Genius By Stephen Hawking, Episode 5, What Are We?
directed by Iain Riddick, fl. 2010-2015; presented by Stephen Hawking, 1942-2018; produced by Jane Sayers, Iain Riddick, fl. 2010-2015 and Johanna Gibbon, fl. 2002-2016, Bigger Bang, in Genius By Stephen Hawking, Episode 5 (Arlington, VA: Public Broadcasting Service, 2016), 54 mins
