It's the grand final of the Christmas competition, in which teams of notable former students compete on behalf of their alma maters. Only two alumni teams remain: who will take the series title? Jeremy Paxman asks the questions.

Two of the four highest-scoring winning teams from the heats return to play the second of this year's semi-finals. Jeremy Paxman asks the questions.

Two alumni teams return to contest the first semi-final of 2022's Christmas competition. Jeremy Paxman asks the questions.

The first round of this year's Christmas University Challenge concludes as graduates of the University of Bristol play former students of Cardiff, with the last place in the semi-finals at stake. Contestants include Sky News's Dominic Waghorn and England women's cricket captain Heather Knight. Jeremy Paxman asks the questions.

In the penultimate heat of the alumni tournament, teams representing UCL and the University of Aberdeen compete for a place in the semi-finals, captained by comedian Ria Lina and film director Jon S Baird. Jeremy Paxman asks the questions.

The heats continue as four alumni of the University of Hull, captained by actor Sian Reese-Williams, face four graduates of the University of the West of England, led by science reporter Victoria Gill. Jeremy Paxman asks the questions.

Exeter College, Oxford and Queen Mary University, London are represented by distinguished alumni in the fourth heat. Newsreader Reeta Chakrabarti and environmental writer Lucy Siegle are hoping to lead their respective teams to a place in the semi-finals. Jeremy Paxman asks the questions.

Alumni of Durham University face graduates of the University of York in the third match. Documentary maker Chris Terrill takes the captain's chair for Durham, while YouTuber Tom Scott heads the York team. Jeremy Paxman asks the questions.

Teams of alumni from University College, Oxford face off against the University of Glasgow. Broadcaster Paul Gambaccini captains the University College team, while author Christopher Brookmyre leads Glasgow. Jeremy Paxman asks the questions.

SOAS play Balliol College, Oxford, as University Challenge's annual Christmas competition for teams of distinguished alumni kicks off. Contestants include author and broadcaster Emma Dabiri and crime writer Martin Edwards, while Jeremy Paxman asks the questions.