David Attenborough narrates the lives of four growing tiger cubs using footage collected by hidden-camera-carrying elephants. Over two years, the elephants help capture the most intimate portrayal of tigers ever filmed. As they grow, the cubs move from their mother's milk onto meat. Fortunately, the tigress is a skilled hunter. Charger, their imposing father, keeps his distance but helps to protect his vulnerable offspring from rogue male tigers and leopards.

David Attenborough narrates the lives of four growing tiger cubs using footage collected by hidden-camera-carrying elephants. Over two years, the elephants help capture the most intimate portrayal of tigers ever filmed. As they grow, the cubs move from their mother's milk onto meat. Fortunately, the tigress is a skilled hunter. Charger, their imposing father, keeps his distance but helps to protect his vulnerable offspring from rogue male tigers and leopards.

BBC Focus magazine is a science technology magazine with a trained eye on the future. Includes scientific breakthroughs and gadgets that could shape the future of the human race, on earth or in space.

BBC Focus magazine is a science technology magazine with a trained eye on the future. Includes scientific breakthroughs and gadgets that could shape the future of the human race, on earth or in space.

Around the World in 80 Days with Michael Palin
Not until dawn on the day of departure did a full-blown, gut-tightening panic set in. I had volunteered to deliver these documentaries, (having only done one in my life before), against the clock, with absolutely no script at all, on a route that might change without warning. Nothing like it had been attempted before. Michael Palin

Episode 7 Live Update Kenya
Richard Hammond and Julia Bradbury are reaching the end of the epic three week global wildlife event. They are following a cast of wild animal characters, and present the latest updates on them as they try to survive the toughest month of the year. In Kenya, Richard updates on Moja the lion cub and the baby elephants. Over in Minnesota, North America, Julia has more news of the black bear cubs. Plus reports on the meerkats in South Africa and the monkeys in Sri Lanka.

Part 1: Entertainment
Historian Dr Lucy Worsley and antiques expert Mark Hill examine objects from the world of entertaining. Lucy discovers how the sofa, over centuries, has changed our behaviour and finds out what makes Chippendale furniture such a household name. Mark discovers the secret ingredient of English porcelain and visits a passionate collector with some very rare objects indeed.

As Facebook heads for its 100 billion dollar flotation, Emily Maitlis updates her recent documentary on the prospects for Mark Zuckerberg's social network phenomenon. She examines how Facebook, now with 900 million users, plans to earn the billions its new investors will expect from it. With exclusive access to Mark Zuckerberg and senior executives, Emily tells the Facebook story, and reports on its challenge - to build its advertising business from the personal information its users provide, without losing their trust.

Part 2: Travel
Dr Lucy Worsley discovers how taking a holiday became something everyone aspires to do, and she also meets a man with a life-size train set. Antiques expert Mark Hill learns how intricate figures are put onto a piece of Wedgwood, and he gets a sneak preview of the Titanic auction.

Part 3: Ceremony
Historian Dr Lucy Worsley and antiques expert Mark Hill examine objects that are associated with ceremonies. Lucy traces the history of the wedding dress, while Mark discovers how you put the sparkle into a diamond. They also get their hands on an Olympic medal from 1948 and look at memorabilia from a ceremonial event that Queen Victoria called the 'greatest day in our history'.

Documentary looking at the Secret History of the Mongols, said to have been written by Genghis Khan's adopted son, which reveals a very different man to the brutal butcher of Western legend. Not just a womaniser, but a devoted husband. Not just a warrior, but a politician. Not just a conqueror, but a legislator. A man who wanted the lessons he had learnt - good and bad - to be passed onto his successors. Within its pages lies the inside story of how an illiterate nomad inspired his successors to conquer the largest land empire the world has ever seen.

Part of BBC Four's Handmade in Britain series made in collaboration with the Victoria and Albert Museum, treasures are drawn from all corners of the UK in a celebration of the best of British decorative ironwork. Series looking at aspects of British metalworking over the centuries, including the art of the silversmith, the history of armour and the work of the blacksmith

A special tribute to Sir Jimmy Savile, the eccentric DJ who hosted the legendary Top of the Pops and Jim'll Fix It. The film includes classic footage of the man in action and interviews with close family and friends from the world of showbiz and his home city of Leeds, as well as representatives from the many charitable organisations for which he raised millions of pounds.

The global live wildlife event continues, as the teams present the latest news on all the animal stars. In Kenya, Richard has more news on the vulnerable lion cubs and the newborn elephant calf. In the woods in North America, Julia is with the bear cubs and has an update from California on the migrating gray whale mothers and calves. Also, there are reports on the monkeys and those charming meerkats.