Though down slightly from last week, CBS's "Big Bang Theory" took top numbers Thursday night, helping to push the network to a decisive overall win. Meanwhile, the network's "Person of Interest" hit a season high, and ABC's "Scandal" jumped to a series high, according to preliminary numbers.

And though ABC had a bad night, its recently shelved "Last Resort" jumped 20 percent from last week.

CBS took first place handily in both the advertiser-sought 18-49 demographic with a 3.4 rating/10 share and in total viewers with 13.9 million. With the exception of "The Big Bang Theory" at 8, which was down slightly from last week but still grabbed the night's top numbers with a 5.3/16 and 17.4 million total viewers,the network's primetime slate improved modestly over last week.

"Two and a Half Men" at 8:30 inched up to a 4.2/12 with 14.2 million total viewers, while "Person of Interest" grew 10 percent for a 3.2/9 and had 15 million total viewers.

The freshman series "Elementary" at 10 also grew slightly, taking a 2.3/6 with 10.9 million total viewers.

Fox took second place in ratings and third in total viewers with a 2.3/6 and 6.6 million. Both of its offerings declined slightly, starting with "The X Factor" at 8, which dropped off 11 percent to a 2.4/7 with 7.7 million total viewers. "Glee" the following hour took a minor hit in the demo, posting a 2.1/6 but inching up in total viewers to 5.5 million.

ABC came in third in ratings and second in total viewers with a 2.2/6 and 7.3 million, but "Last Resort" at 8 jumped 20 percent from last week for a 1.2/4 and took 5.5 million total viewers. "Grey's Anatomy" at 9 drew a 3.0/8 with 8.9 million total viewers. "Scandal" at 10 jumped 14 percent for a 2.5/7 and had 7.4 million total viewers.

NBC drew fourth place in ratings and total viewers with a 1.3/4 and 3.5 million. "30 Rock" at 8 dropped 15 percent to a 1.1/3 and had 3.3 million total viewers, while "Up All Night" at 8:30 posted a 1.2/3 and 2.9 million total viewers. "The Office" at 9 grew 11 percent for a 2.1/6 with 4.2 million total viewers, while "Parks and Recreation" at 9:30 inched up to a 1.5/4 and took 3.3 million total viewers.

"Rock Center With Brian Williams" at 10 grew 11 percent over last week, taking a 1.0/3 and taking 3.6 million total viewers.