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After a man hits his head, he's left fighting a one-on-a-million medical mystery; a boy's wounded knee becomes home to an uninvited guest; a man unwittingly feeds his own intended killer.
First Air Date : Jul 01, 2009
Last Air date : Dec 17, 2017
Episode : 76 Episode
Season : 8 Season
Runtime: 45:14 minutes
Studio: Animal Planet
Country: United States of America