The fiendishly difficult quiz show in which two teams of three contestants have to find the connection between seemingly unrelated clues, where patience and lateral thinking are as vital as knowledge.
A team of ex-psychology students take on three knitting enthusiasts.
Three crossword enthusiasts pits their wits against a team of alumni from Birkbeck College, London.
A team of county councillors from Wales take on three local government ombudsmen from England.
Three popular science writers face a team of travel writers.
Teams of scrabble enthusiasts from Scotland and the south of England take on each other.
Three London-based cycling friends pit their wits against a team of Welsh ramblers.
Three bankers take on a team made up of a librarian, a researcher, and a tax advisor.
Two teams of supporters of some form, face off against each other.
In the first quarter-final, returning teams of county councillors and popular science writers face each other.
Quarter-final.
Semi-final.
Final.
