TV Ratings: More Series Highs for 'Big Bang' and 'Scandal,' '1600 Penn' Opens OK

UPDATED: Just a week after record returns among adults 18-49 and in total viewers, CBS' "Big Bang" jumps again and hits a whopping 6.3 rating in the key demo.

CBS had another strong Thursday. Despite increased competition across all broadcast networks, The Big Bang Theory started the night with another series high in adults 18-49 and in total viewers. The series was up two-tenths of a point to a 6.3 rating in the key demo and pulled in 19.8 million viewers. Two and a Half Men (4.2 adults) was down from the previous week by seven percent. Person of Interest (3.3 adults), off just a tenth of a point, topped the 9 p.m. hour. And at 10 p.m., Elementary (2.4 adults) was down eight percent. The network averaged a 3.6 adults rating and 14.7 million viewers.

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Last Resort, airing one of its final episodes, was up two-tenths of a point to a 1.2 adults rating on ABC. Grey's Anatomy (3.1 adults) was also up two-tenths in its return. Scandal (2.8 adults) jumped 17 percent at 10 p.m. for a new record haul in the key demo, winning the hour. ABC averaged a 2.4 rating with adults 18-49 and 7.8 million viewers.

30 Rock (1.4 adult) matched its season high, moving up three-tenths of a point from its last original. An encore of the 1600 Penn pilot, sampled in December, pulled a 1.4 adults rating at 8:30 p.m. The Office (2.2 adults) was up a tenth of a point at 9 p.m. before the official debut of 1600 Penn. The new comedy, which brought in a 1.6 rating with adults 18-49, was up from the recent showing of Parks and Recreation but just shy of its season average. Rock Center with Brian Williams, up three-tenths of a point, was at a 1.1 rating in the demo. The network pulled a 1.5 in the demo and 3.9 million viewers.

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A new showing from Mobbed (1.2 adults) was up a tenth of a point from last Thursday on Fox. Averaged with an encore of Glee, Fox pulled a 0.9 adults rating and 2.7 million viewers.

The Critics Choice Awards earned a 0.6 adults rating and 1.9 million viewers on The CW. Those are the highest returns for the show since 2006, when it was last aired on The WB.

Univision had a 1.7 rating with adults 18-49 and 4.1 million viewers.