KOZK-DT

Touring a new attic apartment ADU in Dorchester, Mass.; plumbing update.

Replacing vintage ceramic toothbrush and soap holders; repairing a water-damaged ceiling crack matching the original swirl texture.

Stephen Hawking considers whether time travel is possible; ideas include DeLorean, atomic clocks, a giant black hole and a large swath of New York.

Stephen Hawking challenges three people to ponder the likelihood of alien life.

Pioneers from Guatemala to Japan share space with wildlife and restore the way we coexist and cultivate among the trees.

Onsite extraction of fossils of an ichthyosaur, a fish lizard that ruled during the time of the dinosaurs, and a 3-D reconstruction of the creature; host David Attenborough.

Exploring the quantum universe.

A gentle seated yoga session using a chair for support, including seated sun salutations and gentle stretches designed to increase range of motion and enhance mobility in the shoulders, upper back, hips and more.

Standing exercises to improve posture and stretch the chest muscles; floor exercises to strengthen the stabilizer hip muscles; isometric sit-ups work the entire torso.

Functional movements help improve performance of daily activities.

The Hunters learn how temperatures can affect outdoor plants and gardens.

After feeling left out, Luke decides to switch places with Stu; the Loops kids throw a surprise party for their parents.

Dylan is excited to play his new game, but things take a turn when the game pieces fall into a floor vent; Carl is determined to get into the FuzzyWorld Book of Records.

Daniel and Miss Elaina don't want to stop playing when it is time for Quiet Time at school; Daniel finds something that will help him rest.

Phoebe and Jay use a checklist to guide them through their tasks; Jay creates his first comic book and learns about the importance of page order.

Abby, Big Bird and Cookie Monster play against Gabrielle, Zoe and Elmo in I Wonder If We Can Use This, a game where they figure out if items can be used for something.

Devonte J. Squirrel moves to the Treeborhood; Devonte and the Wombats create a machine that makes ice cream using a bike.

Donkey wonders if she and her cousin can have fun together since they don't like doing the same things anymore; Panda thinks about how he is different from other pandas.

Things get out of control when Rosie starts a pet-sitting business; Rosie plays with a rock from Javi's rock collection.

Elinor and her friends surprise Ms. Mole for Teacher's Day; a pig named Rudy helps Elinor and her friends sniff out some truffles.

Alma helps Mr. Ramirez figure out what to do when he lets too many cats into his shoe shop; Alma tries to convince Howard to play stickball.

Molly and Vera visit an excavation site, where they make a discovery; the Sassy Ladies of Saskatoon search for a glacier.

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.

Chef Johanne Killeen bakes gingerbread-baby cake and johnnycake cobblers.

The dangers of carbon monoxide and how an operational CO detector could be the difference between life and death; using stock lumber and millwork from a home center to build a home message center that mimics a window; a white orb on a stake.

A behind-the-scenes look at "Big Pacific" includes highlights and challenges of filming wildlife.

People who lost touch after the civil rights movement hope to reconnect.

Two Vietnam veterans search for the heroes who saved them; an Army officer searches for the helicopter pilot who rescued him; a soldier wants to reconnect with the surgeon who saved his leg from amputation.

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.

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.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Part 1/2. A profile of Lyndon B. Johnson examines his early years in Texas politics, early presidency, and war against poverty and discrimination.

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

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.