After years of retirement from political life, the world's most admired statesman has allowed cameras into his private world. Mandela at 90 reveals a man of flesh and blood; irreverent, never cowed by authority and a formidable charmer who, perhaps surprisingly, looks back on his life behind bars with a degree of fondness. Unique behind-the-scenes footage offers a window into his world and his unexpected insights into his northern nemesis Robert Mugabe
