The Chase's Bradley Walsh left in hysterics again after Darragh Ennis makes cheeky comment Publish Date When it comes to getting the giggles, Bradley Walsh has had his fair share! But new episodes of The Chase means all-new questions, and yet again, the loveable host was left in hysterics this week after chaser Darragh Ennis made a cheeky comment about a question. The contestant and "The Menace" were asked the question: "Which woman won her Nobel Prize partly for discovering the structure of vitamin B12?"