The occasional series returns as Joey Essex faces his toughest challenge yet: to get a GCSE in general studies! Ten years ago, Joey left the world of education with just two exam passes. Now he is returning to school to prove to himself and the nation that he has the brain and the willpower to succeed. Helping him along the way is Countdown's Rachel Riley, but after badly failing his mocks, can he turn things around and achieve that all-important pass?