Season 29
Episodes
1 Search for a Safe Cigarette Oct 2, 2001 
2 18 Ways to Make a Baby Oct 9, 2001 
3 Secrets of the Mind Oct 23, 2001 
4 Sex: Unknown Oct 30, 2001 
5 Russia's Nuclear Warriors Nov 6, 2001 
6 Bioterror Nov 13, 2001 
7 Life's Greatest Miracle Nov 20, 2001 
8 Methuselah Tree Dec 11, 2001 
9 Flying Casanovas Dec 25, 2001 
10 Death Star Jan 8, 2002 
11 Neanderthals on Trial Jan 22, 2002 12 Fireworks Jan 29, 2002 
13 Secrets, Lies, and Atomic Spies Feb 5, 2002 
14 The Missing Link Feb 26, 2002 
15 Shackleton's Voyage of Endurance Mar 26, 2002 
16 Why the Towers Fell Apr 30, 2002 
17 Fire Wars May 7, 2002