Mastermind Season 21 Episode release dates & where to watch

1. Episode 1

Returning for the 21st series, Magnus Magnusson puts more general knowledge questions to this year's first four contenders whose specialist subjects are: the life of Tiberius; the life of Admiral Lord Jellicoe; Clarice Cliff and English art deco ceramics, 1928-36; and Doctor Who.

2. Episode 2

Magnus Magnusson in Bangor puts more questions to another four contenders whose specialist subjects are: the life of Otto von Bismarck; the history of the Rose 1500-1850; British feminists 1759-1886; the history of the Swiss Confederation 1291-1874.

3. Episode 3

Magnus Magnusson travels to the University of Strathclyde to put more general knowledge questions to another four contenders whose specialist subjects are: the Border Reivers, 1500-1625; the Russo-German War, 1941-5; Lady Murasaki and the Tale of Genji; and Sir Thomas More

4. Episode 4

Magnus Magnusson returns to the University of Strathclyde to quiz four more contenders

5. Episode 5

From Arundel Castle, West Sussex. Specialist subjects: Charles II; British athletics since 1945; Gerard Manley Hopkins; Dietrich Bonhoeffer.

6. Episode 6

From Arundel Castle in West Sussex. Magnus Magnusson questions four more contenders with specialist subjects: the Austro-Hungarian dual monarchy, 1867-1918; Lord Macaulay; Dervla Murphy ; railway signalling in Britain, 1830-1947.

7. Episode 7

From Rugby School. Tonight's specialist subjects are: Malcolm X; the canals of England and Wales; Joseph Conrad ; and the Great Northern Railway.

8. Episode 8

From Rugby School. Tonight's subjects are: fantasy and science fiction, 1960-90; railways in Yorkshire; the life and works of AJ Munnings ; the life and career of Stanley Baldwin.

9. Episode 9

From the University of Strathclyde where tonight's subjects are: the Grand National; Slavonic languages since 1700; Dante; and the City of Chester from Roman times. With Magnus Magnusson

10. Episode 10

From the University of Strathclyde, where the subjects are Golda Meir; Sir Edward Elgar ; the Waterloo Campaign 1815, and the Kings of Israel and Judah. With Magnus Magnusson.

11. Episode 11

From the Barons' Hall at Arundel Castle, where the subjects are Edward VII, Hector Berlioz, City of London churches and Wilfred Owen.

12. Episode 12

From the Barons' Hall, Arundel Castle, where the subjects are: Shelley; Test cricket - England v Australia 1920-38; the siege of Paris 1870-71; the Romanov dynasty 1613-1918.

13. Episode 13

The first semi-final from Huddersfield, where the subjects are: P D James, the Napoleonic Wars, the Cornish china clay industry from 1745; and the medieval castle in the British Isles, 1050-1500. With Magnus Magnusson.

14. Episode 14

Second semi-final from the University of Huddersfield, where the subjects are: Damon Runyan ; the fall of the Western Roman Empire, AD 375-476; the Manhattan Project; and Joseph Chamberlain. With Magnus Magnusson.

15. Episode 15

The third of the semi-finals comes from Bath, where the specialist subjects are: German armoured fighting vehicles, 1939-45; Californian gold rush; Brunei; and model railways in Great Britain, 1920-90. With Magnus Magnusson.

16. Episode 16

The fourth of the semi-finals comes from Bath, where the specialist subjects are: the Beatles; C S Lewis; the solar system; and Frederick Delius. With Magnus Magnusson.

17. The Final Finale

The four finalists are: Gavin Fuller - specialist subject, the Crusades(1095-1154); David Tombs - the modern Olympic Games; Glenys Davies - the life and reign of Napoleon III ; Barrie Douce - the French Indo-China War (1945-54). Magnus Magnusson puts the questions in the Commonwealth Institute in Kensington, London.