Ratings: Big Bang Theory wins Thursday - 10/19/2012

The Big Bang Theory had a 4.7 adult rating and 15.4 million viewers -- the #1 and most watched show on Thursday.

The Vampire Diaries had a 1.2 rating down 25% from last week. Beauty and the Beast had a 0.7 rating, down 42% from last week. (OK fine, the show is horrible.)

From TVbytheNumbers:

On CBS, The Big Bang Theory earned a 4.7, up 4% from last week's 4.5 adults 18-49 rating. Two and a Half Men scored a 4.0, up 14% from last week’s 3.5 adults 18-49 rating. Person Of Interest garnered a 2.8 adults 18-49 rating, down 7% from a 3.0 for its last original episode. Elementary scored a 2.3 among adults 18-49, down 8% from a 2.5 for its last original episode.

On ABC, Last Resort earned a 1.7 adults 18-49 rating up 6% from last week's 1.6 adults 18-49 rating. Grey's Anatomy notched a 3.3 adults 18-49 rating, down 13% from a 3.8 for its last new episode.

On FOX, the MLB Playoffs scored a preliminary 1.4 adults 18-49 rating from 8-11PM, though this will almost certainly be adjusted in the finals.

On the CW, The Vampire Diaries earned a 1.2 adults 18-49 rating, down 25% from last week's 1.6. Beauty And The Beast garnered a 0.7 adults 18-49 rating, down 42% from last week's 1.2.