" 'Heroes' has delivered exceptional ratings since its premiere, and we're even more impressed with the quality of the upcoming episodes," NBC Entertainment president Kevin Reilly said. In its first two airings, "Heroes" has averaged 13.5 million viewers and a 5.7 rating/14 share among adults 18-49, ranking as the No. 1 new series among adults 18-49 (tied with ABC's "Brothers and Sisters"). The ensemble drama, which chronicles the lives of ordinary people who discover they possess extraordinary abilities, is the top show in the Monday 9 p.m. slot in adults 18-49.

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