Season 7

1.The Elusive Illness

2.A is for Atom, B is for Bomb

3.Living Machines

4.Portrait of a Killer

5.Umealit: The Whale Hunters

6.The Safety Factor

7.A Mediterranean Prospect

8.Mr. Ludwig's Tropical Dreamland

9.The Pinks and the Blues

10.The Cancer Detectives of Lin Xian

11.The Sea Behind the Dunes

12.Do We Really Need the Rockes?

13.The Big IF

14.Voyager: Jupiter & Beyond

15.The Wizard Who Spat on the Floor

16.The Water Crisis

17.Moving Still

18.A Touch of Sensitivity

19.The Red Deer of Rhum

20.It's About Time