Taking part are Kevin Ashman, Daphne Fowler and Guy Herbert.
With chairman Robert Robinson.
Robert Robinson chairs a contest between the winners of `Brain of Britain' in 1999, 2000 and 2001.
Russell Davies chairs a special edition of the nationwide general knowledge contest to find the Brain of Brains 2004, featuring the winners from the last three years.
Robert Robinson chairs a special contest between the three most recent Brain of Britain champions.
To herald a new series of 'Brain of Britain' starting next week, the three most recent 'Brain of Britain' champions compete for the prestigious title 'Brain of Brains'.
Russell Davies chairs this turbo-charged edition of the evergreen general knowledge quiz, at the BBC Radio Theatre in London.
The competitors are the 2008 champion Geoff Thomas from Northwich in Cheshire; the 2010 champion Dr Ian Bayley from Oxford; and the reigning 'Brain of Britain', Dr Iwan Thomas from Beeston in Notts.
It's anyone's guess which of these seasoned quiz champions will emerge victorious.
Producer: Paul Bajoria.
Brain of Britain champions compete in the ultimate general knowledge contest.