Alongside the quizmaster, Olivia van der Werff acts as independent adjudicator and they are joined by an expert in the round's subject.
Celebrities who took part were Aisling Bea, Alan Carr, Rachel Riley and Krishnan Guru-Murthy.
The celebrities who took part were Janet Street-Porter, Dom Joly, Cathy Newman and Rob Delaney.
Celebrities who took part were Shazia Mirza, Rick Edwards, Charlotte Hawkins and Jimmy Carr.
[4] Jimmy Carr was once again Team Captain, alongside Richard Bacon, Vick Hope and Jo Brand.