Arts series with Alan Yentob. He tells the remarkable story behind Joshua Reynolds's portrait of Britain's first non-white celebrity, which the Tate is currently fighting to keep in the country. Plucked from obscurity in Tahiti, Omai was an overnight sensation with 18th-century London's high society, even meeting the King. Contributors include David Attenborough and Nicholas Serota
Imagine is an Arts programme and has been classified a 15 certificate.
