Genius By Stephen Hawking, Episode 3, Why Are We Here?
directed by Iain Riddick, fl. 2010-2015; presented by Stephen Hawking, 1942-2018; produced by Jane Sayers and Iain Riddick, fl. 2010-2015, Bigger Bang, in Genius By Stephen Hawking, Episode 3 (Arlington, VA: Public Broadcasting Service, 2016), 54 mins
