A team of three civil servants with a shared love of Radio 4's The Archers pit their wits against a trio of music lovers who between them perform or enjoy everything from pub rock to choral sung mass.

The Polymaths pool their disparate skills in chicken husbandry, musical theatre, and urban geography to challenge the brainpower of the Strategists, a team unified by their love of sophisticated strategy board games.

Three members of the Brighton and Hove (Actually) Gay Men's Chorus square up to a trio of postgraduates of Brasenose College, Oxford.

Three philosophy students pit their wisdom against a trio of Hitchhiker's Guide To The Galaxy fans.

Three neuroscientists hailing from Australia, South Africa, and Canada scrum down against the intellectual brawn of three rugby fans.

Three former flatmates and graduates of Exeter University pit their wits against a news producer, a civil servant, and an IT consultant who share a passion for fine food.

A team of insurance professionals face off against a trio of committed gamblers.

Three senior managers from a national bookstore face off against a team drawn together by their love of London's retro bowling alleys.

In the first of the quarter-finals, three fans of the Archers radio series take on the combined knowledge of three flatmates who all met up at Exeter University.

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.

In the third of the quarter-finals, three studying for their PhDs at Oxford set out to challenge the brainpower of the Strategists, a team unified by their love of sophisticated strategy board games.

In the last of the quarter-finals, three committed gamblers take their chances against a team unified by their love of ten-pin bowling.

In the first of the Semi Finals, three lovers of the pastoral world of Radio 4's The Archers face a team of confirmed Gamblers.

In the second semi-final, three fans of the Hitchhiker's Guide to the Galaxy lock horns with the cunning of the Strategists, a team bound by their love of obscure European board games.

In the series final, cunning and tactics combine with logic, recall, and tangential inspiration, as three committed Gamblers resist the temptation to take too many risks and the Strategists fight the impulse to err on the side of caution.