The remaining three celebrities face the extraordinary task of learning a foreign language in just one week. They must go from knowing nothing at all about their assigned language to carrying out a full conversational role play with host Sandi Toksvig under the quiz room spotlights. Then, the final two celebs face the ultimate memory shoot out - the tray test - when they have 60 seconds to memorise 25 objects, and just 60 seconds to recall them. The average person remembers just seven. How many must the winner recall in order for Sandi to crown them champion?