There are one or more seasons of Heroes.
Heroes is an American psychological thriller science fiction television drama series created by Tim Kring that appeared on NBC for four seasons from September 25 , 2006 through February 8 , 2010 . Four complete seasons aired , ending on February 8 , 2010 . The second season of Heroes attracted an average of 13.1 million viewers in the U.S. , and marked NBC 's sole series among the top 20 ranked programs in total viewership for the 2007 -- 2008 season .