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.