via press note:
Versus last week's strong series premiere, the second episode of ARROW held steady in A18-34 (1.1/4) and A18-49 (1.3/4), and rose 20% in M18-34 (1.2/4) and 15% in M18-49 (1.5/5). ARROW held 84% of last week's premiere in total viewers (3.5M).
ARROW outrated NBC's comedies in the 8-9 pm hour in both A18-34 and A18-49.
ARROW tied for second in M18-34, and tied with FOX in M18-49 (1.5/5).
SUPERNATURAL was also even in key demos from last week, staying flat in A18-49 (1.0/3) and W18-34 (1.0/3), and off one tenth in A18-34 (0.9/3).
Live + 7 Day data isn't available yet for ARROW or SUPERNATURAL last week, but when Live + 3 Day DVR viewing is added in, ARROW increased 16% in total viewers from L+SD, and it also gained 24% in adults 18-34. With L+3 data, SUPERNATURAL gained 26% in total viewers and 32% in adults 18-34.