TV ratings: ‘Big Bang Theory’ wins the night; NBC No. 1 overall

CBS’ “The Big Bang Theory� won the night with 15.5-million viewers, according to Nielsen.

The sitcom was first in viewers overall and in the key 18-to-49-year-old demographic with a rating of 4.4.

“Scorpion,� which earned a rating of 2.5 in the key demo, was down 19%. With help from a “Big Bang Theory� rerun lead-in, the show averaged 11.8-million viewers.

“NCIS: LA� averaged 8.6 million viewers. With a rating of 1.6 in the key demo, it was down 16% from last week and hit its series low in ratings.

The network was second with a rating of 2.6 and 11.4-million viewers.

Meanwhile, NBC’s “The Voice� took second with a rating of 3.6 in the key demo. The show, though down 10% from last week, averaged about 12.3-million viewers.

Also on the network, “The Blacklist� earned a rating of 2.7 in the key demo. The third episode of the season stayed even with last week and averaged 10.1-million viewers.

The shows helped NBC elevate to No. 1 most-watched network with a rating of 3.3 in the key demo and 11.5-million viewers.

ABC’s “Dancing With the Stars� was the third-most-watched program of the night with 12.1-million viewers. It stayed even with last week with a rating of 1.8 in the key demo.

“Castle� averaged 9.6-million viewers but was down 14% from last week’s premiere with a rating of 1.9 in the key demo.

Fox’s “Gotham� tied for fifth with “Scorpion� in the key demo. Down 11% from last week, the show earned a rating of 2.5. It averaged 6.3-million viewers.

“Sleepy Hollow� stayed even with last week in the key demo with a rating of 1.7. It averaged 4.5-million viewers.

Fox was third-most-watched in the key demo with a rating of 2.1.

On CW, “The Originals� had a slow return. The show, down 22% from last fall’s premiere, earned a rating of 0.7 in the key demo and averaged 1.3-million viewers.

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