Hard Quiz — Episode 8: Nikola Tesla, Black Sabbath, Star Trek & the Piano

You are watching the episode Nikola Tesla, Black Sabbath, Star Trek & the Piano #SiblingRivalry - Does Chris know Nikola Tesla better than his brother Tim knows Black Sabbath? How will the bros go against Evie's Star Trek skills and Alison's piano proficiency? Tom Gleeson asks the tough questions.