The Unbelievers (2013) is a Documentary film that follows scientists Richard Dawkins and Lawrence Krauss travel the globe promoting a scientific worldview and the rational questioning of religious belief. Currently, you can watch The Unbelievers on Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 6.5 out of 10 from 140 votes. Fans of documentary movies may also want to explore similar titles below.