Sky Documentaries Sunday

Documentary exploring the scandal surrounding athletics doctor Richard Strauss, whose two-decade tenure at Ohio State University saw the sexual abuse of hundreds of students

A look at Observer journalist Chloe Hadjimatheou's investigation into allegations of factual inaccuracies in Raynor Winn's book The Salt Path

The life and work of Italian film-maker Sergio Leone, whose influential movies include A Fistful of Dollars, The Good, the Bad and the Ugly and Once Upon a Time in America

A look at international politics during the 1990s, including the Gulf War, the dismantling of the Soviet Union and the 1992 Clinton-Bush US presidential election