Secret Genius

The first 12 contestants face a quickfire round where they must spot the missing letters from the months of the year and a memory game where pairs must memorise the positions of ice cream tubs, toppings and cones.

Twelve new contestants face a 'wheely' challenging words game and a sweets memory test. But with only three places up for grabs in the final, it won't be a sweet ending for some...

The next 12 contestants including “Sherlock” the pharmacist, a nanny who feels underestimated, and student Rosie face a fresh set of challenges based on the games Mensa use to measure IQ. The tasks include code breaking, lexical perplexity, and a particularly complex cipher involving a landline phone — something the youngest contestant, Rosie, struggles with for reasons beyond the difficulty of the puzzle itself. By the end of the episode, only three contestants will earn a coveted place in the Oxford finals.