William Petersen, <I>CSI</i> William Petersen, CSI

Ladies and gentlemen, the Thursday ratings recap:

8 pm/ET
While all the majors accommodated President Bush's farewell address, Smallville delivered 4.27 million total viewers, a slight uptick from its last fresh episode and its biggest audience since Nov. 6.

9 pm
Grissom's goodbye was watched by 24.25 million viewers, a 12 percent increase over CSI's last fresh episode and the procedural's largest audience since its 2007 season opener. Grey's Anatomy dipped six percent to fall shy of 13 mil. Placing third, The Office (8.35 mil) was down 450K while 30 Rock (6.6 mil) surged 26 percent. Supernatural, at 2.96 mil, slipped 11 percent from its last new episode. 

10 pm
Eleventh Hour did 15.5 mil, followed by Private Practice (8.66 mil, down 370 thou). ER dipped a bit to drop below seven mil.