BBC Four HD Thursday

Jonathan Foyle climbs the spires of New College, Oxford, which was built in 1379, and investigates how the Black Death led to an architectural innovation

NCIS: Los Angeles actor Chris O'Donnell visits Missouri, finding out about his ancestor's role in helping those affected by a devastating 1849 cholera epidemic

Allied forces prepare to invade Europe, devising an ingenious plan to outwit the enemy. Fact-based Second World War drama, starring Clifton Webb and Gloria Grahame

Actor Robert Redford talks with Melvyn Bragg about America, politics, ecology and movies. First broadcast in 24 April 1976

Fact-based political drama about investigative journalists Bob Woodward and Carl Bernstein, who brought the Watergate scandal to light. Starring Robert Redford and Dustin Hoffman

The Hollywood star talks to Barry Newman about his dislike of acting, his looks and his support for independent film-makers through his Sundance Institute. From February 1993

Profiles of handsome heroes and pin-ups of the silver screen, including Paul Newman, Robert Redford, Jane Russell and Marilyn Monroe. Narrated by Sylvia Syms

Documentary exploring how the Italian city is subject to constant environmental issues, which are becoming more commonplace due to the impact of climate change

NCIS: Los Angeles actor Chris O'Donnell visits Missouri, finding out about his ancestor's role in helping those affected by a devastating 1849 cholera epidemic