New TV
TV episodes broadcast for the first time on BBC channels
September 27, 2019
The subjects include Sir Kenny Dalglish and Christopher Nolan's films.
Episode 7/31, 2019/2020
September 20, 2019
Specialist subjects include the London Underground and the 1969 Woodstock festival.
Episode 6/31, 2019/2020
September 6, 2019
Subjects include the islands of Great Britain, The League of Gentlemen and Doctor Who.
Episode 5/31, 2019/2020
August 30, 2019
Subjects are national flags, Napoleon Bonaparte, The Chronicles of Narnia and Andre Agassi
Episode 4/31, 2019/2020
August 23, 2019
Subjects include the Thirty Years' War, Genesis and Firefly and Serenity.
Episode 3/31, 2019/2020
August 16, 2019
In the second heat, subjects include the Mughal Empire and The Twilight Zone.
Episode 2/31, 2019/2020
August 9, 2019
New Series
Subjects are the Lake District, Sue Townsend novels, Stephen King and Dorothy Hodgkin.
Episode 1/31, 2019/2020
June 14, 2019
Subjects include the films of The Marx Brothers and the national parks of the USA.
Episode 31/31, 2018/2019
June 7, 2019
The subjects include the life of Charles II, the Plant Hunters and Delta blues music.
Episode 30/31, 2018/2019
May 31, 2019
In a semi-final, the subjects include the human body, Leicester City FC and Frida Kahlo.
Episode 29/31, 2018/2019
May 24, 2019
Subjects include Queen Victoria, Ibsen's plays and test cricket between England and India.
Episode 28/31, 2018/2019
May 17, 2019
The subjects include the Ottoman Empire, Peter Wimsey novels and the Grand National.
Episode 27/31, 2018/2019
May 10, 2019
Subjects include the life of Aneurin Bevan and the fiction of John Steinbeck.
Episode 26/31, 2018/2019
April 26, 2019
Subjects include the Festival of Britain, 2 Tone Records and the life of Samuel Johnson.
Episode 25/31, 2018/2019
April 19, 2019
Subjects are Henry VIII, Britpop, Christopher Isherwood and the Royal Navy in World War I.
Episode 24/31, 2018/2019
April 5, 2019
The subjects include the films of Heath Ledger and Margaret Pole, Countess of Salisbury.
Episode 23/31, 2018/2019
March 29, 2019
Tonight’s subjects are 1970s pop, Neville Chamberlain, Sparta and CS Lewis.
Episode 22/31, 2018/2019
March 22, 2019
The subjects are the Goons, the Trojan War, Egon Schiele and the novels of Mary Wesley.
Episode 21/31, 2018/2019
March 15, 2019
The subjects are Prince, Thomas Telford and the novels of Charles Dickens.
Episode 20/31, 2018/2019
March 8, 2019
Subjects are Vivien Leigh, Cazalet Chronicles, 1990s hip-hop and the Flight of the Earls.
Episode 19/31, 2018/2019
February 22, 2019
The subjects include the children of Queen Victoria and the novels of Penelope Fitzgerald.
Episode 18/31, 2018/2019
February 15, 2019
Subjects include the Best Picture Oscar, Greek mythology and Joseph Bazalgette.
Episode 17/31, 2018/2019
February 8, 2019
The subjects include Wes Anderson's films, Richard III and Nancy Mitford's novels.
Episode 16/31, 2018/2019
February 1, 2019
Subjects are Arnold Schwarzenegger, David Hockney, Tony Benn and John Buchan.
Episode 15/31, 2018/2019
January 25, 2019
Subjects are the World Cup, the Battle of Stalingrad, Sarah Waters novels and John Knox.
Episode 14/31, 2018/2019