Poptimists v LARPers

Victoria Coren Mitchell hosts the opening second-round match as the Poptimists take on the LARPers. The contestants must use patience, lateral thinking and sheer inspiration to make connections between four things that may appear at first not to be linked, with one set of clues consisting of Cadabra, Backrub, Quantum Computer Services, and Jerry and David's Guide to the World Wide Web.