This night of disposable brilliance is the final face-off between top professional players that have grappled and gagged their way through three months of qualifying rounds. Using audience suggestions the fastest wits and the funniest twits in the country will invent instant characters, stories, songs sketches and at least one opera out of thin air with no safety net.
This year's Cranston Cup final features four teams battling for the crowning glory, with a Game of Thrones theme.