Documentary following the lives of the members of the world's largest wolf pack in Yellowstone National Park. Daughters plot behind their father's back, sister slays sister and steals her lover, and a family is torn apart.

A preview of Natural World: Jungle Gremlins of Java, showing some of the mysteries that make this primate so special.

With one and a half million American children now homeless, reporter Hilary Andersson meets the school pupils who go hungry in the richest country on Earth.

For one night only, Professor Brian Cox goes unplugged in a specially recorded programme from the lecture theatre of the Royal Institution of Great Britain. In his own inimitable style, Brian takes an audience of famous faces, scientists and members of the public on a journey through some of the most challenging concepts in physics.

In just seven years, Mark Zuckerberg has gone from his Harvard college dorm to running a business with 800 million users, and a possible value of $100 billion. His idea to 'make the world more open and connected' has sparked a revolution in communication, and now looks set to have a huge impact on business too.

Painted Life explores the life and work of Lucian Freud, undoubtedly one of Britain's greatest artists. Freud gave his full backing to the documentary shortly before his death. Uniquely, he was filmed painting his last work, a portrait of his assistant David Dawson.

In the teeth of the worst financial crisis in living memory, BBC business editor Robert Peston examines how the world got to this point and how the collossal imbalances in the global economy have left the UK in need of a radical economic overhaul.

Like many, Michael Mosley want to get fitter and healthier but can't face hours on the treadmill or trips to the gym. Help may be at hand.

In the second of two programmes Peston asks how Britain can compete in the new world economic order. After years of living beyond our means the country surely needs to wean itself off the consumer society, but doing so threatens our retail dependent economy.

David Hockney, widely considered to be Britain's best-loved living artist, has taken over the Royal Academy in London with his exhibition A Bigger Picture made up of recent works depicting the landscape of his native Yorkshire.

Phil Agland revisits the Baka Pygmy family he filmed 25 years ago in his BAFTA award winning documentary 'Baka: People of the Rainforest'. An extraordinary journey into the heart of the rainforest in Cameroon.

Dick Fontaine's film is built around the explosive energy of Sonny's 80th Birthday Concert, where legendary figures Roy Haynes, Jim Hall and Ornette Coleman join him to celebrate his journey so far, his music and its future for a new generation

Broadly considered a brand that inspires fervour and defines cool consumerism, Apple has become one of the biggest corporations in the world, fuelled by game-changing products that tap into modern desires.

In the late 1980s Public Enemy were the biggest rap group on the planet. Their mission: to raise the consciousness of a generation. With a rebellious attitude to match their militant image they sold millions of records preaching pro-black politics to fans of all races, all done through a groundbreaking wall of noise.

Documentary film which explores how Prince - showman, artist, enigma - revolutionised the perception of black music in the 1980s with worldwide hits such as 1999, Kiss, Raspberry Beret and Alphabet Street.

Japan's Tsunami: Caught on Camera captures the impact of the earthquake and tsunami that devastated Japan in March 2011, using amateur footage filmed by those caught up in the disaster.

A unique journey around the weird and wonderful planet that we call home.

Beneath the America we think we know lies a nation hidden from view - a nomadic nation, living on the roads, the rails and in the wild open spaces. In its deserts, forests, mountain ranges and on the plains, a huge population of modern nomads pursues its version of the American dream.

Horizon goes behind the scenes at CERN to follow one of the most epic and expensive scientific quests of all time: the search for the Higgs particle, believed to give mass to everything in our universe.

Documentary which tells the surprising story of three dedicated individuals who try to protect their Chicago communities from the violence they themselves once perpetrated. These 'interrupters' intervene in conflicts before the incidents explode into violence.

Documentary re-assessing the reputation of American president, Abraham Lincoln.

A programme exploring the work of crime writer James Ellroy, whose credits include LA Confidential, The Black Dahlia and My Dark Places, the latter a harrowing memoir of his own mother\'s murder.

The second of a two-part series for Imagine on the art of stand-up comedy. Alan Yentob talks to comedians in Britain and America, exploring the evolution of stand-up and how it transfers to other mediums.

Alan Yentob presents the first of a two-part series for Imagine on the art of stand-up comedy. He talks to comedians in Britain and America, exploring their backgrounds and influences and their passion for making people laugh.

Imagine: Being a Concert Pianist gets under the lid of this extreme form of musicianship. Celebrated pianists, including Yevgeny Kissin, Vladimir Ashkenazy and Chinese wunderkind Lang Lang, talk intimately about their lives, their work and their motivation. The film gives a frank and personal perspective on a profession for which the only real qualification is genius.

Babes in Hollywood follows a dozen aspiring child actors over three months as they try to win US television roles against staggering odds.

In a never-before-seen side of life in Pakistan, this film follows the stories of three transgender people, each of whom represent a different way of life in Pakistan.

Ten-year-old Michelito is the star of the child bullfighting circuit. He's killed over 240 bulls, but can baby-faced Michelito become the youngest professional matador in the world? And at what price does his fierce ambition come?

Award-winning director Nick Broomfield battles the snows of Alaska in mid-winter, to find the school friends, family and Republican colleagues that in previous days gave their heart, soul and belief to charismatic, charming, intoxicating ex-hockey mum Sarah Palin.

Filmed over two years by award-winning photographer Leo Maguire, Gypsy Blood examines the violent culture that some gypsy and traveller fathers hand on to their sons.