It's Official: NBC Cancels <i>Heroes</i>

NBC ended months of speculation this afternoon by announcing the cancellation of Heroes after four seasons.

Although the fate of the superhero drama seemed sealed by plummeting ratings -- less than 5 million viewers tuned in for February's Season 4 finale, down from about 17 million in Season 2 -- there was an outside chance the show could be brought back for a 13-episode wrap-up or a two- or four-hour movie. But The Live Feed reports that the ratings decline, combined with high production costs and the number of hour-long shows on the network's fall schedule, dashed the possibility of a return.

Created by Tim Kring, Heroes premiered in September 2006, quickly becoming one of the most-discussed shows of the season. Despite numerous Emmy and Golden Globe nominations, the series steadily lost viewers and, some would argue, direction. Season 2 was cut short by the Writers Guild of America strike, and Heroes never seemed to regain its momentum.

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