WCPB-DT

How two revolutionary ancient inventions changed the course of humanity forever.

Stretching and strengthening the abdominal and back muscles helps protect the spine from injury.

An all-barre, waist toning workout strengthens the abs and slenderizes the core.

Ronald, a meticulous, rule-following pig, and Roxy, a free-spirited musical hedgehog, explore the "wows" of one of America's most extraordinary places -- Sequoia National Park.

The Mobile Unit helps the New York City Odd Squad when agents go on strike; agent-in-training Orpita does her agent profile report on Omar.

The brothers learn about hunting mechanics from hammerhead sharks after Martin loses the Creature Power Discs.

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

Lyla and her siblings figure out a new morning routine so they won't miss the bus again; Lyla wants to learn a popular clap and dance sequence -- the Carrot Cake dance.

Sheldon can't wait for Carl to play his favorite beach game; Lotta and her friends search for Lotta's lost blanket.

Daniel takes care of the class pet; Daniel learns that taking care of Margaret makes him feel good.

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

When Oscar tries to find someone disappointed by his disappoint-o-meter, he accidentally makes them happy.

The wombats battle sea monsters, surfing scoundrels and pointy rocks on their way to make a sandwich delivery; Mr. E. buys a robot to hand out balloons.

Donkey accidentally breaks Grampy's favorite toy; Donkey and Panda play with a new Tater Buddy.

Rosie searches for an item to sell at the Neighborhood Market Day, but she struggles to find something just right; Rosie and her friend Javi decide to open a slime store.

Elinor learns about the importance of bones after she breaks her arm; the kids need to build a craft for the craft show and get inspired by mud.

Alma gets jealous when Rafia and Lucas talk about their fun playdate; conflicting opinions influence whether Alma wants to see a new movie.

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.

Reporting on political happenings.

Regional theaters Everyman Theatre and Mosaic Theater.

Another dead body is discovered, staged to look like a suicide; Dalgliesh and Miskin begin to untangle a web of rivalries and infidelities within the rural community, unearthing a killer with secrets to hide and tracks to cover.

Artists and groups from the 1960s perform, including Davy Jones of The Monkees, Paul Revere & the Raiders, The Miracles and Peter Noone.

A look at milestone albums of The Beatles and the stories that accompanied them.

Sites along the bay include Calvert Cliffs, lighthouses, Baltimore and Annapolis, Md.

Another dead body is discovered, staged to look like a suicide; Dalgliesh and Miskin begin to untangle a web of rivalries and infidelities within the rural community, unearthing a killer with secrets to hide and tracks to cover.

Exercises help increase postural awareness and stabilize the shoulders.

Maryland's stretch of Appalachian Trail; learning to live with beavers.

Quilter's Playground, a row quilt featuring blocks that showcase foundation piecing, fusible appliqué and quilting in the embroidery hoop.

Miranda Esmonde-White develops a practical six-point plan that focuses on gentle daily movement to keep the mind sharp and body active at any age.

Dr. Daniel Amen explains the causes of memory loss, the seven foods and supplements that may enhance memory and how to supercharge memory with 11 simple daily practices.

Some of America's best railway adventures, from the Rocky Mountaineer to the Skyrail, offer a glimpse into our nation's railroad history and explore how railroads defined the spirit of North America.

Phyllis McGuire, Pat Boone and Nick Clooney host a trip back to the 1950s with a mix of live performance and archival footage featuring classic moments from artists such as Perry Como, Debbie Reynolds and the McGuire Sisters.

Full-length performances from various artists of the 1950s and 1960s, including Johnny Maestro, The Duprees, Jay Black, Little Anthony & The Imperials, Ronnie Spector, Frankie Valli, Jerry Butler and more.

Discover how rivers connect, sustain, and inspire through tales of whitewater kayaking the Potomac, gold prospecting on the Susquehanna, creating fine art from Patuxent driftwood and more.

Phyllis McGuire, Pat Boone and Nick Clooney host a trip back to the 1950s with a mix of live performance and archival footage featuring classic moments from artists such as Perry Como, Debbie Reynolds and the McGuire Sisters.

Mr. Lee Fields, a stalwart of soul, performs at Jazz à La Villette Festival with three members of Antibalas.

Guitarist Joe Bonamassa plays a tribute concert in honor of Rory Gallagher in Rory's hometown of Cork, Ireland.

