William Petersen’s departure from CSI brought the show’s numbers back to Earth. As a result, the Alphabet network had the best demos of the evening. Unfortunately, ABC’s lucky streak probably won’t last long. We’re now just weeks away from the premiere of Survivor: Tocantins.

8pm

• Approximately 10 million (2.9/8 in 18-49) welcomed Bones to its new Thursday time slot.
• NCIS* (2.2/6) pulled in 8.6 million.
• Ugly Betty (2.4/7) turned in 7.5 million.
• My Name is Earl (6.5 million, 2.6/8) was down 600,000; Kath & Kim (2.2/6) registered 4.9 million.
• Smallville (3.8 million, 1.6/4) was off 500,000.

9pm

• CSI (17.5 million, 4.9/12 in 18-49) plunged by 6.8 million.
• Grey’s Anatomy (14.3 million, 5.6/14 in 18-49) had the night’s best demos.
• The Office (8.7 million, 4.6/11) picked up 300,000.
• A second helping of Bones (7.5 million, 2.5/6) didn’t do as well as the first.
• 30 Rock (6.4 million, 3.2/8) lost 200,000.
• Supernatural (3 million, 1.3/3) remained steady.

10pm

• Eleventh Hour (12.3 million, 2.9/8 in 18-49) gave up 3.2 million.
• Private Practice (9.6 million, 3.6/10) had its best numbers of the season.
• ER (7.7 million, 3.1/8) added on 700,000.

*denotes repeat

(You can review last Thursday’s ratings here.)