Heroes is an American science fiction television drama series created by Tim Kring, which premiered on NBC on September 25, 2006. 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 short, multi-episode story arcs that build upon a larger, more encompassing arc. The series is produced by Universal Media Studios in association with Tailwind Productions, and it is filmed primarily in Los Angeles, California.

Three complete seasons have aired, and the fourth premiered on September 21, 2009. The critically acclaimed first season's run of 23 episodes garnered an average of 14.3 million viewers in the United States, receiving the highest rating for any NBC drama premiere in five years. 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. Heroes has garnered a number of awards and nominations, including Primetime Emmy awards, Golden Globes, People's Choice Awards and British Academy Television Awards.

A digital-internet extension of the series, Heroes 360 Experience, later rebranded as Heroes Evolutions, was created to explore the Heroes universe and provides insight into the show's mythology. Other official Heroes media include magazines, action figures, tie-in and interactive websites, a mobile game, a novel, clothing and other merchandise. In the fall of 2008, NBC Digital Entertainment released a series of online content for the summer, including more original web content, wireless iTV interactivity, graphic novels available for mobile viewing and webisodes.

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