Taskmaster star Mark Watson is 'one of the most genuinely joyous presences in comedy' according to the Times. And that's just one of the compliments you can find if you put his name into Google. But what else comes up? It's a question Watson had to confront recently when his teenage son conducted just such a search. Among other things, he found - as a frequently asked question suggested by the algorithm - 'what is the point of Mark Watson'? In this final London performance of a tour which has delighted audiences across more than 150 shows in this country and Australia, one of Britain's best-loved comedians sets out to answer that question for himself.