Season 45 Episodes
1. Sex, Lies and Secrecy: Dissecting Hysterectomy
September 16th, 2004
2. Terrible Lizards of Oz
September 23rd, 2004
3. Selling Sickness
September 30th, 2004
4. Arktika: The Russian Dream That Failed
October 7th, 2004
5. Shipbreakers
October 14th, 2004
6. Clot Busters
October 21st, 2004
7. Killed By Care: Making Medicine Safe
October 28th, 2004
8. Tale of a Tiny Bird
November 4th, 2004
9. Apocalypse Cow: The Mad Cow Story (Part 1)
November 18th, 2004
10. Apocalypse Cow: The Mad Cow Story (Part 2)
November 25th, 2004
11. Bhopal: The Search for Justice
December 9th, 2004
12. Forbidden Forest
January 6th, 2005
13. Passion & Fury: The Emotional Brain: Anger
March 22nd, 2005
14. Passion & Fury: The Emotional Brain: Love
March 29th, 2005
15. Passion & Fury: The Emotional Brain: Fear
May 11th, 2005
16. Passion & Fury: The Emotional Brain: Happiness
May 18th, 2005
17. Fighting Fire with Fire
May 26th, 2005
18. Being Caribou: Part 1
June 2nd, 2005
19. Being Caribou: Part 2
June 9th, 2005
20. Whale Mission: The Last Giants
June 23rd, 2005
21. Whale Mission: Keepers of Memory
June 30th, 2005
22. Origins of Human Aggression: The Other Story
July 7th, 2005
23. Five Seasons
July 14th, 2005
