I'm guessing that the drop is in large part due to the new shows premiering on the same night last week. NY picked up viewers in the 2nd half, which indicates folks checked out the new shows, possibly found them lacking and went back to NY, or had intended from the beginning to check out both shows (since not everyone has TIVO or dvr! ) I personally doubt that D/L has much, if anything, to do with the drop. Quite frankly, I don't think the relationship is compelling enough to matter one way or the other to the casual viewer out there (as opposed to we folks here on the boards, but we're not casual viewers). Like the GSR on the Vegas CSI, I sincerely doubt that either "relationship" is even intriguing enough to turn the average viewer on or off to either show permanently. I'm beginning to think that viewers overall are simply getting all CSI'd out. The Vegas one has been around since 2000, and even though some viewers (including myself) think it has gone drastically downhill, many continue watching it simply because, as someone mentioned above, it's a bit of an institution by now, and unless you love Grey's Anatomy, there's not much else earth-shattering in that time slot. I think many folks thought from the very beginning that 3 CSI shows was probably 1 too many, and NY, coming in last of the bunch, didn't attract as many viewers right from the get-go. Overall, I think it went from "Forensics Rocks! Science and Lab Geeks are the New Rockstars!" in the first few years, to "Yeah, seen it already, I already know forensics/science solves crimes. Show me something new." Viewers are notoriously fickle, and I think they're ready for something new. But finally, I think everyone's previous posts have hit on improvements that can/should/could be made, but whether or not it would attract more viewers is hard to say.