Ratings: CBS Sweeps Thursday, Hour By Hour

Thursday's numbers, at a glance: 8 pm/ET Survivor, down 400K week-to-week, topped the hour with 12.87 million total viewers. Ugly Betty placed second with 8.2 mil (dipping 230 thou), followed by NBC's combo of Earl (dropping eight percent to 6.5 mil) and Kath & Kim (plunging 19 percent from its premiere, to six mil). Smallville, at 4.17 mil (up a hair), bested Hole in the Wall. 9 pm CSI dropped 18 percent from its premiere but still lorded over Grey's in total viewers (18.8 million to 14.6). This week, however, Grey's won in the demos. NBC's The Office (8.07 mil) dropped a mil, while Weekend Update Thursday (8.6 mil) declined 18 percent from its debut. Supernatural slipped a hair, to 3.06 mil. 10 pm Versus last week's dead heat, CBS' Eleventh Hour (12 mil, up 440K) this week passed ABC's Life on Mars (8.47 mil, plunging 26 percent from its premiere). ER (8.8. mil) said goodbye to not just Abby but also 450,000 of last week's viewers.