From Variety.com: "CW was the only net to improve upon its performance on the same night a year ago, getting solid performances from "Smallville" (1.7/5 in 18-49, 4.2 million viewers overall) and "Supernatural" (1.5/4 in 18-49, 3.5 million viewers overall)."
From TVGuide.com: "Supernatural was up nine percent, to 3.53 mil."