Five contenders compete for the last place in the grand final as John Humphrys hosts the sixth semi-final.
Subjects are Yes Minister, the Rebus novels of Ian Rankin, Nazi Germany 1933 - 1945, the novels of Haruki Murakami and the Glastonbury Festival.
Why not see how many questions you can answer from this week’s subjects?
The Yes Minister Files – For your eyes only - yes-minister.com
Ian Rankin Inspector Rebus novels - ianrankin.net
Inspector Rebus novels in chronological order - thebookbag.co.uk
BBC History – Persecution and Genocide under the Nazis
BBC Bitesize History – Impact of Nazi rule
Books – Haruki Murakami - murakamibooks.co.uk
BBC News - Haruki Murakami – How a Japanese writer conquered the world
BBC Glastonbury Festival
40 Years of Glastonbury - glastoearth.com