Victoria Coren hosts a special edition of the show as six celebrity brains try to deduce the hidden connections between things which, on the face of it, seem not to be connected at all.

The Treesome (Brian Sewell, Adam Hart-Davis and Grub Smith) lock intellectual brains with the Larks (Michael Bywater, Sir Andrew Motion and Stuart Maconie) as they try to work out what connects the Golden Gate Bridge and David Dickinson. Show less