Series 15, Episode 4. Jimmy Carr hosts, with Jon Richardson, Roisin Conaty, Nabil Abdulrashid, Joe Wilkinson, David O'Doherty, Susie Dent, and Rachel Riley. 4/14. Combining two of viewers' favourite shows means that viewers get to play along, a bonus for both quiz and comedy fans alike. Jimmy Carr hosts the famous words and numbers quiz, plus etymologist Susie Dent on the letters, and maths whizz Rachel Riley on the numbers.