The hunt for the nation's Mastermind gets under way once more as John Humphrys questions four contenders on their specialist subject and general knowledge. Topics in this first heat are the life of Robert Bruce Lockhart, human parasites, the siege of Malta and the life and work of AC Swinburne.

Host John Humphrys invites four more contenders to answer questions in the black chair. The topics are: the Sandman graphic novels of Neil Gaiman, the life and work of Gerard Hoffnung, the Scottish Enlightenment and wines of the Loire Valley.

John Humphrys puts questions to four more contenders. Subjects are: Maximilian I, The Russian Revolution, Led Zeppelin and British speedway 1945-1970.

John Humphrys puts questions to four more contenders. Subjects are: The Richard Hannay novels of John Buchan; the Peak District; aircraft of World War II; Billboard no 1 singles, 1955-1994.

John Humphrys puts questions to four more contenders. Subjects are: Field Marshal Montgomery, the life and career of former world chess champion Tigran Petrosian, the Cathars and the Chicago Bears 1920-1970.

John Humphrys puts questions to four more contenders. Subjects are: The Life and Work of George Orwell, The Life of Sir Francis Walsingham, The West Wing and The Valley of the Kings.

Host John Humphrys invites four more contenders to answer questions in the black chair. Topics include the Cambridge Apostles, the life and work of Antonia Forest, the French Revolution and the life and work of Gustav Mahler.

John Humphrys puts the questions to four more contenders. Subjects are major battles of World War II, Football League grounds, Watergate and the fall of Richard Nixon and the satirical works of Juvenal.

John Humphrys puts the questions to four more contenders. Subjects are The Archers from 1980 to the present day; the Apollo space programme; the history of China from 1919-1989; and the life and music of Nick Drake.

John Humphrys puts the questions to four more contenders. Subjects are the history of New York, the Women's Institute, the life and work of Augustus Pugin and Wimbledon Singles since 1990.

John Humphrys puts the questions to four more contenders. Subjects are the life and work of Mori Ogai, the Anglo-Zulu War, the life of Mary Eleanor Bowes and the films of Clint Eastwood.

John Humphrys puts the questions to four more contenders. Subjects are Fleetwood Mac 1967 to 1977, the lost railways of Yorkshire, astronomy and the novels of John Updike.

John Humphrys puts the questions to four more contenders. Subjects are Bing Crosby, Eastenders, Joseph Banks and Britain's last hangman Albert Pierrepoint.

John Humphrys puts the questions to four more contenders. Subjects are the seven wonders of the ancient world, Enoch Powell, the TV comedy Whatever Happened to the Likely Lads, and the life and work of Mary Wollstonecraft.

Host John Humphrys invites four more contenders to answer questions in the black chair. The topics are: the Franco-Prussian war, primitive boats, the detective novels of Agatha Christie and the life and music of Kate Bush.

Host John Humphrys invites four more contenders to answer questions in the black chair. The topics are: the children's fiction of Rudyard Kipling, world passenger liners 1939-79, Motorhead, and the life and work of Federico Fellini.

John Humphrys puts the questions to four more contenders. The subjects are: the life and work of Thomas Jefferson Hogg, The Diggers, the life and short stories of Raymond Carver, and Luton Town FC 1965 to present.

John Humphrys asks the questions as the hunt continues for the nation's Mastermind. Subjects are: the human body, the life and work of James Brindley, the Soviet space programme, and the television career of Victoria Wood.

John Humphrys asks the questions as the hunt continues for the nation's Mastermind. Subjects are: the sitcom Porridge, Queen Victoria's family, the Golfing Stories of PG Wodehouse and the life and times of Eliza Lynch.

John Humphrys asks the questions as the hunt continues for the nation's Mastermind. Subjects are: the Coast to Coast Walk, pop music of the 1980s, the satirical works of William Hogarth and the life and works of Ralph Vaughan Williams.

John Humphrys puts the questions to four more contenders. The subjects are: the Life and Career of Peter Cook, French Impressionists 1863-1890, Haydn in England and the History of FC Barcelona.

John Humphrys puts the questions. The subjects are: the Life and Times of Harold Wilson, Eleanor of Aquitaine, the sitcom Seinfeld, and Ludvig van Beethoven.

John Humphrys puts the questions to four more contenders. The subjects are: Nirvana, the Thirty Years' War, the Roy Grace novels of Peter James and the history of Everton FC since 1992.

John Humphrys puts the questions to four more contenders. The subjects are: the life and works of William Yeates Hurlstone, the Olympics in London, the What Katy Did novels of Susan Coolidge and the life of Lord Byron.

In the first semi-final of the series, John Humphrys invites five contenders to answer questions for a place in the Grand Final. Subjects include the novels of Martin Amis; the Life of Lady Jane Grey; the Emperor Caligula; British birds of prey; and rock band The Who.