Fiona Bruce and the team continue their tour in search of treasures. This week they disembark at the Steam Museum in Swindon where objects attracting the expert eye include one of the rarest pieces of silver even seen on the show, a valuable painting once destined for a skip, and a small ring holds a big surprise for one owner. Fans of bizarre collections will also enjoy some choice pickings, including uneaten slices of royal wedding cakes dating back from Queen Victoria’s day, plus hundreds of rail tickets bought for stations all closed by Beeching in the 1960’s.

Ruby and Pearl Pratt face scandal when their estranged father returns to town. It’s bad news for the other Candleford residents too as the wily old rascal is working his scams – aided by Caroline, who is being pursued by a bailiff. Meanwhile, Laura ignores her father while out with Philip.

Join British journalist and physician Michael Mosley on his journey to uncover the truth about exercise. Mosley reveals the latest scientific discoveries about how our bodies respond to a workout and why individuals respond differently.

Of all the continents on Earth, none preserves a more spectacular story of its origins than Australia. NOVA’s miniseries takes viewers on a rollicking adventure from the birth of the Earth to the emergence of the world we know today. With high-energy host and geologist Richard Smith, meet titanic dinosaurs and giant kangaroos, sea monsters and prehistoric crustaceans, disappearing mountains and deadly asteroids. Epic in scope, intimate in nature, this is the untold story of the Land Down Under, the island continent that has it all.

In the rural heartland of Syria’s countryside, the bloody uprising against President Bashar Al Assad has taken a terrifying turn. In this highly charged documentary, award-winning filmmaker Olly Lambert lives on both sides of Syria’s sectarian frontline, witnessing the devastating effect of a religious feud that, regardless of the outcome of the war, is shaping Syria’s future. For generations, the many religions in Syria’s Orontes River Valley have lived together peacefully. But as the conflict spirals into a contagious and sectarian blood feud, friends and neighbors of different faiths are taking up arms against each other, as Syrian society begins to collapse. And as each side seeks more and more revenge, shells, mortars and air attacks only escalate the hatred and violence on both sides.

This episode begins with the first standup comediennes to appear on television — legends such as Phyllis Diller and Joan Rivers. It also looks at Lucille Ball’s breakthrough on “I Love Lucy” and the sitcom stars who followed, including Mary Tyler Moore, Betty White and Marla Gibbs. The episode covers television’s most enduring variety star, Carol Burnett, and features interviews with contemporary actresses including Tina Fey and Margaret Cho.

America in the 1960s and 70s was in turmoil. The civil rights struggle, the war in Vietnam and the sexual revolution defined a nation in conflict. But at 10 o’clock every Saturday night, in dorms and dens, in living rooms and bedrooms across the country, Americans watched “The Carol Burnett Show.” For 11 years, the wacky performer yelled like Tarzan and won — and sometimes broke — our hearts with her edgy, always sympathetic, characters. She could fall down a flight of stairs or hold her own in a duet with Julie Andrews. Yet, as with so many brilliant comedians, hers was a difficult childhood. A glimpse of something deeper and darker began to emerge in the dramatic career that followed her TV variety show.

Explore the human-rights implications of the country’s least winnable war – the war on drugs. Consider the statistics: More than 40 years since it began, it is the longest conflict in American history. It has resulted in more than 45 million arrests and made the United States the world’s largest jailer. It has fueled armed conflict overseas, devastated poor communities and disproportionately targeted people of color. And yet, drugs are cheaper, stronger and more plentiful than ever.

During a visit to the Cincinnati Zoo, ANTIQUES ROADSHOW discusses with the U.S. Fish & Wildlife Service how today’s endangered rhinos are affected by the antiques trade. Discoveries in “the city that sings” include a suit that belonged to chicken magnate Colonel Sanders; a bronze horse sculpture by Solon Borglum; and an 1846 wall map of the western United States, valued at $11,000-$12,000.

RICK STEVES' EUROPE TRAVEL SKILLS distills Rick Steves' 30 years of travel experience into an information-rich two-hour special. Rick dispenses practical advice on enjoying a fun, affordable and culturally broadening trip to Europe. Shot on his favorite 3,000-mile "Best of Europe" loop — Amsterdam, Germany's Rhineland, Venice, Siena, the Italian Riviera, the Swiss Alps, Paris and London — Rick shares the essential skills of smart travel. He covers planning an itinerary, hurdling the language barrier, driving rental cars and catching trains, avoiding scams, eating well, sleeping smart, staying safe and revealing everything viewers need to know to turn their travel dreams into reality.