K51DB-D

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

How carpet mills contaminated Southern communities with PFAS, with a focus on accountability and health impacts.

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

A 19th century C. Jim Williams-owned Federal hunt board; Jesse Arms Botke oil circal 1940; a 1978 Tom Petty and The Heartbreakers-signed poster.

A 1977 Pelé-signed soccer ball; a 1933 RKO King Kong Bachrach photo; Winfred Rembert's Moonshiners painting circa 2001.

Pepe the circus flea tells Kate, Pal and Amigo his personal story; D.W. wants to be kissed.

The Mobile Unit comes in to help when the Odd Squad Mail Department becomes overrun with Pentagurps; Orla and Omar work with two back-up agents at Shmumber Farms.

The Wild Kratts help stranded penguins in the Arctic.

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

Lyla feels guilty when she causes a group project to break; Lyla's glider toy gets stuck in a big puddle.

Pepe the circus flea tells Kate, Pal and Amigo his personal story; D.W. wants to be kissed.

The Mobile Unit comes in to help when the Odd Squad Mail Department becomes overrun with Pentagurps; Orla and Omar work with two back-up agents at Shmumber Farms.

The Wild Kratts help stranded penguins in the Arctic.

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

Lyla feels guilty when she causes a group project to break; Lyla's glider toy gets stuck in a big puddle.

Nico is tired of being mistaken for her twin sister; Carl is upset when Nico breaks the Lint Dinosaur Monday rules and makes a Lint Monster instead.

Daniel makes snow footprints his own way; Katerina is upset when she can't read like O, but she learns to read in her own way.

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

Frankie the worm wants to play with her cousins, but they moved far away.

The Wombats are excited for "Show and Tell" but Super might be too busy to attend; Louisa decides the Treeborhood needs a way to announce fun events.

Donkey and Panda deliver Grampy's piano to him after it was sent to Donkey's windmill by mistake; Panda wants to win the Bongo-lympics.

Pastry chef Mary Bergin makes a vanilla chiffon cake with chocolate-laced walnut mousse.

Ari grows impatient waiting for ketchup; Elinor, Olive and Ari have to figure out how to expand their clubhouse to fit all the new members of The Explorer's Club.

Alma and her friends try to help Howard get over his fear of pigeons; Alma is invited to have dinner with André and his dad.

Molly finds a newt in her boot while exploring Wizard Island; Molly tries to return a rock to its rightful place.

Easy grill-roasted whole chicken; milk chocolate chips; necessary specialty devices for the kitchen; skillet-charred green beans with breadcrumb topping.

Hawaiian-style fried chicken; reviewing plastic wrap; a tasting of potato chips; Hawaiian macaroni salad.

Protests on the Isle of Dogs cause chaos for the Nonnatus team; an apparent immaculate conception concerns the midwives; Sister Julienne and Trixie plan to fight back the Board of Health's disapproval of the way Nonnatus House operates.

Appraisals from Churchill Downs racetrack include a 1966 MGM Grinch figure, a Georgian & Victorian mourning jewelry collection and a Larson Brothers symphonic harp mandolin.

Hope springs eternal among the staff when promotion time approaches at Grace Brothers.

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.

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.

Scientists conduct the largest animal communication study in history to see if innovative word buttons truly enable dogs to talk.

Professor Mark Horton takes a journey across Britain to prove real events and places inspired the chivalric myths of King Arthur and the court of Camelot.

The Grace Bros gang go all militant in the department store comedy. When the staff's coffee breaks are timed, they decide to take union action.

The cuisine of Lyon, France; Chamonix in France; riding the lift up to Aiguille du Midi and to the border of Italy; hiking the Tour du Mont Blanc -- the trail that circles the mountain.