In the first of 24 heats, Clive Myrie puts four contenders to the test on their specialist subjects, which include Dad's Army, Liverpool FC under Jurgen Klopp, and Shania Twain.

Clive Myrie hosts the classic quiz where contenders take to the famous black chair. The specialist subjects are orchids of the British Isles, Schitt's Creek, Tom Lehrer and Operation Mincemeat.

Clive Myrie hosts the classic quiz where contenders take to the famous black chair. The specialist subjects include the novels of Zadie Smith and the history of Shetland hand-knitting.

Clive Myrie hosts the classic quiz where contenders take on the famous black chair. Specialist subjects include the films of Martin Scorsese and Mary Tudor.

Four more contenders brave the famous black chair in another heat of the classic quiz. Specialist subjects include Horatio Nelson, Michael Kiwanuka and the films of Sofia Coppola.

The search for the nation's Mastermind continues as Clive Myrie tests four more contenders on their specialist subjects and general knowledge. The specialist subjects are The Ghost Stories of M R James, Ronnie O'Sullivan, Thunderbirds and renowned painter and portraitist Hans Holbein the Younger.

Clive Myrie hosts another heat of the classic quiz where contenders take the black chair. The specialist subjects include the Star Wars sequel trilogy, the band Elbow and Edward VI.

Clive Myrie asks the questions as four more contenders brave the black chair. Subjects include Alan Partridge, Madhuri Dixit and English wine in the 21st century.

Clive Myrie hosts the classic quiz where contenders take on the famous black chair. Specialist subjects include the Roman emperor Claudius, the Watergate Scandal and futurism.

Clive Myrie tests four more contenders on their specialist subjects and general knowledge in another heat of the classic quiz. The specialist subjects are the poetry of John Keats, the award-winning musician PJ Harvey, the Holy Roman Emperor Henry IV and the films of David Fincher.

Clive Myrie asks the questions in another heat, where the contenders answer questions on subjects including Sergei Rachmaninoff, Aaron Sorkin's The West Wing, and Red Rum.

Clive Myrie hosts the classic quiz where contenders take to the black chair. The specialist subjects include New Order, the James Bond books of Ian Fleming and Amy Johnson.

Four more contenders take to the black chair under the spotlight and the ticking clock to answer questions on their specialist subjects and general knowledge. Clive Myrie asks the questions, which are on The Two Ronnies, Richard Feynman, the Toronto Blue Jays and badgers.

Clive Myrie hosts as four more contenders answer questions on specialist subjects, which this time are Winston Churchill's wartime premiership, Mariah Carey, seals and Wassily Kandinsky.

Clive Myrie hosts the classic quiz where contenders take on the famous black chair. Specialist subjects include the solo career of Robbie Williams, and the fauna of Madagascar.

Clive Myrie hosts the classic quiz where contenders take to the black chair. The specialist subjects include Sir Mark Cavendish, The Day Today and Sylvia Townsend Warner.

Clive Myrie presents another heat of the classic quiz with four contenders answering questions on A Song of Ice and Fire by George RR Martin, whales and Emily Brontë.

Clive Myrie hosts the classic quiz where contenders take on the famous black chair. Subjects include the life of Harold Pinter and the Savoy operas of Gilbert and Sullivan.

Clive Myrie hosts another heat of the classic quiz as four more contenders take on the black chair. The specialist subjects include Emmeline Pankhurst and David Tennant's years on Doctor Who.

Clive Myrie hosts as four more contenders answer questions on their specialist subjects, including George Washington, Taylor Swift and the BBC radio series I'm Sorry I Haven't a Clue.

Clive Myrie hosts the classic quiz where contenders take on the famous black chair. The specialist subjects include the Isles of Scilly, Wham! and Gian Lorenzo Bernini.

Clive Myrie hosts the classic quiz where contenders take on the famous black chair. The specialist subjects include the poetry of Seamus Heaney, Mad Men and the 1944 Battle of Arnhem.

Clive Myrie hosts as four more contenders answer questions on their specialist subjects, including Henry II, Wales rugby union Test matches from 2000 to the present, and Friday Night Dinner.

Clive Myrie hosts, and contenders answer questions on Audrey Hepburn, Star Trek: Deep Space Nine, the DCI Ryan novels by LJ Ross, and John Barry.

Clive Myrie asks the questions in the first semi-final. The specialist subjects include The Clash, the films of Marilyn Monroe and Pieter Bruegel the Elder.