Fast National ratings for Thursday, Oct. 22, 2009.
 
With CBS in a pre-Sweeps repeat cycle, ABC's "Grey's Anatomy" delivered a strong bounceback ratings and helped carry the network to Thursday night ratings wins in most measures.
 
Among adults 18-49, ABC had a 4.0 rating, topping the 3.3 rating for FOX and CBS' 3.0 rating in the key demographic. NBC was fourth with a 2.4 rating, leaving The CW in fifth with a 0.8 rating.
 
Overall, ABC averaged an estimated 11.49 million viewers to go with a 7.5 rating/12 share, nipping the 7.1/12 for CBS. FOX's 6.4/10 was a close third. NBC was a distant fourth with a 3.7/6. The CW's 1.4/2 trailed.
 
In the 8 p.m. hour, a heavily hyped episode of CBS' "Survivor: Samoa" got the expected bump, delivering a 7.7/12 and a 4.0 demo rating, both easily the best of the season. FOX was second with its coverage of the Angels-Yankees playoff game. ABC's "FlashForward" had an interesting week. On one hand, the serialized drama did a 6.2/10, solidly up from last week, but the series also had a 3.0 rating in the demo, down from last week and third for the hour. NBC's "Community" and "Parks and Recreation" had a 3.3/5 for fourth. The CW's repeat of "The Vampire Diaries" had a 1.5/2 for fifth.
 
"Grey's Anatomy" took control at 9 p.m. with a 9.6/15 and a 5.2 rating in the demo, both improved over last week. It helps that CBS had "CSI: Crime Scene Investigation" in a repeat, doing a 6.4/10. FOX's baseball coverage was close behind with a 6.3/10. NBC's "The Office" and "30 Rock" averaged a 4.5/7, with a 3.7 demo rating, good for second, with both comedies coming in higher than last week. The CW's "Supernatural" repeat was fifth.
 
A CBS repeat of "The Mentalist" won the 10 p.m. hour overall with a 7.3/12. ABC's "Private Practice" was second overall with a 6.7/11, but won the hour in the 18-49 demo. NBC's "The Jay Leno Show" was third.
 
All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change, particularly in the case of live events.