Hosts and competitors tell the behind-the-scenes story of 60 years of Eurovision, the greatest and maddest song contest on earth.First broadcast in 2015

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.

First transmitted in 1961, Martin Luther King talks to John Freeman about his childhood experiences and the incidents that led to the Montgomery bus boycott. These events shaped King's life and led to him becoming a national figurehead and civil rights leader.

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.

The beats that broke new ground. How hip hop emerged from underground New York into a global force for change and empowerment - as told by icons Chuck D, Ice-T, Run DMC and more.

Public Enemy’s Chuck D leads a cast of hip-hop icons and leading African-American and Latino cultural commentators as they chart the factors that led to the birth of the revolutionary art form of hip-hop in 1970s New York, as well as the creation of the seminal hit The Message.

Chuck D and fellow rap stars chart the devastating impact of the crack epidemic, which becomes the spark that leads to the formation of acts like Public Enemy and NWA.

In the years after the Los Angeles riots of 1992, hip hop was accused of promoting violence and misogyny, all while reaching new commercial success and seeing the rise of a wave of confident female emcees

Chuck D, fellow hip hop stars and cultural commentators tell the story of how the rap industry hits extraordinary heights going into the new millennium, using its power and influence to effect change in ways that were unthinkable when the culture was first born - culminating in the global protests for George Floyd.

The story of football legend Jack Charlton, which looks at his special association with Ireland, his complicated relationship with brother Sir Bobby Charlton and his final battle with dementia.

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.

In the depression of the 1930s, John Lomax found convicted murderer Leadbelly in a southern jail. Leadbelly\'s music was never quite as pure and untouched by pop as Lomax believed, but it set a new agenda for folk music, redefining it as the voice of protest, the voice of the outsider and the oppressed.

How has the Beautiful Game played into fascist ideology? BBC Four explores how the 20th century's three most prominent fascist dictators, Mussolini, Hitler and Franco, seized upon football's massive popular appeal and ruthlessly exploited it as a vehicle for propaganda.

Football rivalry between France and Germany.

Documentary which tells the story of a dream of happy families on wheels that the Ford Motor Company brought from Detroit to Dagenham, then sold to Britain.

The Prussian king Frederick the Great was one of the greatest warriors and leaders in modern European history, achieving greatness through the Seven Years War and lauded as a philosopher and cultured 'Prince of the Enlightenment'. Yet the reputation of both Frederick and his Prussia was to be tarnished by association with Hitler's Nazi regime. Historian Christopher Clark re-examines the life and achievements of one of Germany's most colourful and controversial leaders.

The first programme begins 350 years ago when a small group of friends, colleagues and rivals defied everything that was known about the world at that time.

Historian Bettany Hughes travels to India, Greece and China on the trail of three giants of ancient philosophy - Buddha, Socrates and Confucius.