It looks like it might be interesting. It seems like it'll be more of an analysis of real-world experiences, with interviews of the actual survivors.

Then again, I do like Bear Grylls as a TV personality and tend to enjoy what I've seen from him. Heck, I've even overcome my original criticisms to appreciate Man vs Wild.
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Victory awaits him who has everything in order — luck, people call it. Defeat is certain for him who has neglected to take the necessary precautions in time; this is called bad luck. Roald Amundsen