Oxford University's historic Sheldonian Theatre is the setting as contestants from four nations - Australia, Ireland, New Zealand and the United Kingdom - pit their wits against each other in the quest to become the 1983 'Mastermind International'.

Magnus Magnusson is host and Cliff Morgan presents the Caithness Glass trophy to the winner of a programme that will be seen by viewers in all four countries.

John Egan (Ireland): Life and Music of Bob Dylan

Christopher Hughes (United Kingdom): British Steam Locomotives 1900-68

Don Linforth (Australia): Outbreak of World War I

Simon Smith (New Zealand): Life of Napoleon III