The University of Aberdeen is host as four more contenders from Scotland do friendly battle in the quest to find Mastermind's 1987 champion.
John Sutherland (retired civil servant) Admiral Thomas Cochrane , 10th Earl of Dundonald, 1775-1860
Eric Forrester (private investigator) The life and works of Robert Burns
Sheila Fleming (schoolteacher) The wild flowers of Scotland
George Combe (revenue assistant HM Customs and Excise) Battleships and battle cruisers, 1860-1980