Tonight Mastermind's tenth season opens and, between now and Christmas, 48 contestants will pit their wits against each other in the quest to win television's premier quiz battle.
Heat 2 in the search for Mastermind 81 from the Royal Air Force College, Cranwell Captain Patrick Lawrence (retired soldier): The Indian Mutiny (1857) Tim Parry (trainee hospital administrator): British political history since 1905 Madeline Simpson (local government officer): The novels of Margaret Drabble Nicholas Woodward (district inspector of taxes): Life and career of Admiral Sir Sidney Smith (1764-1840)
Four more contenders for the Mastermind 81 title meet in this third heat of the competition at the University College of North Wales in Bangor.
The University College of North Wales at Bangor is host to the contenders in the fourth heat.
The fifth heat of Mastermind 1981 comes from the Great Hall at the University of Bradford and features contestants from the Midlands.
Four contestants from the North of England take up the challenge in the sixth heat of Mastermind 1981 at the University of Bradford. Hutton Barton (probation officer): Battle-cruisers and battleships 1906-1966
Four contestants from the South East of England meet at Middlesex Polytechnic in this seventh heat of Mastermind 1981. James Bitton (retired civil servant): The Second Boer War
The search for Mastermind 1981 reaches the half-way point - as contestants from the South and East meet at Middlesex Polytechnic.
Four contestants from the South of England are assembled on the Quarter Deck at the Britannia Royal Naval College, Dartmouth. Katherine Davies (department store buyer-manager): Life of Queen Mary, Consort of George V
The Britannia Royal Naval College at Dartmouth is host for this tenth heat of Mastermind 1981. On the Quarter Deck are contestants from the West of England.
Scots and Irish contenders for the Mastermind 1981 title meet tonight at Scotland's oldest university, in the Younger Graduation Hall of the University of St Andrews.
The first-round heats of Mastermind 1981 are completed tonight at the University of St Andrews as contestants from Scotland and Northern Ireland challenge for the last place in the semi-finals. Derrick McClure (university lecturer): Pre-conquest history of Mexico Rosemary Meechan (teacher): Life of Robert the Bruce James Murray (teacher): Life and career of General de Gaulle David Stevenson (employee relations manager): Battle of the Somme
Winners from the first round return to face each other in the debating chamber of the Oxford Union Society in this, the first of the semi-finals.
Another finalist in Mastermind 1981 is chosen tonight as four more winners from the first round pit their wits against each other in the Debating Chamber of the Oxford Union Society.
The third semi-final from St Aidan's College, Durham University
St Aidan's College, Durham University is the setting for this special Semi-final when five' runners-up ' compete for a place in the final.
from The Metropolitan Police Cadet School at Hendon.