Jimmy Carr presents a Stand Up to Cancer celebrity special of the game show with a unique twist. To win up to £25,000 for SU2C, Clare Balding, Joel Dommett, Roisin Conaty and Big Narstie must answer questions that have been written live as the show is being filmed.

Jimmy Carr hosts the £25k game show where paying attention pays off, as contestants are quizzed on things that have happened during the show. Who remembers the most?

Jimmy Carr hosts the £25k game show where paying attention pays off, as contestants are quizzed on things that have happened during the show. Who remembers the most?

Jimmy Carr hosts the £25k game show where paying attention pays off, as contestants are quizzed on things that have happened during the show. Who remembers the most?

Jimmy Carr hosts the £25k game show where paying attention pays off, as contestants are quizzed on things that have happened during the show. Who remembers the most?

Kerry Katona, Dermot O'Leary, Judi Love and David Walliams compete to win cash for charity.

Jimmy Carr hosts the £25k game show where paying attention pays off, as contestants are quizzed on things that have happened during the show. Who remembers the most?

Jimmy Carr quizzes John Barnes, Gabby Logan, Harry Redknapp and Sue Smith as they compete to win £25k for charity, in a football-themed celebrity special