Child Genius

Richard Osman pits four Child Geniuses against Alan Carr, Rachel Riley, Krishnan Guru-Murthy and Aisling Bea in a series of mental challenges for Stand Up To Cancer.

Richard Osman presents a Child Genius festive special as four of the show's most formidable past competitors take on four of the country's finest celebrity minds, in a test to see who has the brightest brains this Christmas. The celebrity team captain is comedian and actor Rob Delaney. Rob's joined by Channel 4 News presenter Cathy Newman, comedian Dom Joly, and journalist and broadcaster Janet Street-Porter. The Child Genius team features Rhea, the show's youngest ever winner; Mog, from Warwickshire, who has amazed in the past with his outstanding memory; mathematical whizz-kid Christopher; and nine-year-old Fabio, who has a passion for science. The tests includes spelling, maths and general knowledge. Only one team can be crowned Christmas champions - can the celebrities take on the Child Geniuses and win?

Quizmaster extraordinaire Richard Osman presents a festive treat as he presides over this special Christmas edition of Child Genius. Four celebrities go up against four of the most formidably talented competitors in Child Genius history, as the teams bid to prove who is the brightest. Stretching their intellects and powers of concentration to the max, can Comedian Jimmy Carr, TV presenter and author Rick Edwards, newsreader Charlotte Hawkins, and comedian Shazia Mirza take on the Child Geniuses and actually win? The Child Genius team is 14-year-old multi-linguist Mog; 14-year-old maths prodigy David, who thrashed Countdown's maths queen Rachel Riley in a maths-off when he was just 12; maths whizz Aliyah, who is just 12 years old and thinks celebrities' brains 'are a bit slow'; and team captain and last year's Child Genius winner, 13-year-old Rahul - who has an IQ higher than Einstein's.

Jimmy Carr, Jo Brand, Richard Bacon and radio host Vick Hope take on four of the most formidable competitors in the history of Child Genius to see who's brightest.