6.5 House
4.6 Big Bang Theory
4.4 Two and a Half Men
4.3 CSI Miami
4.1 Dancing With The Stars
3.5 How I Met Your Mother
3.2 Accidentally On Purpose
2.7 Heroes
2.3 Castle
1.8 The Jay Leno Show
1.2 One Tree Hill
1.1 Gossip Girl
* Fans have had it with "Heroes," which took a non-heroic distant fourth place, falling another 46% from its season-three opener.
17 million viewers: "Heroes" second-season premiere
10 million viewers: "Heroes" third-season premiere
6 million viewers: "Heroes" fourth-season premiere
* Last week "The Jay Leno Show" was the highest-rated Monday show on the big four networks. This week it was the lowest.
* "Big Bang Theory" is, at least for the moment, now TV's top sitcom, up last night 28% from its 2008 premiere
* "House," up 14% from its 2008 premiere, gave Fox its first-ever opening-night-of-the-fall-season win, according to the Hollywood Reporter.
* Weevil Navarro > Chuck Bass. CW darling "Gossip Girl" pulled 2.1 million total viewers last night, while the final season of the CW's "Veronica Mars" averaged 2.5 million viewers three seasons back.
* President Barack Obama's appearance on "Letterman" drew 7 million viewers, the biggest audience for "The Late Show" since Dave and Oprah patched things up on air four years ago.
