It's the grand final of the 2025 Christmas competition. Who will be crowned champion of this all-star series? Amol Rajan asks the questions.

Another two teams of notable alumni return to contest the second semi-final. Amol Rajan asks the questions.

It's the first semi-final of this special all-star seasonal series. Two of the highest-scoring winning teams from the heats return to play again. Amol Rajan asks the questions.

In the final heat, Series 13 champions Middlesex face a Lancaster team that reached the semi-finals of Series 3. Amol Rajan asks the questions.

Val McDermid captains a team from St Hilda's College, Oxford, and Cath Slessor leads a team of Edinburgh alumni. Amol Rajan asks the questions.

Teams from Exeter College, Oxford, led by Reeta Chakrabarti, and Trinity Hall, Cambridge, captained by Adam Mars-Jones, return to compete again. Amol Rajan asks the questions.

The first ever Christmas series champions, from Trinity College, Cambridge, return to take on the Bristol team from Series 8. Amol Rajan asks the questions.

Keble College, Oxford play Hull in another Christmas match. Anne-Marie Imafidon and Joanna Nadin lead the teams, and Amol Rajan asks the questions.

Alumni teams from UCL and Leeds reunite for a second chance at being crowned Christmas University Challenge champions. Amol Rajan asks the questions.

The festive series begins with a match between Christmas 2024's champions Durham and Series 10 runners-up Manchester. Amol Rajan asks the questions.