Mega Disasters

Mega Disasters is an American documentary television series that originally aired from May 23, 2006 to July 2008 on The History Channel. Produced by Creative Differences, the program explores potential catastrophic threats to individual cities, countries, and the entire globe. The two "mega-disasters" of the 2004 Indian Ocean tsunami and Hurricane Katrina in 2005 inspired the series and provided a reference point for many of the episodes. Excepting only two shows devoted to man-made disasters, the threats explored can be divided into three general categories: meteorological, geological, and cosmic hazards.

7. Alien Infection

Could an alien infection cause an epidemic on earth? Some experts believe that spacecraft returning from Mars could bring back a harmful sample or comet dust falling into our atmosphere could cause pandemics. One astronomer believes that the 1918 flu pandemic, which killed between 50-100 million people, was one such outbreak and that another "infection" could decimate the world's population. Astrobiologists are now poised to bring Mars samples back to earth to examine them in a Bio 4 level safety lab. In a hypothetical future disaster scenario, track how comet dust would seed the earth with a virulent virus. Quarantine measures don't work and panic ensues.