A special edition of the quiz, hosted by Victoria Coren Mitchell, where knowledge only gets you so far – logic and lateral thinking are the vital extra ingredients.

Previous contestants return – professional politicians, including a real, live Conservative MP (correct at time of recording), face a team of activists.

What connects Michael Foot and Ed Balls? Apart from the obvious. One team gets it straight away.

Another special edition of the quiz, hosted by Victoria Coren Mitchell, where knowledge only gets you so far – logic and lateral thinking are the vital extra ingredients.

There's been a mix-up, but never mind: two ‘sporting' teams from previous series have returned to fight it out.

Impressively, it only takes two clues for them to work out what connects ‘boxers' and ‘mayors of High Wycombe'.

Another special edition of the quiz hosted by Victoria Coren Mitchell, where knowledge only gets you so far – logic and lateral thinking are the vital extra ingredients.

Two fashionable teams from yesteryear return to strut their stuff. One team hasn't quizzed together since 2017, but they've still got it: their first answer is a five-pointer, and ‘bravest underwear' was the only clue they needed.

A special festive edition of the quiz hosted by Victoria Coren Mitchell, where knowledge only gets you so far – logic and lateral thinking are the vital extra ingredients.

Two family teams return for a yuletide battle of wits. One of the teams works out the connection after seeing just two clues: ‘What' and ‘Bong Joon'. But what is that connection?