Quiz show presented by Victoria Coren in which knowledge will only take you so far, as patience and lateral thinking are also vital.

In the second of the quarter-finals, three postgraduate students from Brasenose College, Oxford, pit their wits against a trio of Douglas Adams fans who call themselves the Hitchhikers, in honour of the Hitchhiker's Guide to the Galaxy.

They compete to draw together the connections between elements which, at first glance, seem utterly random: P J Tracy, Nicci French, Ellery Queen and Grant Naylor.