S4 - E1Is There a God Particle? Mar. 20, 2013
S4 - E2When Does Life Begin? Jun. 05, 2013
S4 - E3Can We Survive the Death of the Sun? Jun. 12, 2013
S4 - E4How Do Aliens Think? Jun. 19, 2013
S4 - E5Will Sex Become Extinct? Jul. 03, 2013
S4 - E6Can Our Minds Be Hacked? Jun. 26, 2013
S4 - E7Are Robots the Future of Human Evolution? Jul. 10, 2013
S4 - E8Is Reality Real? Jul. 17, 2013
S4 - E9Do We Have Free Will? Jul. 24, 2013
S4 - E10Did God Create Evolution? Jul. 31, 2013