From Variety.com: ""Timeslot rival "Grey's Anatomy" (4.9/13, 13.6 million) of ABC was the top performer on the night in 18-49, while the Eye's "CSI" (3.6/9, 15.1 million) was first in overall viewers. Fox's "Fringe" (2.2/6, 6.0 million) and the CW's Supernatural (1.2/3, 2.6 million) rounded out the hour."
From TVGuide.com: "The Vampire Diaries (3.9 million viewers) posted its best numbers since its record-setting premiere, while Supernatural improved by 200,000 viewers to a total of 2.6 million."
Next week (Thursday, October 22nd) the series will air a rerun of the season premiere, "Sympathy for the Devil." Episode #5.07 will air on Thursday, October 29th.