Season 5

1.In The Event of Catastrophe

2.The Green Machine

3.Blueprints in the Bloodstream

4.One Small Step

5.The Final Frontier

6.BaMiki BaNdula: Children of the Forest

7.Trial of Denton Cooley

8.The Great Wine Revolution

9.The Case of the Ancient Astronauts

10.The Mind Machines

11.Icarus' Children

12.Still Waters

13.Battle for the Acropolis

14.The Road to Happiness. : The Life and Times of Henry Ford

15.Laser : Light of the 21st Century

16.Insect Alternative

17.The Desert's Edge

18.The Tsetse Trap

19.Memories From Eden

20.A Whisper from Space

21.Alaska: The Closing Frontier