The ingenious move to mix these two shows together came a few years ago when Jimmy Carr did it to celebrate Channel 4's 30th birthday. It's taken on a life of its own since then though, and has become a staple on the channel's schedule. Tonight sees team captains Sean Lock and Jon Richardson joined by Roisin Conaty and Nish Kumar, while Adam Buxton 'assists' the show's resident lexicographer Susie Dent in Dictionary Corner, and as usual, Rachel Riley looks after the numbers and letters.