Sezon 4
Bölümler
1 Is There a God Particle? 20 Mar 2013 
2 When Does Life Begin? 5 Haz 2013 
3 Can We Survive the Death of the Sun? 12 Haz 2013 
4 How Do Aliens Think? 19 Haz 2013 
5 Will Sex Become Extinct? 3 Tem 2013 
6 Can Our Minds Be Hacked? 26 Haz 2013 
7 Are Robots the Future of Human Evolution? 10 Tem 2013 
8 Is Reality Real? 17 Tem 2013 
9 Do We Have Free Will? 24 Tem 2013 
10 Did God Create Evolution? 31 Tem 2013