Subjects are the films of Tom Hanks, Sir Edward Elgar, Bess of Hardwick and Björk.

Subjects are Line of Duty, the Pre-Raphaelite Brotherhood, the Rebecca Riots and gin.

Subjects include Lee Miller and the history of the Green Party of England and Wales.

Subjects are the Gurkhas, Fernando Torres, Pam Ayres and Alfred Hitchcock films.

Subjects are Eric Cantona, Black Mirror, Rocky Horror and the novels of John Steinbeck.

Subjects are All Blacks test matches, His Dark Materials, MGM musicals and John Clare.

Subjects include the John Rebus novels, Hamilton and Louis Theroux documentaries.

The specialist subjects are Nell Gwyn, Sylvia Plath, Still Game and the island of Sicily.

Subjects include Great Britain at the Winter Olympics and Goodness Gracious Me.

The subjects are British butterflies, the Cornetto Trilogy, Tutankhamun and Kate Bush.

Subjects include the Inspector Morse novels, King William IV and Richard Curtis films.

Subjects include the novels of Alan Hollinghurst, The Vicar of Dibley and Edouard Manet.

Subjects include Catherine de’ Medici, The Mighty Boosh and Uefa Champions League finals.

Tonight's subjects include Margaret Thatcher, the saxophone and venomous snakes.

Tonight's specialist subjects include the Giza necropolis, Martin Luther and Yes Minister.

Subjects include James Bond villains, Lord Byron and JRR Tolkien’s Middle-earth.

In the fourth heat, subjects include Canterbury, Margaret of Anjou and The Simpsons.

In the third heat, subjects include John Cleese and the Alnwick Garden.

Subjects include the listed buildings of Liverpool, Seattle Seahawks and Beyoncé.

In the first heat, subjects include Bruce Springsteen, Switzerland and Sir Roger Moore.

Tonight’s grand final subjects include the Vienna Secession, Cole Porter and Jimmy Carter.

Specialist subjects include William Pitt the Younger, The Bridge and the Grand National.

Specialist subjects include Christopher Eccleston, Metallica and Beatrix Potter.

The semi-final subjects tonight are R.E.M., Father Ted, David Niven and John Wesley.

Specialist subjects include the Bauhaus movement, Emil Zátopek and the Liberal Democrats.