Tom Gleeson dishes out the points and the put downs as four experts vie for the Big Brass Mug. Tonight's topics: Whales, world geography, Life of Pi and Sir Donald Bradman. See how you fare when the #HardQuiz buzzer sounds.

Tom Gleeson puts another four self-proclaimed experts through the wringer in Australia's smartest quiz show. Tonight's eclectic topics are Banksia's, Gilmore Girls, the American Civil War and the prog band Yes.