Good Heavens, They're Atheists - The New York Times The ghost of Christopher Hitchens hovers disapprovingly over "The Unbelievers," a self-professed rock "n" roll tour film about science and reason that plays like a publicity stunt for its secular stars. Accompanying the respected scientists and atheists Richard Dawkins and Lawrence Krauss on a triple-continent series of public engagements, Gus Holwerda's unforgivably superficial documentary is too busy drooling over its subjects to flesh out their body of work. Whether debating Muslims in Canberra, Australia, or making rhetorical mincemeat of the archbishop of Sydney; bantering with Stephen Colbert in New York City; or holding forth at the 2012 Reason Rally in Washington, this genial tag team is photographed with the deference of star-struck teenagers. Train, cab and airplane journeys between locations are pointlessly recorded, as is Mr. Krauss's spell in a makeup chair and the vibrant hue of his pink sneakers - as though to underscore their wearer's nonconformity. Outspoken nonbelievers like Sarah Silverman and Ricky Gervais pop up occasionally to enliven this monotonous travelogue. But every time we're in danger of becoming immersed in either scientist's smoothly honed rebuttals of religion, we're hustled along to the next fan forum on the chords of a bizarrely rock-centric soundtrack. Rather than allow Mr. Dawkins to expand, say, on his optimistic view that religion is now "a wounded animal," Mr. Holwerda has constructed a film that merely resembles a promotional tour for Mr. Krauss's latest book. Too slight to persuade, "The Unbelievers" is also too poorly made to entertain. The rational roots of atheism deserve a much better movie than this.