Curtis Finch, Jr., Devin Velez, Ryan Seacrest Curtis Finch, Jr., Devin Velez, Ryan Seacrest

CBS led the way Thursday on an overall down night.

The Big Bang Theory drew 15.7 million viewers and a 4.5, falling a full point from its last original. Two and a Half Men (12.4 million, 3.3) dropped six-tenths, while Person of Interest (14.6 million, 2.9) was up a tenth and Elementary (11.5 million, 2.4) was flat.

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American Idol's first elimination episode (11.6 million, 3.0) hit a new low for a regularly scheduled episode, down six-tenths from last week. Glee (5.5 million, 2.0) slipped four-tenths.

Grey's Anatomy (8.1 million, 2.6), ABC's only new program of the night, also slid to an all-time low.

On NBC, Community (2.6 million, 1.0) hit a series low and The Office (3.5 million, 1.9) was down a tenth. Parks and Recreation (3 million, 1.6) and 1600 Penn (2.3 million, 1.0) both grew.

8 p.m.
CBS:
The Big Bang Theory 15.7 million (4.5); Two and a Half Men 12.4 million (3.3)
ABC: Shark Tank (R) 4.6 million (1.3)
Fox: American Idol 11.6 million (3.0)
NBC: Community 2.6 million (1.0); Parks and Recreation 3 million (1.6)
CW: The Vampire Diaries 2.5 million (1.1)

9 p.m.
CBS:
Person of Interest 14.6 million (2.9)
ABC: Grey's Anatomy 8.1 million (2.6)
Fox: Glee 5.5 million (2.0)
NBC: The Office 3.5 million (1.9); 1600 Penn 2.3 million (1.0)
CW: Beauty and the Beast 1.5 million (0.5)

10 p.m.
CBS:
Elementary 11.5 million (2.4)
ABC: Scandal (R) 4.3 million (1.2)
NBC: Law & Order: SVU (R) 3.7 million (0.9)