Always a sign of relief to the viewer when announcements like this come up Wednesday, February 13 2008, 23:32 GMT (18:32 ET) By Neil Wilkes, Editor Heroes will return for a third season this autumn, it has been confirmed. NBC has promised a "major relaunch" of the show when the cult drama comes back following an absence of almost nine months. The network has also renewed freshman drama series Chuck and Life and will support both with high profile relaunch campaigns. "These pickups are a sign of our confidence in these quality series and will allow the respective producers to get a head start on their creative arc for next season," said Mark Graboff, co-chairman of NBC Entertainment. "As a result, they give us a lot to build on as we point to next year's schedule."