Legends of 1960s and 1970s soul music perform their biggest hits; acts include The Temptations, James Brown, Patti LaBelle, The Chi-Lites, The Spinners, Sam Moore and more.

Miranda Esmonde-White develops a practical six-point plan that focuses on gentle daily movement to keep the mind sharp and body active at any age.

Dwight Hawkins & the Piedmont Highballers, a bluegrass group Songs From the Road Band.

ACL inducts Kentucky band My Morning Jacket into the ACL Hall of Fame; with special guest director and journalist Cameron Crowe.

Scientists breed a new generation of wheat, perfectly suited for Maryland's humidity and harsh winters; revisiting Palmyra Dairy Farm; annual Governors Buy Local Cookout.

Sites along the bay include Calvert Cliffs, lighthouses, Baltimore and Annapolis, Md.

A unique perspective on the landscapes and rich history of Maryland from the air; narrator Cal Ripken Jr.

The life of Harriet Tubman, a conductor of the Underground Railroad who helped guide enslaved people to freedom; narrator Alfre Woodard.

The story of how Frederick Douglass, a man born into slavery, became one of the most prominent statesmen and influential voices for democracy in American history.

Some of America's best railway adventures, from the Rocky Mountaineer to the Skyrail, offer a glimpse into our nation's railroad history and explore how railroads defined the spirit of North America.

The reinvention of "Riverdance" immerses viewers into the energy and passion of Irish music and dance.

Josh Groban performs many of his beloved songs as well as new material at London's historic Union Chapel.

Behind the scenes with the cast and crew of "Grantchester" to explore how the series became a hit; featuring archival clips spanning 10 seasons and exclusive interviews.

Cora makes a discovery that could throw the inheritance issue into chaos. Under pressure from her aunt, Lady Rosamund Painswick, Mary keeps Matthew waiting for an answer to his proposal.

Items reflect 250 years of American art, artifacts, crafts and collectibles; finds include a flag quilt circa 1880, a Tiffany Studios turtleback glass shade circa 1915 and an 1884 Edison light bulb.

Dr. Daniel Amen explains the causes of memory loss, the seven foods and supplements that may enhance memory and how to supercharge memory with 11 simple daily practices.

Festive European culture includes the Bastille Day celebration in France, royal pageantry in London and running with the bulls in Pamplona, Spain.

Animal parents balance risk and reward to raise their young in grasslands; wild dogs must control their teen pups for survival; an expecting langur learns parenting skills by babysitting.

Warmup exercises using a large ball; using a small ball for finger flexibility.

A standing and barre workout strengthens the knees and prevents knee pain.

George has a lucky streak, so his friends ask him to wish for a snow day; Prunella makes the gymnastics team.

Members of the Mobile Unit get zapped into sandwiches by villain Shelly Catessan; the Mobile Unit faces a series of challenges that Orla knew would be coming.

Martin and Chris search for a creature with good hiding powers -- the stingray -- for a game of Creature Hide and Seek.

The Hunters head to a nearby mountain to learn about snow.

Lyla has to backtrack her hike at Moon Rock Cove to find her mom's missing phone; the Loops kids divide up kitchen cleaning chores between easy and hard, so everyone has an equal amount of work.

Elmo, Abby and Julia build a mini city while Grover helps Cookie Monster serve ice cream.

Cookie Monster uses his new Cookie Cart to bake for his friends; Grover tries magic to entertain his friends.

Captain Elmo's solo mission to Jupiter is interrupted when his friends join and mess up his plan; Grover tries to fix the spaceship boosters.

Director Grover has the perfect plan for his play; Tamir and Cookie Monster try to fix the suitcase.

Cookie Monster gets tired from pushing his cart, so Abby uses magic to make the cart move on its own; Grover tries to deliver boxes.

Duck Duck has a big feeling, but she doesn't know what it is; Clyde feels sad, so the pals give him time to feel better.

Rosie and Papa switch roles for the day, but it's trickier than they thought; Rosie tries to make a family tree for Valentine's Day.

The kids make their own instruments so they can participate in Señor Tapir's concert; when Elinor's dad falls asleep during a campout, the kids use flashlights to communicate to each other.

Alma and Rafia want to make an animal photo book, but the animals won't cooperate; Alma and Rafia volunteer to help Safina after she hurts her arm.

