A team of three old university pals with a shared love of exotic foods and fine dining pit their wits against a trio of Ulstermen from Northern Ireland Court Service.
Three stalwarts of Camden music scene pit their wit and wisdom against a husband, wife and pal who share a love of geocaching, craze for treasure-hunting using GPS.
Three fantasy writers, captained by a man who has written for Doctor Who, lock horns with a trio of bridge players, each with post-grad qualifications from Oxford University.
In first of quarter-finals, three old chums from university days who share a passion for fine dining take on combined knowledge of three Oxford graduates with a love of bridge.
In second quarter-final, Wright family of mum, dad and daughter return to pit their wits against a trio of committed bloggers who met on TV gossip forum sites.
In last quarter-final, a family team featuring a patent lawyer, a graphic designer and a business analyst return to field of conflict to take their chances against a trio unified by their love of authentic cask-conditioned ales.
In first semi-final, three lovers of luxurious wines and exotic dishes set aside their shared passion to address challenge of combined wits of Wright family.
In series finale, cunning and tactics combine with logic, recall and tangential inspiration as three committed gourmands set aside their love of fine foods to concentrate on job in hand.
A special Children in Need episode of quiz show presented by Victoria Coren in which knowledge will only take you so far, as patience and lateral thinking are also vital.