"The CW came in fourth in total viewers and adults 18-49 due to its very compatible dream team ofSmallville (2.57 million viewers; A18-49: 1.0/4) and Supernatural (2.24 million viewers; A18-49: 1.0/3). In comparison with last week, Smallville declined by 190,000 viewers and a tenth in adults 18-49 but Supernatural increased slightly by 9,000 viewers and held steady with adults 18-49."
Source: TVOverMind