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

Raphaelle escorts a repatriated serial killer on a plane, but he dies mid-flight; by phone, Astrid helps her obtain proof that she's dealing with a murder and that the culprit is on board.

Sherlock and John investigate for their client, who saw his father killed by a monstrous creature on Dartmoor 20 years earlier.

A whirlwind adventure and the return of arch-nemesis Moriarty lead John to believe that Sherlock is dead.

Tracing the trail of pilgrims, from the French border to Santiago de Compostela; running with the bulls in Pamplona; Celtic culture of Galicia.

Religious tradition in Jerusalem; Tel Aviv; Masada; pilgrims visit biblical sites around the Sea of Galilee; Yad Vashem Holocaust memorial.

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.

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.

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.

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

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.

Elinor and her dad learn how to make their own chocolate; after accidentally breaking a jade plant, the kids learn how the plant grows.

The CyberSquad and Bernice the Beetle take on Hacker in a Cyber Square game; Inez uses fractions to keep peace with León.

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

How agriculture shaped the nation's history and how it continues to evolve; retracing John Deere's beginnings in a small blacksmith shop in Illinois; a multigenerational farm family in Kansas.

Exploring the remote Faroe Islands, an archipelago of 18 volcanic islands in the North Atlantic, its fragile ecosystems, natural resources and resilient spirit.

Back-street fish markets; pizza; climbing Mount Vesuvius; the ruins of Pompeii.

Learning the art of making pizza at home at King Arthur Baking Company in Vermont; glazed crullers at Lou's Restaurant; rowing with Olympic gold medalist and Dartmouth College head coach Wyatt Allen.

Touring a new attic apartment ADU in Dorchester, Mass.; plumbing update.

Replacing vintage ceramic toothbrush and soap holders; repairing a water-damaged ceiling crack matching the original swirl texture.

The secrets of great strudel and schnitzel; making Austrian pork schnitzel; how to make homemade spatzle.

Macarons with raspberry buttercream; gougeres.

Alcapurrias; the story of Coco López and pina coladas; coquito cocktails.

Exploring the Haudenosaunee Nation's history in New York's Adirondacks; an adventure to the headwaters of the Hudson River.

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

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

Featuring Batido de Mamey.

Host Ann Bocock interviews best-selling authors.

When a former nun is found dead on Jesus Green, Will and Geordie visit her convent and begin to match the nuns to a series of unsolved missing persons cases from the last five years; Leonard's dad, Russell, arrives in Grantchester.

Mrs. Slocombe learns that Grace Brothers has initiated an early retirement plan.

Hyacinth awaits the delivery of a new suite of furniture, an exact replica of one in Sandringham House.

Lionel (Geoffrey Palmer) invites Jean (Judi Dench) to meet his 85-year-old father (Frank Middlemass) who announces he's getting married again.

The last Chinese dynasty, the Qing; First Opium War sparks the fall of the empire; the birth of modern-day China.

The family of Raymond Haerry Sr. travels from New Jersey to Oahu, Hawaii, to place his ashes at the USS Arizona Memorial at Pearl Harbor.

Jelly Roll performs highlights from "Whitsitt Chapel"; husband-and-wife duo The War and Treaty.