The series includes extracts from interviews with various academic luminaries including Arthur Miller, Richard Dawkins, Steve Weinberg, Colin McGinn, Denys Turner, Pascal Boyer and Daniel Dennett. The series also includes many quotations from the works of atheists, agnostics and deists, all read by Bernard Hill. The program features an original percussion score by Evelyn Glennie.
The series consists of three 60-minute episodes:
A series of six supplementary programs was made from material that did not fit into the program; this was dubbed "The Atheism Tapes".