Cluesmiths v Mixologists

The Cluesmiths and Mixologists return for a last chance to earn a place in the quarter-finals. They compete to draw together the connections between things which, at first glance, seem utterly random. So join Victoria Coren Mitchell if you want to know what connects Matthew Bannister's show BBC World Service, an entry in a dictionary, your flexible friend and the venue for London 2012 boxing.