WHLA-DT

Exploring the quantum universe.

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

David Mladenoff, Professor, Department of Forest and Wildlife Ecology, UW-Madison, shares the history of Wisconsin forests and discusses the role natural and historic disturbances have played.

Arthur can't come up with a jingle for a cereal contest; D.W. struggles to do cartwheels as well as Emily.

Olive and Otto investigate why things are disappearing all around town; one of the four Debbies from Debbie's Pizzeria disappears.

Chris, Martin and Aviva need osprey creature powers to find keys that Jimmy dropped in the ocean.

The Hunter kids head to the state park to learn why leaves change color.

Lyla gets a strike her first time bowling but gets frustrated when she realizes bowling isn't as easy as she thought it was; Lyla feels left out when Everett and Ale's friendship thrives.

Carl doesn't know what to do when Nico falls; Carl learns a new word -- shindig.

Daniel gets mad when he doesn't get a crayon box right away at the Crayon Factory.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

While watching baby dragons for the first time, Abby, Elmo and crew join voices for a soothing bedtime bop to make sure the little beasties go to sleep.

Zadie earns Junior EMT status and follows Ellie on her EMT calls; the Wombats bake a boat-shaped birthday cake.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

Rosie puts on a concert when Tia is unable to get tickets to see her favorite singer; Rosie loses her first tooth, and prepares to welcome both the Tooth Fairy and the Tooth Mouse.

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 and Junior teach Uncle Nestor how to ride his first bike; Papi lets Alma go to the grocery store by herself.

A heat wave hits Qyah and Molly is determined to find out the highest temperature on record; Molly and Trini must save Qyah from a wildflower.

Xavier and Yadina overcome a sibling spat with the help of Confucius; Sacagawea helps Xavier and Brad realize that just because Yadina is younger, she can do more than they think.

Tom helps a homeowner install a new door knob passage set on his closet door; Richard gives a history lesson about plumbing and shows off new toilet technology; Jenn uses a historic landscape design as inspiration to revive an overgrown backyard.

Sausage ragù; fettuccine tasting; fluffy baked polenta with red sauce.

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.

Olive and Otto investigate why things are disappearing all around town; one of the four Debbies from Debbie's Pizzeria disappears.

Arthur can't come up with a jingle for a cereal contest; D.W. struggles to do cartwheels as well as Emily.

Chris, Martin and Aviva need osprey creature powers to find keys that Jimmy dropped in the ocean.

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.

The tourist-filled Oahu; exploring the active volcanoes of the Big Island; ancient traditions of Molokai Island; Kodiak Island in Alaska.

Mike and the team try to figure out if the killing of an animal activist on the first day of duck hunting season was accidental or something sinister.

Two years after his apparent death, Sherlock returns to solve a terrorist threat; John, having moved on with his life and angry that he wasn't told of Sherlock's plan to fake his own death, refuses to help.

A lawyer of Italian origin falls in love with the village his forefathers left behind.