This is one of my favorite shows that I use to watch on the discover channel. Its exciting and educational. It was one of the few shows on discovery channel that I was always anticipating to watch. The only thing bad about this show is that there is a lack of episodes and the new episodes seems to fluctuate all the time, jumping from different seasons rather then following the guidelines setup for the show, but overall its one of the best shows I've watched and I'm very glad that this show is now downloadable on itunes. This is definately something everyone should check out.
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