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Boston is at the mercy of a blizzard and the morgue staff at the mercy of an unknown toxin. With bodies piling up, and the lights out, the race is on stop this invisible killer before too many more die.
First Air Date : Sep 24, 2001
Last Air date : May 16, 2007
Episode : 117 Episode
Season : 6 Season
Runtime: 26:14 minutes
Studio: NBC
Country: United States of America
Crew: Allan Arkush (Producer)
