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A woman born in Vietnam searches for her American father; a man hopes to find the Texas cowboy who saved him when he was a child.

A man searches for the stranger who comforted him on Sept. 11; a man hopes to thank a fellow chaplain who helped him carry on.

Marine botanist Sylvia Earle and Fred Rogers snorkel off the Florida Keys.

Muffy challenges Francine to be nice for one week; Arthur joins a gang.

The Wild Kratts set off to find and re-create spider silk.

Benny's toy penguin is swept away by melting snow, transforming a day of sledding into an urgent rescue mission.

Lyla figures out how to do a magic trick with clues from Miss Emmaline; Luke finds a puppy.

Arugula and Carl go on an adventure as archaeologists; Carl spots a UFO on Mother's Day.

Things don't go as planned when Daniel and Dad Tiger spend the day together; Daniel and Mom's day together includes turning her old wagon into a trolley.

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

A farm in South America that grows cut garden roses; easy arrangements with roses; a cocktail with rose water; behind the scenes at an iconic parade.

Exploring color theory while creating a quilted pillow; foundation-piecing; feed-dog quilting using a guide bar.

Creamy couscous risotto with asparagus; yogurt panna cotta with sumac syrup; lahmajoun, a yogurt flatbread topped with spiced meat and arugula.

The history, rules and meaning of the escaramuza, an all-female horse riding and skills competition honoring women who fought for Mexico's independence.

A family hotel and restaurant in Scala, a sleepy town on the Amalfi Coast, offers good, simple food from an organic garden.

A flavorful tandoori salmon; favorite kitchen gadgets under $15; a tasting of yogurt; broiled smashed zucchini with garlicky yogurt.

Eric Hanson treks the canyons and waters of Lake Powell, Utah, on foot and via packraft.

Installing vinyl siding on the main house and ADU; revealing the ADU's framed layout; reviewing basement HVAC; installing a three-panel slider to connect indoor and outdoor living.

Lawn mowing basics; how to vet and hire a trustworthy contractor to avoid costly mistakes; installing a concrete paver walkway.

Rebirth of the Santa Cruz River; a Canadian company raises Atlantic salmon; solar farming; the Gila River Indian community build solar panels over an irrigation canal.

A California rancher leads his last cattle drive before handing the reigns over to the next generation.

The new Nissan Sentra; the Lucid Air Touring, an all-electric sedan blending luxury and performance; a battery-powered camping trip; "Your Drive" car care.

Songs include "Love Boat," "Love Boat Theme," "How Deep Is the Ocean," "Drifting and Dreaming" and "Isle of Capri.".

Actor Michael Douglas and writer/director Lena Dunham explore their family roots.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

The stories of the people, places, issues and events in Springfield, Quincy, Decatur, Macomb and the rest of central Illinois.

Trekking along the coast of North Carolina and exploring a daunting swamp, soaring above the dunes on a Wright Brothers glider and tracking wild horses on the beach.

Long buried secrets catch up with Sherlock and Watson; someone has been playing a very long game; alone and defenceless, the Baker Street duo face their greatest ever challenge.

Artists and creators push the boundaries of their own art forms; comic Ziwe, Grammy Award-winner Arooj Aftab and André De Shields.

Blues rock musician Gary Clark Jr. performs highlights from "JPEG Raw"; Black Pumas present selections from "Chronicles of a Diamond.".

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

From Kenya to Mexico, people and wildlife find a harmonious balance in Earth's most vulnerable landscapes.

A look at the history of nuclear weapons and how they've affected mankind.

Cricket legend David Gower and TV presenter Nick Hancock tour Hampshire to find curios and collectibles to take to auction in Sidcup; Charlie Ross and Phil Serrell ably assist.

Touring the "Mister Rogers' Neighborhood" television studio and meeting the staff.

Arthur's not sure what to make of the new baby; D.W. considers running away to Button Island.

Martin and Chris find out that Zach Varmitech plans to capture a black jaguar.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

Lyla and Luke clean Stu without a bath; Lyla and Ale find a way to protect the callaloo plants from stink bugs.

Carl and his friends clean up the Fuzzytown Park; Carl accidentally breaks the birthday present Sheldon planned to give his mom.

Daniel visits the post office and learns how letters are sorted and mailed, then sends a letter to Dad; Daniel and Dad Tiger surprise Mom with banana bread.

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

Cycling through carousels, boiling water, and soap to understand convection; designing a candle convection carousel; U.S. Fire Management Officer Persephone Whelan.

Academically-based game show featuring 32 high school teams from the southern Illinois area.

The story of the American suffragist movement and the friendships, heartbreak and action that brought women together and tore them apart.

