Only Connect: Season 21, Episode 16

21 - 16: Doctors Matthews v Sorcerers

Victoria Coren Mitchell hosts the quiz where knowledge only gets you so far – the vital extra ingredients are logic and lateral thinking.Another week with no knock-out – the winners progress, while the losers will have to play again to stay in the competition.One team correctly guesses the fourth in the sequence after just two clues: master and ultra.