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Brooke Burke (Dancing with the Stars), Neil Patrick Harris (How I Met Your Mother)

ABC / Craig Sjodin, Cliff Lipson/CBS

Monday was good to Dancing with the Stars and How I Met Your Mother. Not so much for Heroes.

The first part of Dancing's fall season finale was as big as the show's season opener: 21.3 million viewers, up 2.6 million from last week, Nielsen estimates said.

CBS' Mother scored with a season high 10.1 million, the network said. Its companion comedy, The Big Bang Theory, continued to blow up, clicking with a series-best 10.2 million.

On NBC, Heroes' heroes lost their powers. The show itself held steady, with 7.8 million viewers, about even with last week. On the down side, it ran a distant third among adults 18-49 from 9-10 p.m. 

The CW's One Tree Hill (2.2 million) has drawn bigger crowds, as has Fox's lineup, which didn't do much with Terminator: The Sarah Connor Chronicles (4.6 million) and Prison Break (5.2 million).