Tom Gleeson puts four contestants under the grill as they battle it out over the Big Brass Mug with their expert subjects: Aussie comedy series The Late Show, the island of Nauru, beekeeping, and musical instrument, the harp.

Tom Gleeson oversees another Hard Quiz battle for the Big Brass Mug. He welcomes alleged experts on the musical Come From Away, pop star Katy Perry, the human immune system and philosopher Rene Descartes!