Episode dated 3 September 2014
- Episode aired Sep 3, 2014
- TV-14
- 22m
Stephen is joined by Randall Munroe, author of "What If?: Serious Scientific Answers to Absurd Hypothetical Questions."Stephen is joined by Randall Munroe, author of "What If?: Serious Scientific Answers to Absurd Hypothetical Questions."Stephen is joined by Randall Munroe, author of "What If?: Serious Scientific Answers to Absurd Hypothetical Questions."