The first contestants face their first tasks: an 'Eye Scream' memory game and a quickfire round where they must spot the missing letters from the months of the year. Who'll make it to the finals?
Twelve new contestants face a 'wheely' challenging words game and a sweet-shop-inspired memory test. But with only three places up for grabs in the final, it won't be a sweet ending for everyone...
Twelve more contestants, including 'Sherlock' the pharmacist and a nanny who feels underestimated, tackle challenges involving cake slicing, code breaking and lexical perplexity.
In the last heat, twelve more contestants take on a dizzying anagram, a twist on Guess Who and a bamboozling clock conundrum. Only three can go through to the finals...
The twelve semi-finalists solve a complex maths game to escape from a maze. Then the top eight compete against each other in a mind-bending memory game, to earn a place in the final four...
The final four contestants tackle a mind-boggling game that would make Einstein go cross-eyed, before the last two go head-to-head. Who'll be crowned the UK's first Secret Genius?
