Subjects include Billy Joel, JMW Turner and BBC sitcom Miranda.

Subjects include Syd Barrett and the life and career of Magic Johnson.

The specialist subjects include Ted Lasso and the early life of Gandhi.

Subjects include F Scott Fitzgerald, otters and the BBC radio comedy The Navy Lark.

Subjects include Chelsea FC in the Premier League, Anglo-Saxon England and Harry Styles.

In the third heat, subjects include Roger Federer, Gavin & Stacey and Bronislava Nijinska.

Subjects include Karl Marx, The Royle Family and flags of British counties.

In the first of 24 heats, subjects include The Calvin and Hobbes Cartoons, and Drake.

Subjects include Princess Margaret, the Rocky films and Augustus Caesar.

The specialist subjects include Coldplay and Sir Edwin Lutyens.

Specialist subjects include the record label 4AD and the Jason Bourne films.

Specialist subjects include Frank Zappa and pioneering British and Irish female aviators.

Specialist Subjects include Parks and Recreation, and Queen Anne.

Subjects include the Norman Conquest and the film musicals of Alan Menken.

Specialist subjects include the life and death of stars, Peep Show and The Great Escape.

The specialist subjects include Christiaan Huygens, Jonathan Creek and European mammals.

Subjects include Stevie Nicks and Universal’s Frankenstein films of the 1930s and 40s.

Subjects include the plays of Tennessee Williams and American First Ladies.

Subjects are U2, toy dog breeds, the Mitford sisters and guest stars in Friends.

Subjects include the Great Fire of London and The Lord of the Rings by JRR Tolkien.

Subjects include the films of Nicole Kidman and the children's books of Roald Dahl.

The subjects are Catherine the Great, Wallace and Gromit, Egon Schiele and hyenas.

Subjects include Marcus Trescothick, Thomas Cromwell and the films of Wes Anderson.

Subjects include Stephen Hawking and the music of Radiohead.

Subjects include the British Industrial Revolution and the films of Christopher Guest.