Mind games

Alan Carr and Susie Dent search for the nation's undiscovered brainboxes

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Could the ordinary person sitting next to you on the bus have the gift of brilliant brainpower? It's estimated that thousands of people across the UK have a genius-level IQ but don't even know it. Now, C4's Secret Genius is determined to help them realise their true potential.

Presented by Alan Carr and Countdown's resident lexicographer Susie Dent, the six-part series – created in conjunction with high-IQ society Mensa – puts participants from all walks of life through their cerebral paces by setting them a series of tricky puzzles to solve.