In one of the Hardest, Quizziest episodes yet, four experts head into battle wielding nothing but their brains, armed with their expert knowledge in Sylvester Stallone, Leeds United, labyrinths, and...rats. Let's play, HARD!

It's the Battle of the Duds! Fan favourites Claus (expert topic: Charles Darwin), Kim (My Little Pony), Kevin (John Farnham), and David (The Human Eye) get one more crack at taking home Tom Gleeson's Big Brass Mug!