Tom Gleeson tests four contestants on their expert topics to find the #HardQuiz Champ. Tonight's topics: Meccano, Alcatraz, R.E.M. and Indonesian political history. Play along at home.

Four experts match wits with each other while dodging witticisms from Tom Gleeson. This week's topics: The Big Bang Theory, the Jonestown cult, the rock band Queen, and the comic book adventures of Tintin.