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　　Call 911 is a television show that premiered as a Court TV special on August 21, 2007, and began airing as a series on July 30, 2008 on Investigation Discovery. The series began airing on Discovery Fit & Health in February 2011. Each episode documents real 911 calls from people in trouble to emergency dispatchers. Call 911 was initially picked up as a twenty-episode series,but ... (展开全部)