The final six go head to head in a debating contest, hoping to make it through to the last quick-fire round and the chance to be crowned Child Genius of the Year 2013.

Some of the kids take part in a spelling bee. Has rebellious Hugo's lack of effort finally caught him out? And has human dictionary Ben met his match with Scrabble champion Shrinidhi?

It's the general knowledge and memory round of the child genius competition, and the pressure is mounting for the gifted kids and their parents.

First in a four-part series following the lives of some of the country's cleverest kids and their families as the children take part in a competition to find the UK's ultimate child genius.