W23ER-D

Archaeological evidence suggests that the legend of King Arthur began in a 5th-century trading village following the departure of the Romans.

From pythons in Bangkok to otters in Singapore, a look at the extraordinary ways wildlife is making itself at home in the world's cities.

Panelists explore the challenges and dilemmas around online sports gambling and its impact on young men.

Research into the ancestry of singer Lea Salonga and actress Amanda Seyfried reveals relatives who survived heart-wrenching ordeals.

D.W. and Bud take a wilderness adventure; Ladonna is determined to experience all the activities fall has to offer.

Ozzie is torn between solving oddness or helping Opie, who has been promoted to Head of the Department of Help; Ozzie has Bad-luck-itis.

The Wild Kratts use Aviva's Time Trampoline again, this time to visit the extinct Tasmanian Tiger.

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

Lyla and a new friend build a spaceship; Lyla learns her sisters can predict what the other wants, so she tries to do the same with Luke.

Carl and Nico argue over who gets Arugula as their magician's assistant; Sheldon tries to help Carl become a good listener.

Daniel and Dad help Prince Tuesday at the market; Daniel is excited to plant flowers but is upset when he has to do the weeding.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

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.

Mr. E learns a dance for Friendship Day; Super, the Wombats and the Boo Boo Blimp to the rescue when the power goes out for the Friendship Daylight Show.

Duck enjoys "me time" at the beach; the pals like different things at Donkey's sleepover.

It's Recycling Day, so Rosie becomes a recycling kid, but she accidentally recycles Crystal's art project; when Rosie and Javi find a monarch butterfly in the backyard, they try to figure out what it needs so it can flutter again.

While observing butterflies and caterpillars, the kids realize they've never seen a baby butterfly; Elinor, Ari and Olive put on a circus for their friends.

Alma and Rafia try to give away rubber bands; Alma and Rafia think they've invited too many people to Safina's bake sale.

Molly and Trini have trouble checking in the Sassy Ladies of Saskatoon when they arrive at the Trading Post a day early; Molly is determined to save the old clubhouse from sinking completely into the ground.

The kids meet spooky storyteller Mary Shelley who shows Xavier how to tell a story that is both spooky and silly; Harry Houdini teaches Brad how to keep calm when he's scared.

Lyla and a new friend build a spaceship; Lyla learns her sisters can predict what the other wants, so she tries to do the same with Luke.

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.

Ozzie is torn between solving oddness or helping Opie, who has been promoted to Head of the Department of Help; Ozzie has Bad-luck-itis.

The Wild Kratts use Aviva's Time Trampoline again, this time to visit the extinct Tasmanian Tiger.

The many species of raptors, from giant eagles to miniature falconets, and how they survive bitter winters, learn to hunt and undergo epic migrations.

Wildlife photographer Todd Gustafson captures competition for mates, courtship, family, hunting, and flight to illustrate the hidden life of East African birds.

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.

Motel Safari keeps the spirit of Route 66 alive with mid-century modern architecture, themed rooms and neon signs; the Santa Rosa Route 66 Car Museum; Santa Fe; the Man's Hat Shop; Grants, N.M.

Celtic Woman celebrates 20 years at The Helix in Dublin with special performances by founding members Chloë Agnew, Lisa Kelly, Méav Ní Mhaolchatha and Máiréad Nesbitt.

Building a backyard brick patio; new floors; weaving in salvaged floor strips with the original flooring.

Preventing sink drain clogs; how to test for lead-based paint; installing granite hillside steps.

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.

Tony Bennett performs duets with a celebrated roster of performers including Marc Anthony, Gloria Estefan and more.