In this 'Jubilee' year, the Mastermind series celebrates its centenary with the 100th programme coinciding with this year's Final.
Are you in the Mastermind class? To find out, match your scores against those of the experts.
The history of London is one of the specialist subjects of tonight's heat, which appropriately enough comes from the City University, in London. The contenders are:
Memory, recall, speed, concentration. These are just some of the qualities required of a contestant entering Mastermind.
There are two groups from Scotland competing for the Mastermind title. The first of these matches comes from Strathclyde University, in Glasgow. The contenders are:
There are 12 heats in the first round of Mastermind and tonight's match from Scotland brings us to the half-way stage.
Tonight Wales presents its group of aspirant masterminds, and for the occasion Cardiff University is the location.
Taunton, Oxford, Bristol and Jersey are the home towns of tonight's Mastermind competitors. They meet together at Cardiff University for the eighth heat. The contenders are:
Tonight Mastermind moves to the Midlands with Keele University providing the venue for competitors from Nuneaton, Nottingham, Bromsgrove and Norwich. The contenders are:
Competitors from Leicester, Birmingham, Nottingham and Burslem take up the Mastermind challenge at Keele University to win a place in the semi-final round. The contenders are:
The first round heats are almost at an end and for this penultimate heat Mastermind comes from
Bradford University is the location for this final match of the first round heats. With this result, 12 heat winners will be known.
First semi-final from the University of Surrey. Contenders: ARTHUR GREEN, civil servant - The Novels of Anthony Powell
Four more heat-winning competitors take up the challenge to gain a place in this year's Mastermind Final.
The third Semi-final from the University of Salford and tonight's contenders are:
The last competition in the Semi-final round, which gives a chance to the four best losers from the earlier heats to compete for the last place in the Final. Tonight, at the University of Salford, the contenders are:
This year's Final celebrates the programme's 100th anniversary, and to mark the occasion, comes from the Old Library of the Guild-hall in the City of London. The finalists are: