Heroes is an American science fiction television drama series created by Tim Kring that appeared on NBC for four seasons from September 25, 2006 through February 8, 2010. The series tells the stories of ordinary people who discover superhuman abilities, and how these abilities take effect in the characters' lives. The series emulates the aesthetic style and storytelling of American comic books, using multi-episode story arcs that build upon a larger, more encompassing arc.