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25 Episodes 2008 - 2009
Episode 1
Thu, Feb 5, 200950 mins
Episode 2
Thu, Feb 26, 200950 mins
The diamond's rise from gemstone to a cutting edge material that is set to revolutionize electronics
Episode 3
Thu, Mar 5, 200950 mins
Episode 4
Mon, Mar 9, 200950 mins
Episode 5
Wed, Mar 11, 200944 mins
Episode 6
Thu, Mar 12, 200950 mins
Episode 7
Thu, Mar 12, 200950 mins
Episode 8
Sun, Dec 7, 200850 mins
Follow a basic explanation of what a black hole is an how it forms, this program explores what happen near and even inside a black hole based on current theories of gravitation. The great lengths scientists have to got to to test the theories are described.

Episode 9
Thu, Apr 2, 200950 mins
Episode 10
Thu, Apr 23, 200950 mins
Episode 11
Thu, May 7, 200950 mins
Episode 12
Thu, Jun 4, 200950 mins
Episode 13
Thu, Jun 11, 200950 mins
Episode 14
Thu, Jun 25, 200950 mins
Episode 15
Thu, Jul 2, 200950 mins
Secret World of Fireworks explores the closely held secrets, recipes, and techniques from the world of pyrotechnic showmen. National Geographic takes a behind the scenes look into this exclusive world with unique access from Zambelli Internationale of New Castle, Pennsylvania - Americas First Family of Fireworks - along with rocket scientists and chemists from Los Alamos, New Mexico.
Episode 16
Thu, Jul 9, 200950 mins
Episode 17
Thu, Jul 16, 200950 mins
Episode 18
Sun, Jul 19, 200950 mins
Episode 19
Sun, Aug 23, 200950 mins
Episode 20
Thu, Oct 22, 200944 mins
Episode 21
Thu, Nov 5, 200950 mins
Episode 22
Thu, Nov 12, 200950 mins
Follow the minute-by-minute aftermath of a hypothetical dirty bomb attack in a small New England city.
Episode 23
Thu, Dec 3, 200944 mins
Episode 24
Thu, Dec 10, 200944 mins
Episode 25
Thu, Dec 17, 200944 mins
France's Lascaux region is home to the famous caves decorated with drawings by prehistoric man. Scientists and historians have long though they represented the simple concerns of the people of that time: hunting and gathering, for example. Now, some scientists believe the drawings represent much more than that; they believe they show an advanced knowledge of the night skies and of the stars which moved through the skies.