It is the grand final of this festive competition for alumni from some of the UK's top universities. Which university will be Christmas University Challenge champions?

Jeremy Paxman asks the questions.

It is the second of the semi-finals in the University Challenge quiz for grown-ups.

Jeremy Paxman asks the questions.

It is the first of the semi-finals in the University Challenge quiz for grown-ups.

Jeremy Paxman asks the questions.

A festive edition of the quiz, featuring distinguished university alumni. In the last first-round match, both teams battle for a place in the semi-finals. The University of Bristol team includes economist Will Hutton and Channel 4 presenter Kate Quilton. Playing them is the Nottingham University team, with weather presenter Nick Miller and Olympic canoeist David Florence. Jeremy Paxman asks the questions.

A festive edition of the quiz, featuring distinguished university alumni. In this penultimate first round match, both teams battle for a place in the semi-finals. Magdalene College, Cambridge, featuring radio and TV presenter Clemency Burton-Hill and Harry Potter film director Mike Newell, take on St Hilda's College, Oxford, with crime writer Val McDermid and historian Daisy Dunn. Jeremy Paxman asks the questions.

A team representing the University of Edinburgh, featuring actress Rachael Stirling and geneticist Steve Jones, take on a side from St Catharine's College, Cambridge, that includes Matthew Price, chief correspondent of Radio 4's Today programme, and novelist Joanne Harris.

Jeremy Paxman asks the questions.

A team representing Soas, featuring comedian Dom Joly and presenter Gus Casely-Hayford, take on a University of Leeds side that includes BBC economics editor Kamal Ahmed and Guardian cartoonist Steve Bell.

Jeremy Paxman asks the questions.

Journalist Samira Ahmed and Chair of Acas Sir Brendan Barber represent City, University of London, as they take on Newcastle University, whose team includes singer, songwriter and actor Wilko Johnson and TV presenter Charlie Webster.

Jeremy Paxman asks the questions.

A University of Kent team with presenter Paul Ross and journalist Shiulie Ghosh battles a University of Sussex side featuring news presenter Dermot Murnaghan and comedian Hattie Hayridge for a place in the semi-finals.

Jeremy Paxman asks the questions.

In the opening match of the series, a University of Manchester team featuring poet Simon Armitage and author Sarfraz Manzoor takes on a St Anne's College, Oxford side that includes Dame Mary Archer and broadcaster Janina Ramirez.

Jeremy Paxman asks the questions.