Talk about broadening your remit. Usually, C4's Big Fat Quizzes are merely satisfied with tackling year-sized slices of pop culture and current affairs. This time, though, Jimmy Carr rocks up with a panel game covering a whopping 100,000 years of human history. Guests including Mel Giedroyc, Richard Ayoade, Noel Fielding and Chelsea Peretti attempt to wring whimsy from historical happenings such as witch hunting, landmarks in the biological sciences and - nostalgia alert - 1970s board games.