Richard Osman presents a Child Genius festive special, a gift for all to enjoy as four of the most formidably talented competitors in Child Genius history take on four of the country’s finest celebrity minds in a bid to prove who has the brightest brains this Christmas.

Battling it out in demanding tests of spelling, maths and general knowledge. Only one team can be crowned champions - who is going to end up on top of the Child Genius Christmas tree this year?