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Original run: 7 Sep 2007 – 27 Nov 2007
Country of origin: US
Network: Discovery Channel US
Watched by: 6 of 673 531 0%
Total running time: 1 day
Episode duration: 120 minutes
The countdown has begun for the 21st century's most heroic and potentially deadliest expedition. A manned mission to Mars has been the dream of scientists for decades. This series explores that dream and the challenges being faced by international space agencies and in laboratories.