As the first great mass medium, cinema has provided politicians and other guardians of morality with their prime target for censorship in the 20th Century. In the West, debates over censorship in film have usually focused on sex and violence, but censorship for political and religious reasons is still a reality in many parts of the world, and film-makers still often risk imprisonment or death. Analyzing how film audiences have been treated like children and filmmakers as potential enemies of the state, Mark Kermode presents the savage and ongoing history of film and censorship.