Wednesday, 21:32 
Hard Quiz
Tom Gleeson has the questions. Do our experts have the answers? Tonight's topics include William Wallace, The Wizard of Oz, black holes and mammalian sperm. Play along with Hard Quiz!
Tom Gleeson has the questions. Do our experts have the answers? Tonight's topics include William Wallace, The Wizard of Oz, black holes and mammalian sperm. Play along with Hard Quiz!