Sir David Attenborough goes back in time to the roots of the tree of life, in search of the very first animals

In fifty years of broadcasting, Sir David Attenborough has travelled the globe to document the living world in all its wonder. Now, in the landmark series, David Attenborough\'s First Life, he completes his journey by going back in time to the roots of the tree of life, in search of the very first animals.

In September 1991 two hikers made a sensational discovery - a frozen body high in the mountains, near the border between Austria and Italy.

What really went on at the ancient Greek oracle at Delphi, how did it get its awesome reputation and why is it still influential today?

Surrounded by the remnants of the demolished Gaza Strip and increasingly isolated by the blockade that prevents anyone from rebuilding their homes and their lives, Children of Gaza is a shocking, touching and uniquely intimate reflection on extraordinary courage in the face of great adversity.

Rageh Omaar investigates how immigration has affected Britain. Using Enoch Powell's explosive 'Rivers of Blood' speech as a starting point, Rageh explores whether the apocalyptic visions of 40 years ago have any basis in today's reality.

Aubrey Manning traces the turbulent history of the Ice Age in a journey spanning the globe. Sixth in the series

Aubrey Manning continues his global trek from the jungles of Indonesia to the plains of Africa, and discovers how chance events in history have shaped the evolution of life on Earth. Seventh in the series

Jeremy Paxman travels the world exploring many different aspects of the British Empire

Jeremy Paxman traces the story of the greatest empire the world has ever known: the British Empire. In the first programme, he asks how such a small country got such a big head, and how a tiny island in the North Atlantic came to rule over a quarter of the world's population.

Jeremy continues by looking at how settlers spread the British way of doing things.

He continues his personal account of Britain's Empire by tracing the growth of a peculiarly British type of hero - adventurer, gentleman, amateur, sportsman and decent chap

Jeremy Paxman continues his personal account of Britain's empire, looking at how the empire began as a pirates' treasure hunt, grew into an informal empire based on trade and developed into a global financial network.

In the final part of his personal account of Britain's empire, Jeremy Paxman tells the extraordinary story of how a desire for conquest became a mission to improve the rest of mankind

As the UK gears up to decide its future in the June referendum, Nick Robinson explores the troubled history of the UK's relationship with Europe.

The air around us is not just empty space; it is an integral part of the chemistry of life. Plants are made from carbon dioxide, nitrogen nourishes the soil and oxygen gives us the energy we need to keep our hearts pumping and our brains alive. But how did we come to understand what air is made of? How did we come to know that this invisible stuff around us contains anything at all?

Professor Jim Al-Khalili sets out to discover what the universe might actually look like.

The second part, Nothing, explores science at the very limits of human perception, where we now understand the deepest mysteries of the universe lie. Jim sets out to answer one very simple question - what is nothing?

Engineer Jem Stansfield is used to creating explosions, but in this programme he uncovers the story of how we have learnt to control them and harness their power for our own means.

Dallas Campbell delves in to the Horizon archive to discover how our ideas about dinosaurs have changed over the past 40 years.

Documentary celebrating the triumph, tragedy and human comedy that was Manchester record company, Factory. Started by the late Tony Wilson, Alan Erasmus, Peter Saville and Martin Hannett in the late 1970s, it became known as the home of Joy Divsion, New Order and Happy Mondays and for creating the Hacienda club.

Stories of extraordinary athletes who have pushed performance to the limit and beyond in pursuit of gold, over more than a 100 years of Olympic competition

Taking its title from the Olympic motto, this series explores the history of the modern Games through the stories of extraordinary athletes who have pushed performance to the limit and beyond in pursuit of gold.

Daring and danger, skill and beauty combine as this series telling the history of the Olympics continues with the story of gymnastics at the modern Games.

BBC2's history of the Olympics now tells the story of the blue riband event of any Games - the 1500 metres, or metric mile.

This series telling the history of the Olympics takes to the water to explore how swimmers have swum faster and faster to win gold.

In this film, Professor Marcus du Sautoy explores one of the most dramatic scientific announcements for a generation. In clear, simple language he tells the story of the science we thought we knew, how it is being challenged, and why it matters.

Documentary series about American folk music from the 1920s to the 1960s.

Three-part documentary series on American folk music, tracing its history from the recording boom of the 1920s to the folk revival of the 1960s.

In the 1960s a new generation, spearheaded by Joan Baez and Bob Dylan, took folk to the top of the charts and made it the voice of youthful protest.