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 Sean Lock and Stephen Mangan teaming up against Noel Fielding and Fay Ripley. The Brett Domino Trio are in Dictionary Corner with Susie Dent, while Rachel Riley looks after the numbers and letters.