Complex sentence: The original series, hosted by Summer Sanders, ran for four seasons from July 7,1997 to January 12,2000; the revival of the show, hosted by Jeff Sutphen, ran from June 11,2012 to July 16,2013.
Split into simpler sentences: The original series, hosted by Summer Sanders, ran for four seasons from July 7,1997 to January 12,2000. The revival of the show, hosted by Jeff Sutphen, ran from June 11,2012 to July 16,2013.