I'd second that Broadcasting (and Cable) might be the closest option, and even then, that's only a partial list of markets up to that point.
Not to turn this into a list every market thread, but I believe KXAS, the NBC affiliate in Dallas, aired it on Saturday nights sporadically. My grandfather sent used to send me the TV listings from the Dallas Morning News, and I really wanna say it aired Saturdays at 7:00pm, if not even later than that.
Here in Norfolk, it aired on WTKR, the CBS affiliate, weekdays at 4.