the Sandbeast's golden egg.

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.

While painting outdoors, Elinor and her class experiment with natural items that they find after they run out of paint; Elinor, Ari and Olive help Mrs. Hippo pick up litter.

Alma tells Junior a story about a magical place called Oz and a quest to see the Rubber Band Wizard.

Molly rushes to find a new gift for her new friend, Kevin; Grandpa Nat's new drone is swept away by a dust devil.

Grace Hopper shows Xavier that he will never know if he can build his robot differently than everyone else unless he tries; Itzhak Perlman shows Xavier that he can learn music his own way.

JuJu's fruit smoothie; big brunch enchiladas; black beans from the pot; nopalitos with sautéed corn and guajillo.

Turkey thigh confit with citrus-mustard sauce; cranberry sauce; skillet turkey burgers.

Local historian Maggie Cole shares too much detail about the locals and their private lives during a radio show, changing life in the village forever.

Experiencing the complex world of ocean waters with a never-before-seen look at how life underwater co-exists.

The crew places a center beam in the old ranch house to support the second story; a hole is cut in the original foundation for a new basement window; Kevin visits an engineered lumber factory in Canada; Tommy and Jeff raise the end gables.

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.

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.

Little Slovenia's capital of Ljubljana; mountain resort of Lake Bled in the Julian Alps.

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.

Twenty-four hours a day, the latest national and international stories as they break.

Pisa y Lucca; a tipsy tower; Puccini.