Social, political and economic trends of American agriculture.

Author Danielle Crittenden offers insight on how loss reshapes life and how to support those living through it.

Cotswold villages boast churches, manor homes and gastropubs; New Age capital of Glastonbury; prehistoric stone circles of Stonehenge and Avebury.

The stories and people that defined pivotal moments in U.S. history, from Vicksburg National Military Park in Mississippi to Pennsylvania's Gettysburg and Brandywine battlefields to York County.

Exploring adventure, artistry, and natural beauty in Ridgway, Penn.

A Lambert magician automaton circa 1900; Ray Bradbury archive; Fred Myrick scrimshaw tooth circa 1830.

The colorful world of Earth's essential pollinators -- bees, moths and butterflies.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Examining the unprecedented decision to postpone the Menuhin Competition for a year, only to hold it virtually in 2021, and how this decision and the pandemic has affected the participating violinists around the world.

The story behind David Attenborough's wildlife documentary series "Life on Earth," which changed his life forever.

Sister Veronica weighs her future with the Order; Dr. Turner makes a final stand against the council's news before the maternity home closes; the Mullucks campaign for the rights of all thalidomide victims.

Becca and Rosaline reel from shock and seek solace in different directions as revelations about the circumstances surrounding Mary's death come to light.

Edmond reveals to Villefort that Heloise stole the vial of poison from him, the same poison used to murder the Marquise; Villefort confronts Heloise, threatening to expose her.

American blues master Cedric Burnside; soul and blues artist Candice Ivory.

Grammy Award-winning songwriters Tom Paxton, Don Henry and Jon Vezner.

Becca and Rosaline reel from shock and seek solace in different directions as revelations about the circumstances surrounding Mary's death come to light.

Edmond reveals to Villefort that Heloise stole the vial of poison from him, the same poison used to murder the Marquise; Villefort confronts Heloise, threatening to expose her.

The story of the American suffragist movement and the friendships, heartbreak and action that brought women together and tore them apart.

Author Danielle Crittenden offers insight on how loss reshapes life and how to support those living through it.

Social, political and economic trends of American agriculture.

Simple exercises to relieve a stiff, tense neck.

Martin and Chris try to touch a hummingbird; the brothers utilize hummingbird powers to prevent Gourmand from cooking chocolate-covered hummingbird egg snacks.

As a hurricane approaches, the Hunter kids learn about preparation and safety, moving furniture inside and checking their emergency supplies.

Lyla and Stu help out when the neighborhood garbage truck malfunctions; Lyla and Louisa take a ride on the city bus and accidentally lose Stu.

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

Daniel and O play post office; Jodi uses things in nature to make a homemade boat.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

Rudy is afraid of getting a shot at the doctor's office, so Nina and Abby play pretend to show what the visit will be like so he can feel less scared.

The Treeborhood celebrates a parranda; the Wombats try to stay awake on New Year's Eve.

Panda is sad when an exciting holiday is over; Rockstar Penguin asks Donkey and Panda to make up a new dance.

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.

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.

Alma and Eddie open a mofongo food truck but run out of time to make the mofongo; Alma challenges André to scooter races to prove she is faster.

Molly must find her mom's plane keys so she can get home in time for Mother's Day; Trini spots a talking white bird.

Edmund Hillary explains to Xavier that even the most courageous adventurers ask for help when they need it; Yadina prepares for a special birthday performance with the help of Celia Cruz.

Prunella receives a Braille copy of a book; Arthur and D.W. watch immature television shows.

Odd Squad must figure out how to control the temperature of two dragon eggs after the power goes out in headquarters.

Oysters with herbs; herbal yogurt smoothie with honey; corn porridge with berries; slow-roasted beef sirloin with beans, nuts and thyme.

Burt and Nicholas set out to discover the origins of the word "resort," first used in England to describe holiday towns.

Neil Dudgeon and acting royalty Dame Diana Rigg travel around their native Yorkshire; Neil finds his feet in the world of antiques, while Dame Diana shows her expert that she's in charge right from the start.

After headstrong Eliza Scarlet inherits her father's detective agency, she is obliged to find a male business partner to operate in Victorian London.

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.

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.

A Cartier Art Deco Tutti Frutti clutch circa 1925; a Carl Kauba cowboy bronze circa 1900; a Sumerian cuneiform tablet.

Green Bay Packers salesman's sample championship rings; Barbie dolls and wardrobe circa 1960; a 1977 Keith Haring Bean Salad lithograph.

The town of Natchez, Miss., confronts the tension between preservation and truth as it wrestles with race, memory and identity.

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

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