Rome's rise through its art, including its supersized monuments, colorful mosaics and marble Caesars.

A West Coast-East Coast adventure shows off the charms of California's Big Sur region; Key West, Fla.

Junior doctor Ruby Walker leaves behind the heartbreak and disillusionment of her life in the UK and looks for a new start at the Good Karma Hospital in South India.

America's first spy ring; in the early years of the Revolutionary War, a Long Island farmer is recruited to spy on the British army.

Macarons with raspberry buttercream; gougeres.

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

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.

Talks with journalist Jeff Salkin, which focuses on personalities from all arenas; answers to viewers' questions.

White House butler; pocket watches; Marlon Brando portrait; silver menorah; Civil War ephemera.

Performance footage of folk group Peter, Paul and Mary.

Performances by Eric Clapton, Paul McCartney, Ringo Starr and Jeff Lynne celebrate George Harrison.

Legends of 1960s and 1970s soul music perform their biggest hits; acts include The Temptations, James Brown, Patti LaBelle, The Chi-Lites, The Spinners, Sam Moore and more.

Peggy Cappy presents short exercise breaks that help strengthen and maintain the four pillars that support the body's structure -- strength, flexibility, balance and mobility.

How animal parents deal with freshwater's constant changes as they raise the next generation; a frog dad scales giant trees with his tadpoles on his back; an elephant mom must choose between safety and the quest for food and water.

Working the somatosensory system.

A workout improves the mobility of the spine.

Arthur, D.W. and Buster build sand castles at the beach; Buster goes out of his way to avoid germs.

Opie hosts the Odd Squad Superfan tour but finds out a villain has joined in disguise; Orli and Ozzie must solve 37 cases in order to get access to an exclusive club.

The Kratt Bros. discover there is an old wily orca who only eats large sharks; they find this hard to believe, so with the help of Aviva's dolphin decoder, modified to speak orca, the Wild Kratts go in search of the orca who likes sharks.

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

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.

Ronald, a meticulous, rule-following pig, and Roxy, a free-spirited musical hedgehog, explore the "wows" of one of America's most extraordinary places -- Sequoia National Park.

Daniel and his friends dance, sing and tell jokes that show their love and care for each other; Daniel hides hearts around the house to show his love for Grandpere.

Phoebe and Jay accidentally get paint on the mail and have to decode addresses; Phoebe and Jay find their parents' box of memories.

Elmo, Abby and Julia build a mini city while Grover helps Cookie Monster serve ice cream.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

The pals want to hear the Yodel Birds sing, but they must build them a rest nest first; Donkey and Duck Duck want to cool everyone off with lemonade.

Rosie accidentally gives away her doll Lele on Donating Day; Rosie and Galita volunteer for Seniors Day at the Nature Center.

While helping Ms. Beaver construct a community garden the kids learn about rocks; Elinor tries to make her special dumplings all by herself.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

Exploring ancient Roman cities from England to Turkey, including their art, aqueducts, theaters and churches.

California's Mojave Desert is filled with massive blooms of wildflowers in the spring.

A mysterious and attractive man is found washed up on the shore. The crew must rush to help a local snake catcher. Gabriel's conduct is questioned by Ruby. She visits a school and is asked out by a teacher.

To prevent Anna being blamed for the murder of a Royal Officer, Abe must find the culprit; Ben and Caleb interrogate Simcoe.

Exploring what a legume is; black chickpeas, mung beans and masoor lentils; making a basic yellow moong dal on the stovetop along with cumin rice and papad -- a lentil and rice wafer.

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

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.

Deere Family Farm; an Air Force veteran and his family raise Texas Longhorns at Downey Family Farm; how hops are harvested and brewed; row crops.

Exploring the history and ecosystems of Assateague Island, a dynamic coastal environment shaped by natural forces of change.

The creation and cultural impact of the "Wishbone" children's public television series that brought classic literature to life, featuring cast, creators and behind-the-scenes stories.

Simon & Garfunkel perform for 500,000 fans in New York's Central Park on Sept. 19, 1981. Songs include "Mrs. Robinson," "Homeward Bound," "Bridge Over Troubled Water" and "Sounds of Silence.".

John Williams conducts the Berliner Philharmoniker for the very first time; music includes "Olympic Fanfare and Theme.".