Subjects include the films of Mel Brooks, Homer's Odyssey and LL Cool J.

Semi-final subjects include Blackadder and The Legend of Zelda video games.

The specialist subjects include The Clash and the films of Marilyn Monroe.

Specialist subjects include Audrey Hepburn and Star Trek: Deep Space Nine.

Subjects include Henry II and the sitcom Friday Night Dinner.

The subjects include the poetry of Seamus Heaney, Mad Men and the 1944 Battle of Arnhem.

Subjects include the Isles of Scilly, the films of Derek Jarman and Wham!

Subjects include George Washington, Taylor Swift and the naming of chemical elements.

Subjects include the Masters snooker tournament and David Tennant's years on Doctor Who.

Subjects include the music of Rufus Wainwright and Gilbert and Sullivan's operas.

Subjects include A Song of Ice and Fire by George RR Martin, whales and Emily Brontë.

Subjects include Sir Mark Cavendish, the music of The Darkness and The Day Today.

Subjects include the Chronicles of Narnia by CS Lewis and the Matrix films.

Subjects include Winston Churchill's wartime premiership, Mariah Carey and seals.

The specialist subjects include The Two Ronnies, Richard Feynman and badgers.

The specialist subjects include New Order and the James Bond books of Ian Fleming.

Subjects include Sergei Rachmaninoff, Aaron Sorkin’s The West Wing and Red Rum.

Subjects include the poetry of John Keats, PJ Harvey and the films of David Fincher.

Subjects include the Roman emperor, Claudius, the Watergate Scandal and futurism.

Subjects include the Culture novels of Iain M Banks, Alan Partridge and Madhuri Dixit.

Subjects include the Star Wars sequel trilogy, the band Elbow and Edward VI.

Specialist subjects include Ronnie O'Sullivan, Thunderbirds and Hans Holbein the Younger.

Subjects include Horatio Nelson, Michael Kiwanuka and the films of Sofia Coppola.

Subjects include the films of Martin Scorsese and Mary Tudor.

Subjects include the history of Shetland hand-knitting and the sitcom Spaced.