Fast National ratings for Friday, November 20, 2009.
 
Although CBS still scored a comfortable overall win on Friday night, ABC's broadcast of "Shrek the Third" and a solid "20/20" performance helped get the network a split in the key demographic.
 
Among adults 18-49, ABC and CBS both averaged a 1.9 rating. NBC's 1.4 rating was third, followed by the 1.0 rating for FOX. The CW trailed in the key demographic with a 1.0 rating.
 
Overall, though, CBS averaged an estimated 8.03 million viewers to go with a 5.1 rating/9 share to win the night. NBC was second with a 4.3/8, nipping the 4.1/7 for ABC, but ABC averaged more viewers. FOX's 2.3/4 was fourth, with The CW trailing with a 1.1/2.
 
CBS started the night in first with a 5.4/9 for "Ghost Whisperer," which also claimed the hour in the 18-49 demo with a 2.0 rating. NBC's "Law & Order" was second with a 4.8/9. ABC's "Shrek the Third" had a 3.4/6 overall, but topped NBC in the key demo. FOX's "House" repeat was fourth. The CW's "Smallville" had a 1.6/3, averaging 2.45 million viewers, slightly down from recent airings.
 
At 9 p.m. CBS' "Medium" and NBC's "Dateline" both averaged a 5.0/9 (with CBS holding the advantage in both total viewers and the 18-49 demo). ABC's "Shrek the Third" was third overall with a 3.7/6, but averaged a 2.1 rating to win the key demo. FOX's "Bones" repeat had a 2.4/4 for fourth. The CW's "America's Next Top Model" finale repeat was fifth.
 
ABC won the 10 p.m. hour with a 5.3/10 for "20/20," also taking the 18-49 demo with a 1.8 rating. CBS' "Numb3rs" was second with a 5.1/9. NBC's "The Jay Leno Show" was steady in 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.