Primetime Ratings: CBS Survives Grey Victory to Win Thursday Night

Grey's Anatomy Tops CSI in Head-to-Head Battle

CBS edged ABC in the battle of the network primetime stars Thursday night.

ABC's Grey's Anatomy picked up where it left off last season, winning a head-to-head battle from 9 p.m.-10 p.m. with CSI with a an 8.7 rating/21 share in the 18-49 demo, the top-rated show of the night, versus CSI's 8/19, according to Nielsen overnight numbers.

But Without a Trace (4.8/13) nipped new ABC show Big Shots (4.7/13) from 10 p.m.-11 p.m., and Survivor solidly defeated ABC's Ugly Betty from 8 p.m/-9 p.m. with a 4.6/13 to Betty's 3.8/11.

NBC was a solid third at a 4.3/11, led by an hour’s worth of The Office at a 5.1/12 from 8 p.m.-9 p.m. Earl averaged a 3.7/11, its best numbers since February, NBC said.

Fox and The CW were left to divvy up the remaining ratings points, with Fox a distant fourth at a 1.9/5 for its reality lineup of Are You Smarter than a Fifth Grader and Don't Forget the Lyrics. The CW was fifth with a 1.4/4 for Smallville and a repeat of new show Reaper.