"I kissed a girl ... and I liked it," Grey's Anatomy's Callie revealed to Private Practice's Addison.

Thursday's ratings rundown:

8 pm/ET
Survivor: Tocantins — The Brazilian Highlands premiered to an audience of 13.8 million total viewers, an increase of 900K over Gabon's opener and on par with Fans vs. Favorites. Placing a distant second, Ugly Betty was up a hair, to 7.44 mil. NBC's Earl (6.3 mil) gained 140 thou, but Kath & Kim (5.48 mil) kissed off 520K. Fox's broadcast of the NAACP Image Awards averaged 4.23 mil over its two-hour run.

9 pm
CSI topped the hour (if not the demos) with an audience of 17.78 million viewers, slipping 11 percent from its last fresh outing. Grey's Anatomy (or "Private Anatomy Hour 1") matched last week's audience of 15.07 mil. (Grab the tape, Izzy! Grab the tape!!)

In third, NBC's The Office (8.9 mil) gained 490K, while 30 Rock surged 20 percent week-to-week, hitting 7.62 mil.

10 pm
Private Practice/"Private Anatomy Hour 2" gained another 8 percent to deliver 14.15 million viewers — the spin-off's second-largest audience ever. Eleventh Hour settled for also-ran status with 11.04 mil (down 11 percent), followed by ER (which held steady at 7.25 mil).