From Variety.com: "Fox did little with "Hole in the Wall" (1.4/4 in 18-49, 3.6 million viewers overall) or "Kitchen Nightmares" (1.4/3 in 18-49, 3.5 million viewers overall), while CW's "Smallville" remained solid at 8 (1.7/5 in 18-49, 4.1 million viewers overall) but "Supernatural" declined (1.2/3 in 18-49, 3.1 million viewers overall)."
From TVGuide.com: "Supernatural slipped a hair, to 3.06 mil."